CN106602394A - Resonant cavity system formed by dynamic fiber grating and fiber bragg grating - Google Patents
Resonant cavity system formed by dynamic fiber grating and fiber bragg grating Download PDFInfo
- Publication number
- CN106602394A CN106602394A CN201710043134.5A CN201710043134A CN106602394A CN 106602394 A CN106602394 A CN 106602394A CN 201710043134 A CN201710043134 A CN 201710043134A CN 106602394 A CN106602394 A CN 106602394A
- Authority
- CN
- China
- Prior art keywords
- grating
- signal
- optical
- bragg
- cavity
- 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.)
- Granted
Links
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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/067—Fibre lasers
- H01S3/0675—Resonators including a grating structure, e.g. distributed Bragg reflectors [DBR] or distributed feedback [DFB] fibre lasers
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
- H01S3/08009—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection using a diffraction grating
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08013—Resonator comprising a fibre, e.g. for modifying dispersion or repetition rate
-
- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/08—Construction or shape of optical resonators or components thereof
- H01S3/08018—Mode suppression
- H01S3/08022—Longitudinal modes
- H01S3/08031—Single-mode emission
- H01S3/08036—Single-mode emission using intracavity dispersive, polarising or birefringent elements
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Abstract
The invention, which belongs to the technical field of photoelectron, relates to a resonant cavity system formed by a dynamic fiber grating and a fiber bragg grating. The system is composed of an F-P chamber (4), a signal processing system (5), an incoherent pump light source (1), a signal light source (2) and a wavelength division multiplexer (3). On the basis of active adjustment of transmission and reflection characteristics of the dynamic fiber grating and fiber bragg grating, symmetry of the output characteristics of the two gratings can be improved effectively; parameters like the central wavelength, mode space, and spectral line width can be adjusted; the system is easy to process and can be used flexibly; and the system has important application values in terms of refractive index sensing, narrowband filter, optical signal differential operation, and multi-channel optical storage.
Description
Technical field
The invention belongs to photoelectron technical field, more particularly to a kind of optical fibre device, can apply to fiber optic communication field,
For the calculus computing of optical signal, dispersion compensation or narrow band filter, and Fibre Optical Sensor, the aspect such as multichannel optical storage.
Background technology
Fabry-Perot (F-P) chamber of a pair of optical fiber Bragg raster compositions, in optical filter, sensor and laser of narrowband
The aspects such as device have many important using values.Fiber grating resonator cavity is utilized for example on biochip, Dan Sheng can be measured
The refractive index of life cell.Have cell and it is acellular two kinds in the case of, when cell peripheral buffer changes, it will cause humorous
The chamber transmitted spectrum that shakes changes, so that it is determined that the effective refractive index and effective thickness of cell.Again for example in quantum optices field,
The resonance and off-resonance tunnel-effect of F-P cavity barrier structure are constituted by Double fiber Bragg gratings using light pulse, it is possible to achieve
The super slow or ultrafast propagation of light wave, or even its group delay is zero, realizes the storage of light pulse.It is based on different applications, existing
The making of fiber grating resonator cavity generally has two kinds of ways, the Bragg gratings for 1. writing a pair on optical fiber, separate one section away from
From and alignment form Fabry-Perot (F-P) resonator cavity.2. directly write on optical fiber using methods such as the ultraviolet interference of light
Bragg gratings pair.By selecting the suitable grating length in two ends, the chamber length between refractive index modulation depth, and two gratings etc.
Parameter is controlling the output spectrum characteristic of F-P cavity.The first structure is easy to unicellular imprison in resonator cavity, but is relatively difficult to add
The duplicate Bragg gratings of work two, so as to be unfavorable for obtaining excellent resonator cavity characteristic.Second structure be easy to it is existing
Optical fibre device access, but also due to the asymmetry problem of Bragg gratings pair, is unfavorable for making effective resonator cavity.
The content of the invention
The technical problem to be solved in the present invention is that the fiber grating resonator cavity for overcoming prior art makes difficult problem, is carried
It is easy to the F-P resonant cavity system being made up of Dynamic Optical Fiber grating and optical fiber Bragg raster that make, can easily be accommodated for a kind of.
The technical problem of the present invention is solved by the following technical programs：
The resonance cavity system that a kind of Dynamic Optical Fiber grating is constituted with optical fiber Bragg raster, its structure have F-P cavity 4 and signal
Processing system 5, it is characterised in that structure also has incoherent pump light source 1, signal optical source 2 and wavelength division multiplexer 3.Wherein F-P cavity 4
Structure be, a segment length be L1Er-doped fiber and a segment length be L2One segment length of Bragg fiber gratings sandwich be
The free clearance or ordinary optic fibre of L；Wherein incoherent pump light source 1, signal optical source 2 are defeated with two of wavelength division multiplexer 3 respectively
Enter end to be connected, the outfan of wavelength division multiplexer 3 is connected with the Er-doped fiber end of F-P cavity 4, the Bragg fiber gratings end of F-P cavity 4
It is connected with signal processing system 5.
In the resonance cavity system of a kind of Dynamic Optical Fiber grating and Bragg optical grating constitutions of the present invention, described signal optical source 2
Can be continuous signal light source or time varying signal light source；Described time varying signal light-source structure is, continuous light laser 21 it is defeated
Go out to terminate the input of optoisolator 22, the output of optoisolator 22 terminates the optical signal input of electro-optic phase modulator 23,
Functional generator 24 connects the signal of telecommunication trigger input end of electro-optic phase modulator 23, and the output termination of electro-optic phase modulator 23 is inclined
Shake the input of controller 25, the outfan of the outfan of Polarization Controller 25 as described time varying signal light source.
In the resonance cavity system of a kind of Dynamic Optical Fiber grating and Bragg optical grating constitutions of the present invention, described signal processing
System 5 is spectrogrph or the oscillograph with electrooptical device.
In the resonance cavity system of a kind of Dynamic Optical Fiber grating and Bragg optical grating constitutions of the present invention, mixing for F-P cavity 4 is constituted
Erbium fiber lengths L1It is preferred that length L of 50cm, Bragg fiber grating2It is preferred that 1cm, Er-doped fiber and Bragg fiber gratings from
By the preferred 20cm of length L in gap or ordinary optic fibre.
In the resonance cavity system of a kind of Dynamic Optical Fiber grating and Bragg optical grating constitutions of the present invention, described incoherent pump
The wavelength preferred 980nm or 1480nm of Pu light source 1, the preferred 1550nm of wavelength of signal optical source 2, are constituted used by F-P cavity 4
The preferred 1550nm of wavelength of Bragg fiber gratings.
When signal optical source uses time varying signal light source, F-P cavity device according to the present invention can do the storage of time signal
Or calculus computing application.Continuous laser beam is admitted to electro-optic phase modulator, the piezo controller of electro-optic phase modulator with
Functional generator is connected, and can cause and change over waveform, and for example square-wave signal produces controllable phase step.Experimentally, it is
Realize that spatial modulation reaches perfect standing wave waveform, π phase shifts are produced using electro-optic phase modulator.The effect of optoisolator is to make
Incoming signal field is propagated in one direction, and the effect of Polarization Controller is to adjust the polarization direction of incident illumination and by Bragg gratings
The angle of the polarization direction of the light component propagated in reverse direction of reflection.
The present invention is using Er-doped fiber dynamic raster and Bragg optical grating constitution F-P cavity gratings pair.The signal field of fl transmissionAnd it is through the component of the reverse transfer of the reflection generation of Bragg gratingsWithIt is L in length1Er-doped
Stationary field is formed in optical fiber (EDF), under the auxiliary that incoherent pump light source 1 provides pump field, to refractive index in Er-doped fiber
Real part and imaginary part generate periodic modulation spatially, define the adjustable grating of dynamic.Free space of the length for L
Or ordinary optic fibre, it is the sensitive sensitive zones of device, the size of L also determines the bandwidth and mode spacing of spectrum, by selecting
The output characteristics of dynamic raster is L with length2Bragg Characteristics of Fiber Bragg Gratings concordance, the F-P of dynamic-tuning is obtained
Chamber.
The present invention produces the energy diagram of dynamic erbium-doped nonlinear fiber grating system as shown in figure 4, energy level | and 1>、|2>With | 3>Respectively
Correspondence Er3+Ion4I15/2,4I13/2With4I11/2Energy level, the pump field Λ produced by incoherent pump light source 1 drive | and 1>Arrive | 3>
Energy level transition.Signal field drives | and 1>Arrive | 2>Energy level transition, described signal field is by the direction of propagation in Er-doped fiber
Two components of contrary signal fieldWithThe stationary field of composition, its angular frequency are ωp.In order to obtain optimum transmission or
The resonance line of reflectance, the intensity of probe field should select to be close to but less than Er-doped fiber saturated absorption intensity, pumping field intensity
Spend and should be higher than that the fine threshold intensity for amplifying of erbium, and improve with Er-doped fiber doping content and length, it is corresponding to increase to obtain most
Good gain.The size of F-P cavity length, determines adjacent resonance line spacing and spectral line reduced width, can be according to mode spacing
Need to select suitable chamber long.According to transfer matrix method, the absorbance and reflectivity spectral of designed F-P cavity can be obtained.
In order to overcome usual dynamic raster reflectance it is relatively low, and Bragg optical grating reflections rate mismatch, be unfavorable for forming F-P
The shortcoming of formation, present invention uses incoherent pump light source, makes the corresponding upper and lower energy level of transition that signal field drives produce one
Fixed population inversion, reaching increases the purpose of dynamic raster reflectance and absorbance.With traditional Bragg gratings to generation
F-P cavity is compared, and the parameter dynamic such as the centre wavelength of resonator cavity according to the present invention, mode spacing, line width is adjustable.
To sum up, the present invention has following beneficial effect：
1st, the present invention adopts Dynamic Optical Fiber grating and the transmission of Bragg fiber gratings, the active of reflection characteristic to adjust, effectively
Improve the symmetry of the output characteristics of two gratings.
2nd, the mechanism of action of the Dynamic Optical Fiber grating that the present invention is adopted actively may be selected, according to the task needs for being completed,
The structure for a segment distance being separated with fiber grating or being connected with optical fiber is may be designed to respectively, improves the flexible of this device application
Property.
3rd, the chamber length of resonator cavity of the invention is several times of Bragg fiber gratings length used or more, in resonator cavity
The parameter dynamic such as cardiac wave length, mode spacing, line width is adjustable, and is more readily processed.
Description of the drawings
Fig. 1 is the population structure block diagram of the present invention.
Fig. 2 is the structural representation of the time varying signal light source described in this.
Fig. 3 is the grating of F-P cavity according to the present invention 4 to element structure schematic diagram.
Fig. 4 is the energy diagram that the present invention operationally produces dynamic erbium-doped nonlinear fiber grating system.
Fig. 5 is the Optical transmission spectrum figure of the F-P cavity obtained in embodiment 1.
Specific embodiment
1 overall structure of embodiment
Fig. 1 provides the population structure block diagram of the present invention, and in Fig. 1,1 is incoherent pump light source, and 2 is signal optical source, and 3 is ripple
Division multiplexer, 4 is F-P cavity, and 5 is signal processing system.A kind of Dynamic Optical Fiber grating of the present invention is humorous with Bragg optical grating constitutions
The overall structure of chamber system of shaking is, incoherent pump light source 1, signal optical source 2 two input phases respectively with wavelength division multiplexer 3
Even, the outfan of wavelength division multiplexer 3 is connected with the Er-doped fiber end of F-P cavity 4, the Bragg fiber gratings end of F-P cavity 4 and signal
Processing system 5 is connected.
Wherein, described F-P cavity 4 be by a segment length be L1Er-doped fiber and a segment length be L2Bragg optical fiber light
One segment length of grid sandwich is constituted for the free clearance or ordinary optic fibre of L.
The structure of 2 time varying signal light source of embodiment
Fig. 2 provides the structure of time varying signal light source, and in Fig. 2,21 is continuous light laser, and 22 is optoisolator, and 23 are electricity
Optical phase modulator, 24 is functional generator, and 25 is Polarization Controller.Time varying signal light-source structure is：Continuous light laser 21
Output termination optoisolator 22 input, optoisolator 22 output termination electro-optic phase modulator 23 optical signal input
End, functional generator 24 connect the signal of telecommunication trigger input end of electro-optic phase modulator 23, the outfan of electro-optic phase modulator 23
Connect the input of Polarization Controller 25, the outfan of the outfan of Polarization Controller 25 as described time varying signal light source.
The grating in embodiment 3F-P chamber 4 is to element structure
Fig. 3 provides the structure of the grating to component of F-P cavity 4, and in Fig. 3, a segment length is L1Er-doped fiber (EDF) and
Segment length is L2One segment length of Bragg fiber gratings (FBG) sandwich for L (L is also F-P cavity length) free clearance or general
Thang-kng is fine, constitutes the F-P cavity 4 of the present invention.
4 specific works situation of embodiment
According to embodiment 1 and embodiment 3, Er80-4/125 of the Er-doped fiber using Thorlabs companies, its doping content
For 4.8 × 1025m-3, length L1=50cm, Bragg fiber grating selective refraction rate modulation depth is 1.6 × 10-4High reflection
Rate grating, its length are L2=1cm, the long L=20cm of F-P cavity.Probe field mid frequency selects Er3+Ion4I15/2With4I13/2
The resonant frequency of energy level, corresponding wavelength are 1.55 μm, and incoherent pump wavelength selects 980nm.
According to these parameters, the Optical transmission spectrum of the F-P cavity obtained using transfer matrix method, as shown in Figure 5.Wherein 3
Bar solid line corresponds to pumping rate parameter for Λ=2500Hz, and signal field Rabi frequency is respectively 1.0 × 107Hz(a1)、1.5×107Hz
(b1)、2.0×107Hz(c1).3 dotted line correspondence signal field Rabi frequency is 1.5 × 107Hz, pumping rate respectively Λ=
500Hz (a2), Λ=1500Hz (b2), Λ=3000Hz (c2).From fig. 5, it can be seen that the F-P cavity obtained using the present invention
The live width of Optical transmission spectrum is very narrow, and dynamic is adjustable, and in refractive index sensing, narrow band filter, differentiating for optical signal are more
The aspects such as passage optical storage have important using value.
Claims (5)
1. the resonance cavity system that a kind of Dynamic Optical Fiber grating is constituted with optical fiber Bragg raster, its structure have F-P cavity (4) and signal
Processing system (5), it is characterised in that structure also has incoherent pump light source (1), signal optical source (2) and wavelength division multiplexer (3)；Its
The structure of middle F-P cavity (4) is that a segment length is L1Er-doped fiber and a segment length be L2Bragg fiber grating sandwich
Free clearance or ordinary optic fibre of one segment length for L；Wherein incoherent pump light source (1), signal optical source (2) are multiple with wavelength-division respectively
It is connected with two inputs of device (3), the outfan of wavelength division multiplexer (3) is connected with the Er-doped fiber end of F-P cavity (4), F-P cavity
(4) Bragg fiber gratings end is connected with signal processing system (5).
2. the resonance cavity system of a kind of Dynamic Optical Fiber grating according to claim 1 and Bragg optical grating constitutions, its feature exist
In described signal optical source (2) is continuous signal light source or time varying signal light source；Described time varying signal light-source structure is to connect
The input of output termination optoisolator (22) of continuous light laser (21), the output termination electric light phase place of optoisolator (22) are adjusted
The optical signal input of device (23) processed, functional generator (24) connect the signal of telecommunication trigger input end of electro-optic phase modulator (23),
The input of output termination Polarization Controller (25) of electro-optic phase modulator (23), the outfan conduct of Polarization Controller (25)
The outfan of described time varying signal light source.
3. the resonance cavity system of a kind of Dynamic Optical Fiber grating according to claim 1 and Bragg optical grating constitutions, its feature exist
In described signal processing system (5) is spectrogrph or the oscillograph with electrooptical device.
4. according to a kind of arbitrary described Dynamic Optical Fiber grating of claims 1 to 3 and the resonance cavity system of Bragg optical grating constitutions,
Characterized in that, described L1=50cm, L2=1cm, L=20cm.
5. according to a kind of arbitrary described Dynamic Optical Fiber grating of claims 1 to 3 and the resonance cavity system of Bragg optical grating constitutions,
Characterized in that, the wavelength of described incoherent pump light source (1) is 980nm or 1480nm, the wavelength of signal optical source (2) is
1550nm, the wavelength for constituting the Bragg fiber gratings used by F-P cavity (4) are 1550nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043134.5A CN106602394B (en) | 2017-01-19 | 2017-01-19 | A kind of resonance cavity system of Dynamic Optical Fiber grating and optical fiber Bragg raster composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710043134.5A CN106602394B (en) | 2017-01-19 | 2017-01-19 | A kind of resonance cavity system of Dynamic Optical Fiber grating and optical fiber Bragg raster composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602394A true CN106602394A (en) | 2017-04-26 |
| CN106602394B CN106602394B (en) | 2019-02-12 |
Family
ID=58586291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710043134.5A Active CN106602394B (en) | 2017-01-19 | 2017-01-19 | A kind of resonance cavity system of Dynamic Optical Fiber grating and optical fiber Bragg raster composition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106602394B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794512A (en) * | 2019-12-04 | 2020-02-14 | 中国工程物理研究院激光聚变研究中心 | Grating writing method, grating writing device, optical fiber and optical fiber laser |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982791A (en) * | 1998-01-14 | 1999-11-09 | Hewlett-Packard Company | Wavelength tracking in adjustable optical systems |
| US6163554A (en) * | 1998-05-26 | 2000-12-19 | Electronics And Telecommunications Research Institute | Optical fiber raman laser |
| US20020141695A1 (en) * | 2001-02-07 | 2002-10-03 | Redc Optical Networks Ltd. | Method and apparatus for a dynamic gain equalizer for an erbium doped fiber amplifier |
| CN1659753A (en) * | 2002-04-03 | 2005-08-24 | 埃斯科绘图有限公司 | Laser system |
| CN102394465A (en) * | 2011-10-26 | 2012-03-28 | 江苏省邮电规划设计院有限责任公司 | Single longitudinal mode laser device capable of switching wavelengths |
| CN103531994A (en) * | 2013-10-11 | 2014-01-22 | 山东海富光子科技股份有限公司 | Same-bandwidth pumping single-frequency optical fiber laser using erbium-doped quartz optical fiber as gain medium |
| CN203617538U (en) * | 2013-12-25 | 2014-05-28 | 黑龙江大学 | Er-doped fiber amplifier based on weak-reflectivity fiber Bragg gratings |
| CN105659926B (en) * | 2013-01-11 | 2015-01-14 | 北京大学 | 1083nm wave band narrow line width regulatable polarization-maintaining fiber laser |
| CN105006739A (en) * | 2015-07-16 | 2015-10-28 | 盐城工学院 | Brillouin scattering dynamic grating generation device and method based on capillary tube |
| CN105244738A (en) * | 2015-10-14 | 2016-01-13 | 安徽大学 | Single-frequency narrow linewidth green laser device |
| CN105896270A (en) * | 2016-06-20 | 2016-08-24 | 中国科学院半导体研究所 | Stimulated brillouin scattering-based laser device linewidth narrowing device |
-
2017
- 2017-01-19 CN CN201710043134.5A patent/CN106602394B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5982791A (en) * | 1998-01-14 | 1999-11-09 | Hewlett-Packard Company | Wavelength tracking in adjustable optical systems |
| US6163554A (en) * | 1998-05-26 | 2000-12-19 | Electronics And Telecommunications Research Institute | Optical fiber raman laser |
| US20020141695A1 (en) * | 2001-02-07 | 2002-10-03 | Redc Optical Networks Ltd. | Method and apparatus for a dynamic gain equalizer for an erbium doped fiber amplifier |
| CN1659753A (en) * | 2002-04-03 | 2005-08-24 | 埃斯科绘图有限公司 | Laser system |
| CN102394465A (en) * | 2011-10-26 | 2012-03-28 | 江苏省邮电规划设计院有限责任公司 | Single longitudinal mode laser device capable of switching wavelengths |
| CN105659926B (en) * | 2013-01-11 | 2015-01-14 | 北京大学 | 1083nm wave band narrow line width regulatable polarization-maintaining fiber laser |
| CN103531994A (en) * | 2013-10-11 | 2014-01-22 | 山东海富光子科技股份有限公司 | Same-bandwidth pumping single-frequency optical fiber laser using erbium-doped quartz optical fiber as gain medium |
| CN203617538U (en) * | 2013-12-25 | 2014-05-28 | 黑龙江大学 | Er-doped fiber amplifier based on weak-reflectivity fiber Bragg gratings |
| CN105006739A (en) * | 2015-07-16 | 2015-10-28 | 盐城工学院 | Brillouin scattering dynamic grating generation device and method based on capillary tube |
| CN105244738A (en) * | 2015-10-14 | 2016-01-13 | 安徽大学 | Single-frequency narrow linewidth green laser device |
| CN105896270A (en) * | 2016-06-20 | 2016-08-24 | 中国科学院半导体研究所 | Stimulated brillouin scattering-based laser device linewidth narrowing device |
Non-Patent Citations (2)
| Title |
|---|
| L.A.FERREIRA等: "Simultaneous measurement of displacement and temperature using a low finesse cavity and a fiber Bragg grating", 《IEEE PHOTONICS TECHNOLOGY LETTERS》 * |
| PAN XU等: "Transient reflectance spectra of adaptive filters based on dynamic population gratings", 《OPTICS LETTERS》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794512A (en) * | 2019-12-04 | 2020-02-14 | 中国工程物理研究院激光聚变研究中心 | Grating writing method, grating writing device, optical fiber and optical fiber laser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106602394B (en) | 2019-02-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rochette et al. | 2R optical regeneration: an all-optical solution for BER improvement | |
| JP4112777B2 (en) | Microstructured optical fiber | |
| US6611368B1 (en) | Time-division multiplexed pump wavelengths resulting in ultra broad band, flat, backward pumped Raman gain | |
| EP1962135A1 (en) | Optical compressor and ultra-short pulse light source | |
| Xu et al. | Multi-parameter sensor based on random fiber lasers | |
| CN101540468A (en) | Method and devices for optically generating high-frequency microwave signals | |
| Qi et al. | Tunable all fiber multi-wavelength mode-locked laser with a large dynamic range using polarization controller coiled SMF-GIMF-SMF structure as both saturable absorber and comb filter | |
| Jiang et al. | 714 W all-fiber supercontinuum generation from an ytterbium-doped fiber amplifier | |
| CN113156735B (en) | Inverse ridge type AlGaAs waveguide and method thereof | |
| Gao et al. | All-optical wavelength multicasting based on cascaded four-wave mixing with a single pump in highly nonlinear fibers | |
| Abreu-Afonso et al. | Continuously tunable microwave photonic filter using a multiwavelength fiber laser | |
| Prince et al. | Comprehensive analysis of dual core photonic crystal fibers for optimizing optical properties towards highly coherent supercontinuum generation | |
| CN106602394B (en) | A kind of resonance cavity system of Dynamic Optical Fiber grating and optical fiber Bragg raster composition | |
| Yu et al. | A microwave photonic notch filter using a microfiber ring resonator | |
| Xiao et al. | Waveform-variable multi-wavelength erbium-doped random fiber laser | |
| Parmigiani et al. | Efficient wavelength conversion using triangular pulses generated using a superstructured fiber Bragg grating | |
| CN217060716U (en) | Optical frequency comb generation device for phase modulation and stimulated Brillouin scattering | |
| CN114784605A (en) | Multi-wavelength vector pulse fiber laser | |
| Kulishov et al. | Tunable waveguide transmission gratings based on active gain control | |
| JP6025317B2 (en) | Mode-locked laser light source device and optical coherence tomography apparatus using the same | |
| Tithi et al. | Overview of stimulated Brillouin scattering effect and various types of method to eliminate this effect | |
| Cheng et al. | Design of all-normal dispersion photonic crystal fiber for high coherent broadband supercontinuum generation in the telecommunication window | |
| Han et al. | 200km ultra-long random fiber laser and sensor | |
| Au et al. | Effects of acoustic reflection on the performance of a cladding-etched all-fiber acoustooptic variable optical attenuator | |
| CN117856016A (en) | Wavelength-switchable random fiber laser based on fiber bragg grating and implementation method thereof |
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 |