CN109521624A - A kind of parallel all-optical digital chaos data selector - Google Patents
A kind of parallel all-optical digital chaos data selector Download PDFInfo
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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Abstract
The invention discloses a kind of parallel all-optical digital chaos data selectors, including electronic data selector, sampling grating distributed Bragg reflection laser, photo-coupler, Vcsel, optoisolator, beam splitter, polarization beam apparatus, variable attenuator, photoelectric converter, low-pass filter, electric amplifier, Faraday rotator, half-wave plate.The present invention can be realized the selection output of two-channel digital chaotic signal by the input of control selections channel signal, and completion can promote the use of full optical chaos trigger, in full optical chaos counter for the data selection function of parallel all-optical digital chaotic signal.
Description
Technical field
The present invention relates to electronics and photonic device, more particularly to a kind of parallel all-optical digital chaos data selector.
Background technique
Light injection or light feedback Vcsel (VCSEL) can produce the chaos of high-dimensional, big bandwidth
Power behavior, by the way that basic or increasingly complex patrol can be executed using mode abundant in laser chaos system is embedded into
Function is collected, wherein the polarization bistability of light injection Vcsel is that VCSEL chaos system expands new answer
Possibility is provided with the calculating of-chaos." chaotic radar ranging ", " chaos can be promoted the use of currently with its chaos power behavior
The fields such as storage pool ", " chaotic secret communication ", " chaotic neural network ".Some researchers have been realized in utilization at this stage
Different VCSEL laser chaos system principle of device carry out basic Chaos logic "AND", "or", NOT operation；Using being based on
Drive response chaotic laser light system equally also achieves some basic logic operations, such as " same or door ", " nor gate ".However,
Above-mentioned Chaos logic operation only realizes basic mix based on various mechanism (such as polarization conversion, Chaotic Synchronous, polarization bistability)
Ignorant logical operation, it is necessary to which some more complicated combination Chaos logic operations are explored.
In full optical chaos network in signal exchange and signal processing, the full optical chaos logical operation of complex combination, such as Quan Guang
Chaos data selector, full optical chaos decoder etc., plays important role.Full optical chaos data selector and other basic
Full optical chaos logical device be used cooperatively, it is mixed that the full optical chaos logic function of increasingly complex combination and full light sequential may be implemented
Ignorant logic function, such as full optical chaos trigger, full optical chaos counter etc., this is conducive to promote full optical chaos secret communication network
The practicalization of system.However, full optical chaos data selector is seldom concerned, so far there are no relevant report, it is necessary to
A kind of new mechanism principle and new optical path are explored to realize full optical chaos data selector.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of parallel all-optical digital chaos data to select
Device.
The purpose of the present invention is achieved through the following technical solutions: a kind of parallel all-optical digital chaos data selection
Device, including the first electric amplifier, the first low-pass filter, the first photoelectric converter, the second electric amplifier, the second low-pass filtering
Device, the second photoelectric converter, third electric amplifier, third low-pass filter, third photoelectric converter, electronic data selector,
Sampling grating distributed Bragg reflection laser, the first photo-coupler, the second photo-coupler, Vcsel；
The first optical isolation is provided between the sampling grating distributed Bragg reflection laser and the first photo-coupler
Device, the first beam splitter, the second beam splitter, the first variable attenuator, the second variable attenuator, third variable attenuator,
Three beam splitters, the 4th beam splitter, the 5th beam splitter；Have first between first photo-coupler and the second photo-coupler
Polarization beam apparatus, the first Faraday rotator and the first half-wave plate；Second photo-coupler and Vertical Cavity Surface emit laser
There are the 6th beam splitter, the 4th variable attenuator, the second Faraday rotator, the second half-wave plate and the 5th variable attenuation between device
Device；The second optoisolator and the second polarization beam apparatus are additionally provided with after the Vcsel.
Wherein, first optoisolator is set to sampling grating distributed Bragg reflection laser and the first beam splitter
Between, sampling grating distributed Bragg reflection laser is swashed by the first optoisolator to what the transmission of the first beam splitter generated
Light.
The output end all the way of first beam splitter transmits laser to the second beam splitter；First beam splitter it is another
Road output end transmits laser to the 5th beam splitter by third variable attenuator；
The output end all the way of second beam splitter transmits laser to the 4th beam splitter by the second variable attenuator,
The another output end of second beam splitter laser is transmitted to third beam splitter by the first variable attenuator；
The output end all the way of the third beam splitter transmits laser to the second photoelectric converter, the second photoelectric converter
Output end passes sequentially through the second low-pass filter, the second electric amplifier is connect with electronic data selector；Third beam splitter
Laser is transmitted to the first photo-coupler in another output end；
The output end all the way of 4th beam splitter transmits laser to the first photoelectric converter, the first photoelectric converter
Output end passes sequentially through the first low-pass filter, the first electric amplifier is connect with electronic data selector；4th beam splitter
Laser is transmitted to the first photo-coupler in another output end；
The output end all the way of 5th beam splitter transmits laser to third photoelectric converter, third photoelectric converter
Output end passes sequentially through third low-pass filter, third electric amplifier is connect with electronic data selector；5th beam splitter
Laser is transmitted to the first photo-coupler in another output end；
The output end of the electronic data selector is connect with sampling grating distributed Bragg reflection laser.
The output end transmission laser of first photo-coupler is to the first polarization beam apparatus, and the first polarization beam apparatus is all the way
Output end transmits laser to the second photo-coupler；The another kind of output end of first polarization beam apparatus through the first Faraday rotator and
First half-wave plate transmits laser to the second photo-coupler.
The output end of second photo-coupler transmits laser, the output all the way of the 6th beam splitter to the 6th beam splitter
Laser is transmitted to Vcsel through the 4th variable attenuator in end；The another output end of 6th beam splitter
Two Faraday rotators, the second half-wave plate, the 5th variable attenuator transmit laser to Vcsel.
The output end of the Vcsel passes through the second optoisolator to the second polarizing beamsplitter
Laser carries out polarization output by the second polarization beam apparatus.
The beneficial effects of the present invention are: the present invention can be realized two-channel digital by the input of control selections channel signal
The selection of chaotic signal exports, and completes the data selection function for parallel all-optical digital chaotic signal, can promote the use of complete
In optical chaos trigger, full optical chaos counter.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the chaos geographical map of parallel all-optical digital chaos data selector；
Fig. 3 is when frequency detuning is -40GHz and 40GHz, and the bistable state of two polarized components is with EinjEvolution；
Frequency of the Fig. 4 between sampling grating distributed Bragg reflection laser 11 and Vcsel 14
The detuning relationship between injected field amplitude；
Fig. 5 is the relationship between the input signal and logic control signal of parallel all-optical digital chaos data selector；
Fig. 6 is the number that parallel all-optical digital chaos data selector x-polarisation exports amplitude and exports after threshold decision
Signal Y1；
Fig. 7 is the number that parallel all-optical digital chaos data selector y-polarisation exports amplitude and exports after threshold decision
Signal Y2；
In figure, the first electric amplifier of 1-, the first low-pass filter of 2-, the first photoelectric converter of 3-, the second electric amplifier of 4-,
The second low-pass filter of 5-, the second photoelectric converter of 6-, 7- third electric amplifier, 8- third low-pass filter, 9- third photoelectricity
Converter, 10- electronic data selector, 11- sampling grating distributed Bragg reflection laser, the first photo-coupler of 12-, 13-
Second photo-coupler, 14- Vcsel, the first optoisolator of 15-, the first beam splitter of 16-, 17- second
Beam splitter, the first variable attenuator of 18-, the second variable attenuator of 19-, 20- third variable attenuator, 21- third light beam splitting
Device, the 4th beam splitter of 22-, the 5th beam splitter of 23-, the first polarization beam apparatus of 24-, the first Faraday rotator of 25-, 26-
First half-wave plate, the 6th beam splitter of 27-, the 4th variable attenuator of 28-, the second Faraday rotator of 29-, the second half-wave of 30-
Piece, the 5th variable attenuator of 31-, the second optoisolator of 32-, the second polarization beam apparatus of 33-.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, a kind of parallel all-optical digital chaos data selector, including the first electric amplifier 1, the first low pass filtered
Wave device 2, the first photoelectric converter 3, the second electric amplifier 4, the second low-pass filter 5, the second photoelectric converter 6, third electricity are put
Big device 7, third low-pass filter 8, third photoelectric converter 9, electronic data selector 10, sampling grating distributed Blatt reflective
Laser 11, the first photo-coupler 12, the second photo-coupler 13, Vcsel 14；
The first light is provided between the sampling grating distributed Bragg reflection laser 11 and the first photo-coupler 12
Isolator 15, the first beam splitter 16, the second beam splitter 17, the first variable attenuator 18, the second variable attenuator 19, third
Variable attenuator 20, third beam splitter 21, the 4th beam splitter 22, the 5th beam splitter 23；First photo-coupler 12
There are the first polarization beam apparatus 24, the first Faraday rotator 25 and the first half-wave plate 26 between the second photo-coupler 13；It is described
Have between second photo-coupler 13 and Vcsel 14 the 6th beam splitter 27, the 4th variable attenuator 28,
Second Faraday rotator 29, the second half-wave plate 30 and the 5th variable attenuator 31；The Vcsel 14
After be additionally provided with the second optoisolator 32 and the second polarization beam apparatus 33.
Wherein, first optoisolator 15 is set to sampling grating distributed Bragg reflection laser 11 and the first light point
Between beam device 16, sampling grating distributed Bragg reflection laser 11 is passed by the first optoisolator 15 to the first beam splitter 16
The laser of defeated generation.
The output end all the way of first beam splitter 16 transmits laser to the second beam splitter 17；First beam splitter 16
Another output end laser is transmitted to the 5th beam splitter 23 by third variable attenuator 20；
The output end all the way of second beam splitter 17 transmits laser to the 4th light point by the second variable attenuator 19
The another output end of beam device 22, the second beam splitter 17 laser is transmitted to third beam splitter by the first variable attenuator 18
21；
The output end all the way of the third beam splitter 21 transmits laser to the second photoelectric converter 6, the second photoelectric conversion
The output end of device 6 passes sequentially through the second low-pass filter 5, the second electric amplifier 4 is connect with electronic data selector 10；Third light
Laser is transmitted to the first photo-coupler 12 in the another output end of beam splitter 21；
The output end all the way of 4th beam splitter 22 transmits laser to the first photoelectric converter 3, the first photoelectric conversion
The output end of device 3 passes sequentially through the first low-pass filter 2, the first electric amplifier 1 is connect with electronic data selector 10；4th light
Laser is transmitted to the first photo-coupler 12 in the another output end of beam splitter 22；
The output end all the way of 5th beam splitter 23 transmits laser to third photoelectric converter 9, third photoelectric conversion
The output end of device 9 passes sequentially through third low-pass filter 8, third electric amplifier 7 is connect with electronic data selector 10；5th light
Laser is transmitted to the first photo-coupler 12 in the another output end of beam splitter 23；
The output end of the electronic data selector 10 is connect with sampling grating distributed Bragg reflection laser 11.
The output end of first photo-coupler 12 transmits laser to the first polarization beam apparatus 24, the first polarization beam apparatus 24
Output end all the way transmit laser to the second photo-coupler 13；The another kind of output end of first polarization beam apparatus 24 is through first farad
Rotator 25 and the first half-wave plate 26 transmit laser to the second photo-coupler 13.
The output end of second photo-coupler transmits laser to the 6th beam splitter 27, and the 6th beam splitter 27 is all the way
Output end transmits laser to Vcsel 14 through the 4th variable attenuator 28；The another way of 6th beam splitter 27
Output end emits laser to Vertical Cavity Surface through the second Faraday rotator 29, the second half-wave plate 30, the 5th variable attenuator 31
Device 14 transmits laser.
The output end of the Vcsel 14 passes through the second optoisolator 32 to the second polarization beam apparatus
33 transmission laser, carry out polarization output by the second polarization beam apparatus 33.
Working principle of the present invention is as follows: sampling grating distributed Bragg reflection laser 11, as tunable laser,
The light of different centre frequencies is generated under the different polarization function of current.First optoisolator 15 is used to avoid the first beam splitter
16 generate light feedback, and the second optoisolator 32 is used to that the second polarization beam apparatus 33 is avoided to generate light feedback.First beam splitter 16
Exterior light from sampling grating distributed Bragg reflection laser 11 is separated into two-beam.It is wherein a branch of to decline through third is variable
Subtract after device 20 changes light intensity and injects the 5th beam splitter 23；In addition light beam is separated into again by the second beam splitter 17
Two-beam, this two-beam are injected separately into after changing light intensity with the second variable attenuator 19 by the first variable attenuator 18 respectively again
Third beam splitter 21 and the 4th beam splitter 22.The two-beam isolated from the 4th beam splitter 22 and third beam splitter 21
It is compiled into two logic input I respectively1And I2；The light beam isolated through the 5th beam splitter 23 is compiled into clock signal
Ic.First photo-coupler 12 is by representation signal I1、I2And IcThree-beam be coupled into light beam.In order to ensure coming from the first optocoupler
The random polarization light that clutch 12 exports accurately parallel can be injected into each polarization of Vcsel 14
In component, need to be converted to linearly polarized photon to this beam random polarization light by some passive devices.That is, the first photo-coupler 12
The light of output is divided into x-polarisation light and y-polarisation light through the first polarization beam apparatus 24, and wherein x-polarisation light is directly injected into the second optocoupler
In clutch 13, y-polarisation light is re-introduced into after the first Faraday rotator 25 and the first half-wave plate 26 are converted to x-polarisation light
In two photo-couplers 13.Above-mentioned two-beam is coupled as light beam with second photo-coupler 13 and signal light is x-polarisation light at this time.The
X-polarisation light from the second photo-coupler 13 is separated into two-beam by six beam splitters 27, wherein a branch of through the 4th variable attenuation
Device 28 is directly injected into the x-polarisation component of Vcsel 14 after changing light intensity, and in addition light beam is through second
Faraday rotator 29 and the second half-wave plate 30 are converted to y-polarisation light, then inject after the 5th variable attenuator 31 changes light intensity
In the y-polarisation component of Vcsel 14.Here the output of Vcsel 14 is inclined through second
Vibration beam splitter 33 is divided to for two chaos polarized components, and the polarization output of the two chaos is compiled as parallel all-optical digital chaos data
Two logics of selector export Y1And Y2。
In order to realize the data selection function to optical signal, here, by sampling grating distributed Bragg reflection laser 11
Frequency detuning Δ ω (Δ ω between Vcsel 141+Δω2) it is used as control logic signal C, wherein
Δω1With Δ ω2It is respectively μ in the Injection Current of sampling grating distributed Bragg reflection laser 1101And μ02In the case where produce
It is raw.WhenWhen, it can obtainWithI.e. system can produce two parallel
Data selection operation.For C and I1, I2And IcData choice relation specific control program it is as follows: through the 4th beam splitter
22, the other three-beam that third beam splitter 21 and the 5th beam splitter 23 are isolated passes through the first photoelectric converter 3, respectively
Two photoelectric converters 6 and third photoelectric converter 9 are converted to current signal i1, i2And ic, they pass through the first low pass filtered respectively again
Wave device 2, the second low-pass filter 5 and third low-pass filter 8 are filtered, and filtered three signals are put using the first electricity
Patrolling for electronic data selector 10 is each separately compiled into after 7 amplification of big device 1, the second electric amplifier 4 and third electric amplifier
Collect input ii1,ii2And iic.The bias current μ of sampling grating distributed Bragg reflection laser 110It is compiled as electronic data choosing
Select the logic output Y of device 100If i.e. μ0=μ01Then Y01=0, corresponding Δ ω=Δ ω1(C=C1)；Work as μ0=μ02When, Y02
=1, corresponding Δ ω=Δ ω2(C=C2).It is available by using electronic data selector 10By
This can be realized indirectly
Based on spin flip conversion model, the Rate equations of external optical injection Vcsel 14 can be with following
Equation statement:
In formula, subscript x and y respectively indicate x-polarisation component and y-polarisation component；For normalized amplitude, g
For difference material gain, A is slow change amplitude；N is total carrier concentration；N is that upper and lower carrier concentration is poor；K is field rate of decay；
A is line width gain factor；γpFor double refractive inde；γaFor dichroism coefficient；γeFor non-radiative carrier relaxation rate；γs
For spin relaxation rate；μ=(Γ g/k) [U/ (2eV γe)-N0] (wherein μ is normalization bias current), Γ is that the field of active area limits
The factor processed, U are Injection Current, and e is electron charge, and V is active layer volume, N0For the half of transparent carrier concentration；KxIt is inclined for x
Shake injection intensity coefficient；KyFor y-polarisation injection intensity coefficient；For noise intensity, βspFor sponta-neous emission factor；
Bit duration is T and it is equal to 10ns；It is Ei1, Ei2, EicThe sum of, AinjFor the slow change of injection field
Amplitude；ξxAnd ξyFor mutually independent white Gaussian noise, mean value is that 0 variance is 1, and related coefficient is < ξi(t)ξj(t)*>=2
δijδ(t-t′).Δ ω=ωinj-ωrefFor the frequency detuning of injected field and VCSEL, ωinjFor injected field angular frequency,
ωrefTo be defined as (ω with reference to angular frequencyx+ωy)/2, here ωx=(- γp+aγa) and ωy=(γp-aγa) it is vertical cavity
The angular frequency of x, y-polarisation light under 14 free-running operation of surface emitting laser.
Fig. 2 gives the chaos geographical map of parallel all-optical digital chaos data selector, and here, CO indicates that system is in mixed
Ignorant state；QP indicates quasiperiodical oscillation；P2Indicate Two Periodic Oscillation；P1Indicate monocycle oscillation.Under the conditions of Δ ω=40GHz, when
EinjBetween 0.59-0.74, the x-PC of output is in chaos state, works as EinjWhen changing between 0.57-2.18, the output of output
Chaos state is presented in y-PC.If Δ ω=- 40GHz, EinjIn 0.1-3 variation, output x-PC and y-PC are all located at chaos shape
State.In order to determine the E for being used to be compiled into logic inputinjValue, we calculate at Δ ω=40 and -40GHz, and two
The bistable state of polarized component is exported with EinjDynamic evolution.As shown in figure 3, as Δ ω=40GHz, pair of x-PC and y-PC
Steady ring is located at EinjBetween 0.37-0.73, E within this rangeinjSystem is set to generate chaotic output.
For parallel all-optical digital chaos data selector logic input compiling we use following scheme: assuming that Einj
Equal to the sum of three square waves of parallel all-optical digital chaos data selector input, i.e. Einj=Ei1+Ei2+Eic.Here, Ei1, Ei2
And EicSuccessively it is used to be compiled into logic digital input signals I1, I2With data select signal Ic.Due to logic input may be 0 or
1, so (I1,I2,Ic) there are 8 logic sequences, i.e., (0,0,0), (0,0,1), (0,1,0), (0,1,1), (1,0,0), (1,
0,1), (1,1,0), (1,1,1).We are compiled into this 8 logic inputs, here, E with four standard signalsinj1(Einj2-Δ
Einj) indicate (0,0,0)；Einj2It indicates (0,0,1), (0,1,0) and (1,0,0)；Einj3(Einj2+ΔEinj) indicate (0,1,1),
(1,0,1) and (1,1,0)；Einj4(Einj2+2ΔEinj) represent (1,1,1).Four standard signals are constants in a cycle T, this
In T be set as 10ns, i.e., the rate of logical device is 0.1GHz.We take Einj1=0.63, Einj2=0.66, Einj3=0.69 He
Einj4=0.72 is used as four standard signals.Here, work as Ei1=Ei2=EicWhen=0.21, I1=I2=Ic=0；If Ei1=Ei2=
EicWhen=0.24, I1=I2=Ic=1.In addition, if Δ ω=40GHz, C=1；As Δ ω=- 40GHz, C=0.
Output for parallel all-optical digital chaos data selector, is obtained using threshold mechanism here.It is assumed that vertical
The light intensity E of cavity surface emitting laser x-polarisation component outputxMean square deviation (MSEs) be σx, the light intensity E of y-polarisation component outputy
MSEs be σy, consider that logic exports Y1And Y2There is identical threshold value M, and it is 0.1.Then, work as ExOr EyLowest mean square
Poor σx min> M and σy minY when > M1=1 and Y2=1, on the contrary its maximum meansquaredeviationσx max< M and σy maxY when < M1=0 and Y2=0.
Fundamentals of Compiling is output and input according to above-mentioned logic, we illustrate the realizations of full optical chaos logic Selecting operation, such as Fig. 4 institute
Show, here the amplitude of injected field with quick four standard signal variation.Table 1 gives logic input, selection signal and patrols
Collect the assembled arrangement of output.As shown in figure 4, it is inclined to control sampling grating distributed Bragg reflection laser by electric data selector
Set electric current and feedback current i1, i2And iCMathematical logic Selecting operation, obtain Δ ω and E indirectlyi1, Ei2And EicData selection
Arithmetic logic relationship.On this basis, as (I1, I2,IC)=(0,0,0), (0,0,1), when (0,1,0) and (1,0,1), σx max
Respectively 0.0262,0.0322,0.0308 and 0.0281, σy maxRespectively 0.0751,0.0712,0.0806 and 0.0376.By
In σx max< M and σy max<M,Y1=0 and Y2=0；As (I1, I2,IC)=(1,0,0), (1,1,0), (0,1,1) and (1,1,1)
When, σx minRespectively 0.1290,0.1409,0.1371 and 0.1567, σy minRespectively 0.1292,0.1510,0.1497 and
0.1693.Due to σx min> M and σy min>M,Y1=1 and Y2=1.Then, we obtain two parallel full optical chaos data choosings
It is as follows to select operation:WithAs shown in the table.
Fig. 2 gives the chaos geographical map of parallel all-optical digital chaos data selector.Wherein Fig. 2 (a) is the x- of system
PC output, Fig. 2 (b) are y-PC output.Here, CO: chaos state；QP: quasiperiodical oscillation；P2: Two Periodic Oscillation；P1: monocycle vibration
It swings；
Fig. 3 is in Δ ω=- 40GHz (a) and 40GHz (b), and the bistable state of two polarized components is with EinjDifferentiation.
Here,Solid line represents x-PC output situation；Dotted line indicates that y-PC exports situation.Arrow indicates to be used to compile
Translate four standard signal positions of logic input；
Fig. 4 gives between sampling grating distributed Bragg reflection laser 11 and Vcsel 14
Relationship between frequency detuning and injected field amplitude.Dotted line: sampling grating distributed Bragg reflection laser 11 and vertical cavity
Frequency detuning between surface emitting laser 14.Solid line: injected field amplitude.
Fig. 5 gives the signal I of parallel all-optical digital chaos data selector input1、I2And IcWith logic control signal C
Between relationship.
Fig. 6 gives the x-polarisation output situation of parallel all-optical digital chaos data selector.Solid line: Vertical Cavity Surface hair
Penetrate the amplitude E of the x-polarisation light of the sending of laser 14x(t).Dotted line: the digital signal Y exported after threshold decision1(t)。
Fig. 7 gives the y-polarisation output situation of parallel all-optical digital chaos data selector.Solid line: Vertical Cavity Surface hair
Penetrate the amplitude E of the y-polarisation light of the sending of laser 14y(t).Dotted line: the digital signal Y exported after threshold decision2(t)。
Finally, it should be noted that the above is a preferred embodiment of the present invention, it should be understood that the present invention is not office
It is limited to form disclosed herein, should not be viewed as excluding other embodiments, and can be used for other combinations, modification and ring
Border, and can be in contemplated scope described herein, modifications can be made through the above teachings or related fields of technology or knowledge.And this
The modifications and changes that field personnel are carried out do not depart from the spirit and scope of the present invention, then all should be in appended claims of the present invention
Protection scope in.
Claims (6)
1. a kind of parallel all-optical digital chaos data selector, it is characterised in that: including the first electric amplifier (1), the first low pass
Filter (2), the first photoelectric converter (3), the second electric amplifier (4), the second low-pass filter (5), the second photoelectric converter
(6), third electric amplifier (7), third low-pass filter (8), third photoelectric converter (9), electronic data selector (10), adopt
Sample grating distributed bragg reflector lasers (11), the first photo-coupler (12), the second photo-coupler (13), Vertical Cavity Surface hair
Penetrate laser (14)；
The first light is provided between the sampling grating distributed Bragg reflection laser (11) and the first photo-coupler (12)
Isolator (15), the first beam splitter (16), the second beam splitter (17), the first variable attenuator (18), the second variable attenuation
Device (19), third variable attenuator (20), third beam splitter (21), the 4th beam splitter (22), the 5th beam splitter (23)；
There are the first polarization beam apparatus (24), the first Faraday rotation between first photo-coupler (12) and the second photo-coupler (13)
Device (25) and the first half-wave plate (26)；Have between second photo-coupler (13) and Vcsel (14)
Six beam splitters (27), the 4th variable attenuator (28), the second Faraday rotator (29), the second half-wave plate (30) and the 5th can
Become attenuator (31)；The second optoisolator (32) and the second polarization are additionally provided with after the Vcsel (14)
Beam splitter (33).
2. a kind of parallel all-optical digital chaos data selector according to claim 1, it is characterised in that: first light
Isolator (15) is set between sampling grating distributed Bragg reflection laser (11) and the first beam splitter (16), sampled light
Grid distributed Bragg reflection laser (11) is swashed by the first optoisolator (15) to what the first beam splitter (16) transmission generated
Light.
3. a kind of parallel all-optical digital chaos data selector according to claim 2, it is characterised in that: first light
The output end all the way of beam splitter (16) transmits laser to the second beam splitter (17)；The another output of first beam splitter (16)
Laser is transmitted to the 5th beam splitter (23) by third variable attenuator (20) in end；
The output end all the way of second beam splitter (17) transmits laser to the 4th light point by the second variable attenuator (19)
Laser is transmitted to third light by the first variable attenuator (18) in the another output end of beam device (22), the second beam splitter (17)
Beam splitter (21)；
The output end all the way of the third beam splitter (21) transmits laser to the second photoelectric converter (6), the second photoelectric conversion
The output end of device (6) passes sequentially through the second low-pass filter (5), the second electric amplifier (4) and electronic data selector (10) and connects
It connects；Laser is transmitted to the first photo-coupler (12) in the another output end of third beam splitter (21)；
The output end all the way of 4th beam splitter (22) transmits laser to the first photoelectric converter (3), the first photoelectric conversion
The output end of device (3) passes sequentially through the first low-pass filter (2), the first electric amplifier (1) and electronic data selector (10) and connects
It connects；Laser is transmitted to the first photo-coupler (12) in the another output end of 4th beam splitter (22)；
The output end all the way of 5th beam splitter (23) transmits laser to third photoelectric converter (9), third photoelectric conversion
The output end of device (9) passes sequentially through third low-pass filter (8), third electric amplifier (7) and electronic data selector (10) and connects
It connects；Laser is transmitted to the first photo-coupler (12) in the another output end of 5th beam splitter (23)；
The output end of the electronic data selector (10) is connect with sampling grating distributed Bragg reflection laser (11).
4. a kind of parallel all-optical digital chaos data selector according to claim 1, it is characterised in that: first light
The output end of coupler (12) transmits laser to the first polarization beam apparatus (24), the output end all the way of the first polarization beam apparatus (24)
Laser is transmitted to the second photo-coupler (13)；The another kind of output end of first polarization beam apparatus (24) is through the first Faraday rotator
(25) and the first half-wave plate (26) transmits laser to the second photo-coupler (13).
5. a kind of parallel all-optical digital chaos data selector according to claim 1, it is characterised in that: second light
The output end of coupler transmits laser to the 6th beam splitter (27), and the output end all the way of the 6th beam splitter (27) can through the 4th
Become attenuator (28) and transmits laser to Vcsel (14)；The another output end of 6th beam splitter (27) passes through
Second Faraday rotator (29), the second half-wave plate (30), the 5th variable attenuator (31) are to Vcsel
(14) laser is transmitted.
6. a kind of parallel all-optical digital chaos data selector according to claim 1, it is characterised in that: the vertical cavity
The output end of surface emitting laser (14) transmits laser to the second polarization beam apparatus (33) by the second optoisolator (32), by
Second polarization beam apparatus (33) carries out polarization output.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606368.7A CN109521624B (en) | 2018-12-27 | 2018-12-27 | Parallel all-optical digital chaotic data selector |
| PCT/CN2019/072303 WO2020133612A1 (en) | 2018-12-27 | 2019-01-18 | Parallel all-optical digital chaos data selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811606368.7A CN109521624B (en) | 2018-12-27 | 2018-12-27 | Parallel all-optical digital chaotic data selector |
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| Publication Number | Publication Date |
|---|---|
| CN109521624A true CN109521624A (en) | 2019-03-26 |
| CN109521624B CN109521624B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811606368.7A Expired - Fee Related CN109521624B (en) | 2018-12-27 | 2018-12-27 | Parallel all-optical digital chaotic data selector |
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| Country | Link |
|---|---|
| CN (1) | CN109521624B (en) |
| WO (1) | WO2020133612A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114296293A (en) * | 2021-12-28 | 2022-04-08 | 杭州电子科技大学 | Alternative data selector based on optical single-ring embedded resonant cavity |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676560A (en) * | 2016-03-22 | 2016-06-15 | 五邑大学 | Controllable full-light optical random logic gate |
| CN107065392A (en) * | 2017-04-12 | 2017-08-18 | 五邑大学 | The dynamic all-optical Chaos logic door of restructural |
| CN107872740A (en) * | 2017-12-25 | 2018-04-03 | 清华大学 | A kind of all-optical data channel selection device |
| CN108535933A (en) * | 2018-04-27 | 2018-09-14 | 杭州电子科技大学 | A kind of all-optical logic gate based on Coupled Chaotic semiconductor laser |
| CN108919589A (en) * | 2018-07-06 | 2018-11-30 | 五邑大学 | A kind of restructural dynamic all-optical Chaos logic door for the storage that can be delayed |
-
2018
- 2018-12-27 CN CN201811606368.7A patent/CN109521624B/en not_active Expired - Fee Related
-
2019
- 2019-01-18 WO PCT/CN2019/072303 patent/WO2020133612A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105676560A (en) * | 2016-03-22 | 2016-06-15 | 五邑大学 | Controllable full-light optical random logic gate |
| CN107065392A (en) * | 2017-04-12 | 2017-08-18 | 五邑大学 | The dynamic all-optical Chaos logic door of restructural |
| CN107872740A (en) * | 2017-12-25 | 2018-04-03 | 清华大学 | A kind of all-optical data channel selection device |
| CN108535933A (en) * | 2018-04-27 | 2018-09-14 | 杭州电子科技大学 | A kind of all-optical logic gate based on Coupled Chaotic semiconductor laser |
| CN108919589A (en) * | 2018-07-06 | 2018-11-30 | 五邑大学 | A kind of restructural dynamic all-optical Chaos logic door for the storage that can be delayed |
Non-Patent Citations (1)
| Title |
|---|
| DONG-ZHOU ZHONG 等: "Reconfigurable dynamic all—optical chaotic logic operations in an optically injected VCSEL", 《CHINA PHYSICS B》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114296293A (en) * | 2021-12-28 | 2022-04-08 | 杭州电子科技大学 | Alternative data selector based on optical single-ring embedded resonant cavity |
| CN114296293B (en) * | 2021-12-28 | 2023-08-22 | 杭州电子科技大学 | Optical single ring mosaic resonant cavity based alternative data selector |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020133612A1 (en) | 2020-07-02 |
| CN109521624B (en) | 2020-09-29 |
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