CN114447751B - Method for realizing definable Redberg atomic antenna with sounding integrated function - Google Patents
Method for realizing definable Redberg atomic antenna with sounding integrated function Download PDFInfo
- Publication number
- CN114447751B CN114447751B CN202111567030.7A CN202111567030A CN114447751B CN 114447751 B CN114447751 B CN 114447751B CN 202111567030 A CN202111567030 A CN 202111567030A CN 114447751 B CN114447751 B CN 114447751B
- Authority
- CN
- China
- Prior art keywords
- redberg
- different
- atomic
- electromagnetic
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000006870 function Effects 0.000 claims abstract description 74
- 238000004891 communication Methods 0.000 claims abstract description 38
- 238000005259 measurement Methods 0.000 claims abstract description 29
- 230000004044 response Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 19
- 238000005086 pumping Methods 0.000 claims abstract description 19
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 33
- 238000012545 processing Methods 0.000 claims description 26
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000010365 information processing Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 5
- 229910052792 caesium Inorganic materials 0.000 claims 2
- 230000035515 penetration Effects 0.000 claims 1
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 6
- 230000003993 interaction Effects 0.000 abstract description 4
- 235000014676 Phragmites communis Nutrition 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000003860 storage Methods 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000035945 sensitivity Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004471 energy level splitting Methods 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/094—Processes or apparatus for excitation, e.g. pumping using optical pumping by coherent light
- H01S3/094096—Multi-wavelength pumping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
- H01S3/1601—Solid materials characterised by an active (lasing) ion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/506—Multiwavelength transmitters
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a method for realizing a detection and sounding integrated function definable Redberg atomic antenna, which is characterized in that a Redberg state is prepared by utilizing the interaction of a multi-wavelength laser light field and an alkali metal energy level, the Redberg states with different response frequency bands exist in a single atomic medium through the accurate regulation and control of each frequency component of the multi-wavelength laser light field, the source tracing signal sources are traced by the response difference of the different Redberg states to different electromagnetic frequency bands, and multiplexing definition of various functions such as electromagnetic background measurement, radar signal reception, wireless communication reception and the like is realized based on microwave frequency division multiplexing. The invention realizes multiple functions multiplexing by utilizing a single atomic medium, multiple pumping wavelengths and multiple working frequency points, obscures the limit of application modes of the Redburg atomic antenna in different fields, realizes multiple functions of detection and communication by using a standardized integrated system, and forcefully promotes the practical progress of quantum precision measurement and novel wireless communication technology.
Description
Technical Field
The invention belongs to the interdisciplines of quantum precision measurement, microwave radar and wireless communication, in particular to a Redberg atomic antenna which has the multi-frequency-band parallel working capacity and can simultaneously realize multiple functions of electromagnetic background measurement, radar signal reception, wireless communication reception and the like, and particularly relates to a Redberg atomic antenna realizing method with a sounding integrated function and a Redberg atomic antenna system.
Background
An atomic state with a primary quantum number exceeding 20 is called a reed burg state. The distance between the outermost electron and the primordium of the alkali metal atom in the Redberg state is increased from the sub-nanometer level to the micrometer level and approaches the ionization limit, and the alkali metal atom is extremely sensitive to electromagnetic field signals. The Redberg state can be prepared through the interaction of a laser light field and an alkali metal energy level, energy level splitting is generated under the action of an electromagnetic field, and quantitative evaluation can be realized through the frequency shift or the light intensity of a signal light field.
The reed-burg atomic antenna has the following four advantages over conventional antennas. Firstly, the measurement result of the intensity of the microwave electromagnetic field can be directly traced to the basic constant of the international system of units; secondly, the geometric dimension of the antenna is irrelevant to the working frequency, and even a small-size Redburg atomic antenna can realize the receiving function of a tens of kilometers long-wave antenna; thirdly, by utilizing an atomic hyperfine energy level structure, the high-sensitivity receiving of the broadband tunable electromagnetic signal can be realized, the detection sensitivity is at least one order of magnitude higher than that of the traditional antenna, and the atomic hyperfine energy level structure has the potential of breaking through classical measurement bottleneck; and fourthly, the Redberg atomic antenna has extremely high frequency spectrum expandability, and can excite alkali metal atoms in the alkali metal atomic gas chamber to different Redberg states and respond to different microwave bands in a multi-wavelength pumping mode, thereby providing a physical basis for multiplexing various frequency bands and multiplexing various functions.
Disclosure of Invention
Based on the problems of the prior art, the invention aims to solve the technical problems: how to prepare the Redberg state by utilizing the interaction of a multi-wavelength laser light field and an alkali metal energy level, and each wavelength laser pumps a single atom air chamber to enable atoms in the single atom air chamber to be in different Redberg states and generate strongest responses to electromagnetic signals in different frequency bands; and utilizing a frequency band multiplexing technology to enable electromagnetic background measurement, a microwave radar and wireless communication to work in different electromagnetic wave bands which are not overlapped with each other, receiving broadband signals through a single Redburg atomic antenna, and inputting measurement results into different signal processing units so as to realize the functions of electromagnetic background measurement, radar echo reception, wireless communication signal reception and the like.
Aiming at the defects existing in the prior art, the invention aims to provide a method for realizing a detection and sounding integrated function definable Redberg atomic antenna, cesium atoms are pumped through a multi-wavelength laser light field to be in a Redberg state close to ionization, a one-to-one correspondence between laser wavelength and the Redberg state is established, different Redberg states respond to different microwave frequency bands, and each response band is overlapped to realize minimization and cover a larger microwave bandwidth; demodulating electromagnetic signals corresponding to the microwave bands through frequency shift or light intensity response conditions of different laser wavelengths; electromagnetic signals corresponding to different functions are respectively input into different signal processing units, so that electromagnetic background measurement, radar echo reception and wireless communication signal reception are realized.
Preferably, the source of the sounding integrated function definable attribute is reversely deduced according to the range of the working frequency point so as to realize the sounding integrated function definable attribute.
Preferably, the method specifically comprises the following steps:
s101, preparing a Redberg state, namely pumping cesium atoms through a multi-wavelength laser light field to enable the cesium atoms to be in a Redberg state close to ionization, establishing a one-to-one correspondence between laser wavelengths and the Redberg state, enabling different Redberg states to respond to different microwave frequency bands, enabling the response wave bands to be overlapped as little as possible and capable of covering larger microwave bandwidth;
s102, broadband electromagnetic signal measurement based on a Redberg atomic antenna is carried out, and electromagnetic signals corresponding to microwave bands are demodulated through frequency shift or light intensity response conditions of different laser wavelengths;
s103, realizing definable attributes of the sounding integrated function, respectively inputting electromagnetic signals corresponding to different functions into different signal processing units, and simultaneously realizing electromagnetic background measurement, radar echo receiving and wireless communication signal receiving functions.
Preferably, the method specifically comprises the following steps:
s201, pumping a cesium atom air chamber by utilizing multi-wavelength laser, preparing a plurality of cesium atoms in the cesium atom air chamber into different Redberg states, and enabling the Redberg atoms to receive various electromagnetic signals through accurate control of a pumping laser spectrum;
s202, electromagnetic signals of various sources and various frequency bands are simultaneously input into a detection integrated function definable Redberg atomic antenna, electromagnetic signals of different frequency bands are respectively induced by different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelength, and the frequency shift information is converted into light intensity information through demodulation means and is detected by a photoelectric detector;
s203, according to the information of the frequency point of the reverse push of the corresponding laser wavelength, extracting the parts belonging to the wireless communication signals and the microwave radar echo signals, respectively inputting the parts into a corresponding information processing module, and storing the rest parts according to the electromagnetic background signals and taking the rest parts as the standard for identifying the abnormal electromagnetic signals so as to realize the Redberg atomic antenna.
Preferably, the multi-wavelength laser or lasers produce multi-wavelength laser light that pumps cesium atoms and directs them to different reed burg states.
Preferably, the energy level of the Redberg states is related to the pump wavelength, and the Redberg atoms at different energy levels produce a highly sensitive response to microwaves in different wavebands.
A detection and transmission integrated function definable Redberg atomic antenna system comprises a multi-wavelength laser or a plurality of lasers, photoelectric detectors, an electromagnetic background measurement information module, a microwave radar signal processing module and a wireless communication signal processing module, wherein the multi-wavelength laser or the plurality of lasers generate multi-wavelength laser, cesium atoms are pumped and sent to different Redberg states, the Redberg states energy levels are related to pumping wavelengths, the Redberg atoms at different energy levels generate high-sensitivity responses to microwaves at different wave bands, electromagnetic signals of various sources and various frequency bands are simultaneously input into the detection and transmission integrated function definable Redberg atomic antenna, the electromagnetic signals at different frequency bands are respectively induced by the different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser light of corresponding wavelengths through a certain demodulation means, the frequency shift information is detected by the photoelectric detectors, parts belonging to the wireless communication signals and microwave radar echo signals are respectively extracted and input into the corresponding information processing modules according to the generated corresponding laser wavelength anti-pushing frequency point information, and the rest parts are stored as abnormal electromagnetic signal identification reference electromagnetic signals according to the electromagnetic background signals.
Preferably, alkali metal atoms such as cesium atoms are pumped by a multi-wavelength laser or a plurality of tunable lasers or nonlinear optical frequency comb light sources and excited to near-ionized reed burg states.
Preferably, a plurality of alkali metal atoms are present in each of the reed burg states to produce a maximum response to electromagnetic signals in different microwave bands, respectively.
Preferably, the Redberg state, the electromagnetic signal frequency band and even the signal source can be reversely deduced according to the wavelength of the generated corresponding laser; and respectively extracting the parts corresponding to the microwave radar echo and the wireless communication signal, inputting the parts into a microwave radar signal processing module and a wireless communication signal processing module, and storing the rest signals as electromagnetic background measurement results.
Compared with the prior art, the invention has the following advantages:
1. the invention provides a technical idea of preparing multiple Redberg states by pumping a single atomic gas chamber by a multi-wavelength laser, which not only can effectively break through the classical bottleneck of electromagnetic signal measurement sensitivity, but also can simultaneously respond to electromagnetic signals in multiple frequency bands in parallel, thereby laying a physical foundation for the function definable equipment.
2. The method has stronger expandability, namely, the Redberg atomic antenna array can be prepared in large batch by the processes of green light wave band nonlinear optical frequency comb, micro-nano waveguide integrated atomic air chamber and the like, and the inherent problems that equipment such as microwave radar, long wave antenna and the like has larger size and different frequency band receiver structures are difficult to be unified are solved.
3. The invention provides a technical thought that the detection and sounding integrated function can define the Redberg atomic antenna, the thought of a set of equipment and multiple functions is combined with the thought of software defined equipment with powerful hardware function and software modification and upgrading, and an important solution can be provided for compressing the number scale of the equipment and promoting the development of general technology.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed to be used in the embodiments of the present invention will be briefly described, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of the implementation principle of the sounding integrated function definable reed burg atomic antenna of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The invention provides an embodiment of a method for realizing a detection and sounding integrated function definable Redberg atomic antenna, which is characterized in that cesium atoms are pumped through a multi-wavelength laser light field to be in a Redberg state close to ionization, a one-to-one correspondence between laser wavelength and the Redberg state is established, different Redberg states respond to different microwave frequency bands, and each response band is overlapped to realize minimization and cover a larger microwave bandwidth; demodulating electromagnetic signals corresponding to the microwave bands through frequency shift or light intensity response conditions of different laser wavelengths; electromagnetic signals corresponding to different functions are respectively input into different signal processing units, so that electromagnetic background measurement, radar echo reception and wireless communication signal reception are realized.
In some embodiments, the source of the probe integrated function definable properties are back-deduced according to the range of operating frequency points.
The invention provides an embodiment of a method for realizing a detection and sounding integrated function definable Redberg atomic antenna, which comprises the following steps:
s101, preparing a Redberg state, namely pumping cesium atoms through a multi-wavelength laser light field to enable the cesium atoms to be in a Redberg state close to ionization, establishing a one-to-one correspondence between laser wavelengths and the Redberg state, enabling different Redberg states to respond to different microwave frequency bands, enabling the response wave bands to be overlapped as little as possible and capable of covering larger microwave bandwidth;
s102, broadband electromagnetic signal measurement based on a Redberg atomic antenna is carried out, and electromagnetic signals corresponding to microwave bands are demodulated through frequency shift or light intensity response conditions of different laser wavelengths;
s103, realizing definable attributes of the sounding integrated function, respectively inputting electromagnetic signals corresponding to different functions into different signal processing units, and simultaneously realizing electromagnetic background measurement, radar echo receiving and wireless communication signal receiving functions.
The invention provides an embodiment of a method for realizing a detection and sounding integrated function definable Redberg atomic antenna, which comprises the following steps:
s201, pumping a cesium atom air chamber by utilizing multi-wavelength laser, preparing a plurality of cesium atoms in the cesium atom air chamber into different Redberg states, and enabling the Redberg atoms to receive various electromagnetic signals through accurate control of a pumping laser spectrum;
s202, electromagnetic signals of various sources and various frequency bands are simultaneously input into a detection integrated function definable Redberg atomic antenna, electromagnetic signals of different frequency bands are respectively induced by different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelength, and the frequency shift information is converted into light intensity information through demodulation means and is detected by a photoelectric detector;
s203, according to the information of the frequency point of the reverse push of the corresponding laser wavelength, extracting the parts belonging to the wireless communication signals and the microwave radar echo signals, respectively inputting the parts into a corresponding information processing module, and storing the rest parts according to the electromagnetic background signals and taking the rest parts as the standard for identifying the abnormal electromagnetic signals so as to realize the Redberg atomic antenna.
In some embodiments, the multi-wavelength laser or lasers produce multi-wavelength laser light that pumps cesium atoms and emits them to different reed burg states.
In some embodiments, the Redberg state energy level is related to the pump wavelength, and the Redberg atoms at different energy levels produce a highly sensitive response to microwaves of different wavebands.
The invention provides an embodiment of a detection and sounding integrated function definable Redberg atom antenna system, which comprises a multi-wavelength laser or a plurality of lasers, photoelectric detectors, an electromagnetic background measurement information module, a microwave radar signal processing module and a wireless communication signal processing module, wherein the multi-wavelength laser or the plurality of lasers generate multi-wavelength laser, pump cesium atoms and send the cesium atoms to different Redberg states, the Redberg states energy levels are related to pumping wavelengths, the Redberg atoms at different energy levels generate high-sensitivity responses to microwaves at different wave bands, electromagnetic signals of various sources and various frequency bands are simultaneously input into the detection and sounding integrated function definable Redberg atom antenna, the electromagnetic signals at different frequency bands are respectively induced by the different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelengths, the frequency shift information can be converted into light intensity information through a certain demodulation means and are detected by the photoelectric detectors, the frequency shift information is reversely pushed according to the generated corresponding laser wavelengths, the frequency shift information is extracted from the radio communication signals and microwave radar echo signals, the radio communication signals are respectively input into corresponding information processing modules, the residual electromagnetic signals are stored as abnormal electromagnetic signals according to different background signals, and the abnormal electromagnetic signals are stored as reference electromagnetic signals.
In some embodiments, alkali metal atoms, such as cesium atoms, are pumped using a multi-wavelength laser or multiple tunable lasers or a nonlinear optical frequency comb light source to excite them to near ionized reed burg states.
In some embodiments, there are multiple alkali atoms present on each of the reed-burg states that produce the greatest response to electromagnetic signals in different microwave bands, respectively.
In some embodiments, the Redberg state, electromagnetic signal band, or even signal source can be reversed in terms of generating the corresponding laser wavelength; and respectively extracting the parts corresponding to the microwave radar echo and the wireless communication signal, inputting the parts into a microwave radar signal processing module and a wireless communication signal processing module, and storing the rest signals as electromagnetic background measurement results.
As shown in fig. 1, the embodiment provided by the invention shows the working principle of a sounding integrated function definable reed burg atomic antenna:
(1) The multi-wavelength laser or the multiple lasers shown in the figure generate multi-wavelength laser, pump cesium atoms and send the cesium atoms to different Redberg states, the Redberg states energy levels are related to the pumping wavelengths, the Redberg atoms at different energy levels generate high-sensitivity response to microwaves in different wave bands, and the respective Redberg state response wave bands are not overlapped with each other and respectively correspond to electromagnetic environment, radar and corresponding wave bands of wireless communication
(2) Electromagnetic signals of various sources and various frequency bands are simultaneously input into the detection integrated function definable Redberg atom antenna, and electromagnetic signals of different frequency bands are respectively induced by different Redberg atoms and reflected on frequency shifts or light intensities of lasers of different wavelengths.
(3) The electromagnetic signal information of each frequency band is acquired by utilizing a photoelectric detector, and is respectively input into an electromagnetic background measurement information module (namely various electromagnetic signals generated by space radiation or machine operation), a microwave radar module (namely echo signals generated when a microwave source in a Redberg atomic antenna emits signals and meets a target object) and a wireless communication signal (namely signals emitted by various wireless communication platforms), so that the precision and sensitivity performance indexes of various equipment for electromagnetic background measurement, microwave radar reception and wireless communication reception are improved, and the sounding integrated function of one set of equipment and multiple functions is realized, so that equipment entities can be defined.
The invention provides an embodiment of a method for realizing a Redberg atomic antenna with a sounding integrated function, which utilizes the interaction of a multi-wavelength laser light field and an alkali metal energy level to prepare a Redberg state, enables a plurality of Redberg states with different response frequency bands to exist in a single atomic medium through the accurate regulation and control of each frequency component of the multi-wavelength laser light field, utilizes the response difference of the different Redberg states to different electromagnetic frequency bands to trace to a source, and realizes multiplexing definition of various functions such as electromagnetic background measurement, radar signal reception, wireless communication reception and the like based on microwave frequency division multiplexing.
In some embodiments, the preparation of the reed burg states utilizes a multi-wavelength laser or a plurality of tunable lasers or a nonlinear optical frequency comb light source to pump alkali metal atoms such as cesium atoms and excite the alkali metal atoms to near ionized reed burg states, and a plurality of alkali metal atoms exist on each reed burg state to respectively generate maximum response to electromagnetic signals of different microwave bands. Specific details of the preparation of the Redberg state by the multi-wavelength laser are not limited, and various details such as the spectral parameters of the pump laser, the construction mode of an alkali metal atom air chamber, the alkali metal atom type and the like are not limited.
In some embodiments, the reed burg atom senses the electromagnetic signal and generates frequency drift in the receiving process of the broad-spectrum electromagnetic signal, and the corresponding relation between the output light intensity and the electromagnetic signal intensity can be established through an interferometry means, so that the detection precision and the sensitivity which can approach the limit of the hessian are realized. The system structure, atomic composition, pumping mode, detection mode, operating bandwidth, tuning range, device structure, system parameters, etc. are not limited.
In some embodiments, the function may define that atoms in different reed-burg states perceive electromagnetic signals in different frequency bands, where the response bandwidths of the reed-burg states do not overlap with each other as much as possible, and the number of reed-burg states is such that all electromagnetic signals can be perceived by less than one and more than two reed-burg states. The Redberg state, the electromagnetic signal frequency band and even the signal source can be reversely deduced according to the generated corresponding laser wavelength; and respectively extracting the parts corresponding to the microwave radar echo and the wireless communication signal, inputting the parts into a microwave radar signal processing module and a wireless communication signal processing module, and storing the rest signals as electromagnetic background measurement results. The system structure of the Redberg atomic antenna can be defined without limiting the response bandwidth, the identification accuracy and the function of frequency points of each Redberg state. On the basis of the present invention, the method of using a single reed-burg atomic antenna or array and performing different functions such as detection, communication, and detection by using a frequency band multiplexing mode is within the scope of the claims of the present invention. In addition, various functions are added on the basis of the invention, or various application scene adjustments are made on the basis of the function definable Redberg atomic antenna of the invention, which falls within the scope of the claims of the invention.
Compared with the prior art, the invention has the following advantages:
firstly, the invention provides a technical idea of preparing multiple Redberg states by pumping a single atomic gas chamber by a multi-wavelength laser, which not only can effectively break through the classical bottleneck of electromagnetic signal measurement sensitivity, but also can simultaneously respond to electromagnetic signals in multiple frequency bands in parallel, thereby laying a physical foundation for the function definable equipment.
And secondly, the method has stronger expandability, namely, the Redberg atomic antenna array can be prepared in a large scale through the processes of green light wave band nonlinear optical frequency comb, micro-nano waveguide integrated atomic air chamber and the like, and the inherent problems that equipment such as microwave radars, long wave antennas and the like are large in size, and different frequency band receiver structures are difficult to be unified are solved.
In addition, the invention provides the technical thought that the detection and sounding integrated function can define the Redberg atomic antenna, the thought of a set of equipment and multiple functions is combined with the thought of software defined equipment of powerful hardware function and software modification and upgrading, and an important solution can be provided for compressing the number scale of the equipment and promoting the development of general technology.
For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functions of each element may be implemented in one or more software and/or hardware elements when implemented in the present application.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (10)
1. A detection and penetration integrated function definable Redberg atomic antenna implementation method utilizes multi-wavelength laser to pump cesium atomic air chambers, a plurality of cesium atoms in the cesium atomic air chambers are prepared into different Redberg states, and the Redberg atoms receive various electromagnetic signals through accurate control of pumping laser spectrums; the mode of establishing the corresponding relation is as follows: electromagnetic signals of various sources and various frequency bands are simultaneously input into a detection integrated function definable Redberg atomic antenna, electromagnetic signals of different frequency bands are respectively induced by different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelength, and the frequency shift information is converted into light intensity information through demodulation means and detected by a photoelectric detector; the electromagnetic signals corresponding to different functions are respectively input into different signal processing units in the following modes: according to the information of the frequency point of the reverse push of the corresponding laser wavelength, the parts belonging to the wireless communication signals and the microwave radar echo signals are extracted and respectively input into the corresponding information processing modules, and the rest parts are stored according to the electromagnetic background signals and serve as the standard for identifying the abnormal electromagnetic signals so as to realize the Redberg atomic antenna.
2. The method for implementing a sounding-integrated function definable reed-burg atomic antenna according to claim 1, wherein the source of the sounding-integrated function definable attribute is back-deduced according to the range of the operating frequency points.
3. The method for implementing a sounding-integrated function definable reed-burg atomic antenna according to claim 1, comprising:
s101, preparing a Redberg state, namely pumping cesium atoms through a multi-wavelength laser light field to enable the cesium atoms to be in a Redberg state close to ionization, establishing a one-to-one correspondence between laser wavelengths and the Redberg state, enabling different Redberg states to respond to different microwave frequency bands, enabling the response wave bands to be overlapped as little as possible and capable of covering larger microwave bandwidth;
s102, broadband electromagnetic signal measurement based on a Redberg atomic antenna is carried out, and electromagnetic signals corresponding to microwave bands are demodulated through frequency shift or light intensity response conditions of different laser wavelengths;
s103, realizing definable attributes of the sounding integrated function, respectively inputting electromagnetic signals corresponding to different functions into different signal processing units, and simultaneously realizing electromagnetic background measurement, radar echo receiving and wireless communication signal receiving functions.
4. The method for implementing a sounding-integrated function definable reed-burg atomic antenna according to claim 1, comprising:
s201, pumping a cesium atom air chamber by utilizing multi-wavelength laser, preparing a plurality of cesium atoms in the cesium atom air chamber into different Redberg states, and enabling the Redberg atoms to receive various electromagnetic signals through accurate control of a pumping laser spectrum;
s202, electromagnetic signals of various sources and various frequency bands are simultaneously input into a detection integrated function definable Redberg atomic antenna, electromagnetic signals of different frequency bands are respectively induced by different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelength, and the frequency shift information is converted into light intensity information through demodulation means and is detected by a photoelectric detector;
s203, according to the information of the frequency point of the reverse push of the corresponding laser wavelength, extracting the parts belonging to the wireless communication signals and the microwave radar echo signals, respectively inputting the parts into a corresponding information processing module, and storing the rest parts according to the electromagnetic background signals and taking the rest parts as the standard for identifying the abnormal electromagnetic signals so as to realize the Redberg atomic antenna.
5. The method for implementing a sounding-integrated function definable reed-burg atomic antenna according to any one of claims 1-4, wherein the multi-wavelength laser or lasers generate multi-wavelength laser light, pump cesium atoms and excite them to different reed-burg states.
6. The method for implementing a sounding-integrated function definable reed-burg atomic antenna according to any one of claims 1-4, wherein the reed-burg state energy level is related to the pump wavelength, and the reed-burg atoms at different energy levels produce high-sensitivity response to microwaves in different wavebands.
7. A detection and transmission integrated function definable Redberg atomic antenna system comprises a multi-wavelength laser or a plurality of lasers, photoelectric detectors, an electromagnetic background measurement information module, a microwave radar signal processing module and a wireless communication signal processing module, wherein the multi-wavelength laser or the plurality of lasers generate multi-wavelength laser, cesium atoms are pumped and excited to different Redberg states, the Redberg states energy levels are related to pumping wavelengths, the Redberg atoms at different energy levels generate high-sensitivity responses to microwaves of different wave bands, electromagnetic signals of various sources and various frequency bands are simultaneously input into the detection and transmission integrated function definable Redberg atomic antenna, the electromagnetic signals of different frequency bands are respectively induced by the different Redberg atoms, the electromagnetic signals are converted into frequency shift information of laser of corresponding wavelengths, the frequency shift information is converted into light intensity information through demodulation and is detected by the photoelectric detectors, the frequency point information is reversely pushed according to the generated corresponding laser wavelength, the frequency point information is respectively extracted from the parts belonging to the wireless communication signals and the microwave radar echo signals, the parts are respectively input into the corresponding information processing modules, and the rest parts are stored according to the electromagnetic background signals and serve as references for identifying abnormal electromagnetic background signals.
8. The sounding-integrated function definable reed-burg atomic antenna system of claim 7, wherein the multi-wavelength laser or the tunable lasers or the nonlinear optical frequency comb light sources are used to pump alkali metal atoms such as cesium atoms to excite them to near ionized reed-burg states.
9. The sounding-integrated function definable reed-burg atomic antenna system of claim 7 or 8, wherein a plurality of alkali metal atoms are present on each reed-burg state, and each of the plurality of alkali metal atoms generates a maximum response to electromagnetic signals of different microwave bands.
10. The sounding integrated function definable reed-burg atomic antenna system of claim 7, capable of back-pushing reed-burg states, electromagnetic signal bands, or even signal sources according to the generation of corresponding laser wavelengths; and respectively extracting the parts corresponding to the microwave radar echo and the wireless communication signal, inputting the parts into a microwave radar signal processing module and a wireless communication signal processing module, and storing the rest signals as electromagnetic background measurement results.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567030.7A CN114447751B (en) | 2021-12-20 | 2021-12-20 | Method for realizing definable Redberg atomic antenna with sounding integrated function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567030.7A CN114447751B (en) | 2021-12-20 | 2021-12-20 | Method for realizing definable Redberg atomic antenna with sounding integrated function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114447751A CN114447751A (en) | 2022-05-06 |
| CN114447751B true CN114447751B (en) | 2024-01-02 |
Family
ID=81364132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111567030.7A Active CN114447751B (en) | 2021-12-20 | 2021-12-20 | Method for realizing definable Redberg atomic antenna with sounding integrated function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114447751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116192270B (en) * | 2023-04-26 | 2023-08-11 | 中国人民解放军军事科学院***工程研究院 | Cross-band frequency hopping communication method based on Redberg atomic antenna |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5115135A (en) * | 1989-04-21 | 1992-05-19 | Mitsubishi Denki Kabushiki Kaisha | Ion source |
| CN104880614A (en) * | 2015-06-09 | 2015-09-02 | 华南师范大学 | Microwave electric field intensity meter based on cold Rydberg atom interferometer and measuring method thereof |
| CN110488266A (en) * | 2019-07-08 | 2019-11-22 | 清远市天之衡传感科技有限公司 | Radar velocity measurement system and speed-measuring method based on the measurement of Rydberg atom superhet |
| CN110488265A (en) * | 2019-07-08 | 2019-11-22 | 清远市天之衡传感科技有限公司 | Radar velocity measurement system and method based on the transparent effect of Rydberg atom electromagnetically induced |
| CN113472454A (en) * | 2021-06-29 | 2021-10-01 | 军事科学院***工程研究院网络信息研究所 | Quantum sensing networking method based on channel aliasing entanglement light source |
| CN114430566A (en) * | 2021-11-29 | 2022-05-03 | 军事科学院***工程研究院网络信息研究所 | Wireless communication network guarantee method based on Reedberg atomic antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080304522A1 (en) * | 2006-04-04 | 2008-12-11 | Mills Randell L | Catalyst laser |
| US11002777B2 (en) * | 2019-01-23 | 2021-05-11 | ColdQuanta, Inc. | Microwave sensor using rydberg particles |
-
2021
- 2021-12-20 CN CN202111567030.7A patent/CN114447751B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5115135A (en) * | 1989-04-21 | 1992-05-19 | Mitsubishi Denki Kabushiki Kaisha | Ion source |
| CN104880614A (en) * | 2015-06-09 | 2015-09-02 | 华南师范大学 | Microwave electric field intensity meter based on cold Rydberg atom interferometer and measuring method thereof |
| CN110488266A (en) * | 2019-07-08 | 2019-11-22 | 清远市天之衡传感科技有限公司 | Radar velocity measurement system and speed-measuring method based on the measurement of Rydberg atom superhet |
| CN110488265A (en) * | 2019-07-08 | 2019-11-22 | 清远市天之衡传感科技有限公司 | Radar velocity measurement system and method based on the transparent effect of Rydberg atom electromagnetically induced |
| CN113472454A (en) * | 2021-06-29 | 2021-10-01 | 军事科学院***工程研究院网络信息研究所 | Quantum sensing networking method based on channel aliasing entanglement light source |
| CN114430566A (en) * | 2021-11-29 | 2022-05-03 | 军事科学院***工程研究院网络信息研究所 | Wireless communication network guarantee method based on Reedberg atomic antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114447751A (en) | 2022-05-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Olivari et al. | Cosmological parameter forecasts for H i intensity mapping experiments using the angular power spectrum | |
| CN114447751B (en) | Method for realizing definable Redberg atomic antenna with sounding integrated function | |
| CN114460377A (en) | Broadband wireless signal receiving method based on Reedberg atoms | |
| US2417807A (en) | Radio beacon | |
| CN106134105A (en) | Method and system for control signal phase place | |
| CN104316090A (en) | Temperature self-compensation high-resolution high-frequency demodulation system and method for fiber bragg grating | |
| CA2732685A1 (en) | System and method for magnitude and phase retrieval by path modulation | |
| Wu et al. | Entanglement-assisted multi-aperture pulse-compression radar for angle resolving detection | |
| US8296106B2 (en) | Apparatus, method and computer-readable storage medium for processing a signal in a spectrometer system | |
| CN114430566B (en) | Wireless communication network guaranteeing method based on Redberg atomic antenna | |
| CN114459589B (en) | Underwater acoustic signal detection method based on Redberg atomic radar | |
| CN116192270B (en) | Cross-band frequency hopping communication method based on Redberg atomic antenna | |
| CN114448513B (en) | Communication network physical interface realization method and system based on Redberg atoms | |
| CN114441852A (en) | Microwave photon electromagnetic spectrum sensing method based on tunable rydberg antenna | |
| CN116318420B (en) | Cross-band frequency hopping communication method based on Redberg atomic antenna | |
| CN112799047A (en) | Distance measurement radar system and method based on atomic receiver | |
| CN114460367A (en) | Microwave photon electromagnetic spectrum sensing method based on tunable correlation measurement array | |
| US20210041532A1 (en) | Object identification apparatus, object identification method, and object identification program | |
| Morozov et al. | Instantaneous frequency measurements of microwave signal with serial amplitude-phase modulation conversion of optical carrier | |
| CN114337811B (en) | Microwave frequency measurement method based on double optical frequency comb and Fabry-Perot filter | |
| Ryzhova et al. | Fiber-Optic System for Control of the Output Frequency of the Voltage-Controlled Generator on the Radar Antenna | |
| CN114302401B (en) | Wireless signal identification method based on distributed type Redberg antenna | |
| EP4184184B1 (en) | Measurement system and method for analyzing rf signals | |
| Setov et al. | Calibration methods for absolute measurements at the Irkutsk incoherent scatter radar | |
| Chen et al. | Research on robot positioning algorithm based on dual frequency continuous wave |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |