CN107808192A - The transmission structure of controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves - Google Patents
The transmission structure of controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves Download PDFInfo
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- 210000005036 nerve Anatomy 0.000 title claims abstract description 45
- 238000012421 spiking Methods 0.000 title claims abstract description 34
- 230000008878 coupling Effects 0.000 title claims abstract description 22
- 238000010168 coupling process Methods 0.000 title claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
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- 230000003287 optical effect Effects 0.000 claims description 49
- 238000007405 data analysis Methods 0.000 claims description 7
- 230000001537 neural effect Effects 0.000 description 20
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- 210000004556 brain Anatomy 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
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- 230000008054 signal transmission Effects 0.000 description 6
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- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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Abstract
The transmission structure of controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves of present invention offer, it includes external disturbance signal generator module, VCSEL photon nerves module, control and analysis test module.Described external disturbance signal generator module includes tunable laser, Polarization Controller, signal generator, MZ Mach-Zehnder, isolator, and described VCSEL photon nerves module includes VCSEL, temperature controller, current controller.Control and analysis test module, including spectrometer, real-time oscilloscope, light power meter.The transmission structure of controllable suppression spiking signals uses mutual coupling structure between a kind of two mutual coupling VCSELs photon nerves of the present invention, and the transmitted in both directions of suppression spiking signals between two photon nerves can be achieved.
Description
Construction applications
The invention belongs to suppression controllable between message structure field, more particularly to a kind of two mutual coupling VCSELs photon nerves
The transmission structure of spiking signals.
Background technology
Artificial neural network is related to multiple subjects such as information science, brain science, Neuropsychology, is to human brain or biology god
Abstract and modeling through network, it is intelligence science and the important component of computational intelligence, it is mainly with brain science and cognition god
Based on achievement in research through science, so as to automatically control offer effective way to solve challenge and realization, thus from 20
The study hotspot of artificial intelligence field is progressively turned into since the eighties in century.
At present, the developed country such as America and Europe pays much attention to the development in artificial neural network field, and successively starts multinomial heavy
Point project.Early in 2005, European Union started one on supercomputer " Blue Gene " to realize virtual brain as target
Science plan.Then, " human brain plan " was defined as one of following emerging technology Flagship by them in 2013, same with this
When, the U.S. starts the brain meter of entitled " being studied using the human brain of advanced innovation type Neural Technology " in 100,000,000 dollars of investment in 2013
The project of drawing.
Under the support of above-mentioned planning item, field of neural networks have been achieved for a series of significant great researchs into
Fruit, Neurogrid, IBM Corporation Truenorth, the HICANN of Heidelberg University such as Stanford University, Manchester
Neuromorphic chips of university etc..These important achievements have confirmed that the great potential of artificial neural network technology, and
The development of Future Information processing apparatus has been promoted significantly.However, the correlative study of artificial nerve network model mainly focuses at present
In the implementation of the electricity such as CMOS analog circuits, modern super large integrated circuit, although these imitative Neural Technologies can be handled effectively
The crawler behavior of biological neural, but above-mentioned imitative nervous system is limited by bandwidth, distance, power consumption and hinders its application.
In recent years, the light based on semiconductor optical amplifier, optical fiber laser, photonic crystal chamber, semiconductor laser etc.
Sub- neural model is proposed that these photon neural models can inspire the response letter of 7 to 9 magnitudes faster than biological neural in succession
Number.
Specifically, Tai Te team in Princeton Alexandria have developed global first photon god in 2016
Through form chip, and prove that the chip can be calculated with ultrafast speed.Above-mentioned achievement fully confirms photon neural model
Huge applications potentiality.It is based on for the photon neural model of semiconductor laser, different photon neural models is carried
Go out, such as based on micro-loop, quantum dot, two-part, the photon neural model of vertical cavity surface emitting laser (VCSEL).
In these photon neural models based on semiconductor laser, because VCSEL have low cost, low energy consumption, be easy to
Some unique advantages such as two-dimensional array and the high coupling efficiency of optical fiber are integrated into, thus its corresponding photon neural model is
It has been subjected to extensive concern.
Interrelated, raising nerve of the developing direction of present neutral net between each neuron in exploration neutral net
The information handling rate of member.
Impulsive neural networks (Spiking Neuron Networks SNN)
Spiking neutral nets are described as " third generation neutral net ", and it is effectively to simulate between biological neuron
Information with Time Continuous transmission nonlinear system.The system uses time encoding mode organizational information, can simulate true life
The information processing mechanism of thing clock, than traditional neural network closer to actual biological nervous system.
The task of impulsive neural networks is the processing of the pulse train of input neuron, produces new pulse train and defeated
Go out neuron.It is well known that biological neuron may excite or suppress spiking signals under outside stimulus, and it is this
Spiking responses can be transmitted between two neurons, and the spiking response characteristics of each neuron are to research god in neutral net
There is positive role through the interdependence between member and the information handling rate of neuron.Therefore, for VCSEL photons nerve
For, the related key technical research for exploring spiking signals inhibition response transmission controllable between this neuron seems outstanding
To be important.
The content of the invention
The purpose of the present invention is based primarily upon the problem of current artificial neural network development is present, there is provided a kind of two mutual coupling
The transmission structure of controllable suppression spiking signals between VCSELs photon nerves, it can realize what is suppressed between two photon nerves
The transmitted in both directions of spikes signals.
The present invention uses following organization plan：
The transmission structure of controllable suppression spiking signals, it is big to be divided into three between a kind of two mutual coupling VCSELs photon nerves
Module：External disturbance signal generator module, VCSEL photon nerves module, control and analysis test module；
Wherein, external disturbance signal generator module includes tunable laser, Polarization Controller, Mach-Zehnder modulation
Device, signal generator, isolator；
VCSEL photon nerves module includes 1300nmVCSEL, temperature controller, current controller；
Control and analysis test module, it includes spectrometer, real-time oscilloscope, light power meter；
It is connected inside analysis and Control modular computer by Labview softwares with other each modules and realizes control, together
When, computer is connected also by data collecting card with each analytical instrument in the module, thus can realize to external disturbance
The real-time control of signal generator module and the parameter of VCSEL photon nerve modules, while can realize to photon nerve output
The collection and analysis of spiking signals.
The present invention has advantages below：
1st, this spiking signal transmission structures can be obtained than biology using 1300 nm VCSEL as photon neural model
The spiking signals of the fast at least eight magnitude of neural response.
2nd, this spiking signal transmission structures use 1300 nm VCSEL as photon neural model, can be outer by controlling
Mismatching angle between intensity, signal duration and the disturbing signal and VCSEL output signals of portion's disturbing signal effectively suppresses light
The spiking signals of sub- nerve excitation.
3rd, this spiking signal transmission structures use mutual coupling structure, and the spiking suppressed between two photon nerves can be achieved
The transmitted in both directions of signal, realize the interaction of information between two neurons.
4th, the operation wavelength for the VCSEL that this spiking signal transmission structures use, can be with existing fiber system for 1300nm
Compatibility, be advantageous to promote the practicalization of VCSEL photons nerve.
5th, this spiking signal transmission structures using 1300 nm VCSEL be used as photon neural model, with cost it is low,
The features such as energy consumption is small, be advantageous to build photon neutral net.
6. a spiking signal transmission structure is advantageous to explore the association of information transmission between each neuron in neutral net
Property, provide theory and technology support to build the neural network structure based on VCSELs photons nerve.
Brief description of the drawings
Fig. 1 is the structured flowchart of the present invention；
Fig. 2 is the specific operation principle block diagram of whole system.
In figure：1- tunable lasers I, 2- Polarization Controllers I, 3- signal generators I, 4- Mach-Zehnder modulators I,
5- Polarization Controllers II, 6- isolators 1,7- couplers I, 8- current controllers I, 9- temperature controllers I, 10-VCSEL I, 11-
Polarization Controller III, 12- couplers II, 13- adjustable attenuators, 14- tunable lasers II, 15- Polarization Controllers V, 16- horses
Conspicuous-Zeng Deer modulators II, 17- signal generators II, 18- Polarization Controllers IV, 19- isolators II, 20- couplers II, 21-
VCSEL II, 22- temperature controllers II, 23- current controllers II, 24- spectrometers, 25- real-time oscilloscopes, 26- luminous powers
Meter, 27- data analysis modules, 28- control to adjust module.
Embodiment
To make the purpose of the present invention, organization plan and advantage clearer, the organization plan in the present invention is carried out below
Clearly and completely describe, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
The transmission structure of controllable suppression spiking signals is substantially former between a kind of two mutual coupling VCSELs photon nerves
Reason：
Being continuously injected into light first with outside makes first VCSEL photon be operated in continuous spiking workspaces, so
External disturbance signal, intensity and duration by control disturbance signal, the VCSEL photons are added in light is continuously injected into afterwards
Spikes signals caused by nerve are totally constrained in whole external disturbance signal workspace.This VCSEL photon nerve produces
Quenchable spikes signals be injected into second VCSEL photon nerve, by the intensity, the off resonance that suitably adjust injection light
Amount and polarization state can make second VCSEL photon nerve produce with it is quenchable as first VCSEL photon neural class
Spikes signals.Because the system uses the symmetrical structure of mutual coupling, thus it is similar with first VCSEL photon nerve, second
VCSEL photons nerve can also produce quenchable spikes signals under the effect of outside disturbing signal, and this signal is injected into
First VCSEL photons nerve can be equally set to obtain quenchable spikes signals after first VCSEL photon nerve.Thus
It can be seen that the transmitted in both directions of spiking signals suppressed can be achieved between two VCSEL photon nerves.
As shown in Figure 1-2：
Embodiment 1：The first working method of the present invention：
The transmission structure of controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves, it includes outer
Portion's disturbing signal generation module, VCSEL photon nerves module, control and analysis test module；
Described external disturbance signal generator module include tunable laser, Polarization Controller, signal generator, Mach-
Zeng Deer modulators, isolator, described VCSEL photon nerves module include VCSEL, temperature controller, current controller；
The optical signal that tunable laser I 1 occurs passes through Polarization Controller I 2, Mach-Zehnder modulators I 4, Polarization Control
Device II 5, isolator I 6, coupler I 7 inject VCSEL I 10, and adjust current controller I 8, so as to control VCSEL's I 10
Size of current, regulation temperature controller I 9 make VCSEL I 10 produce continuous spiking letters so as to control VCSEL I 10 temperature
Number, Regulate signal generator I 3, Mach-Zehnder modulators I 4 are controlled, so as to adjust the intensity of external disturbance signal and continue
Time, reach spikes signals caused by VCSEL photon nerves and be totally constrained in whole external disturbance signal workspace；
Meanwhile optical signal caused by VCSEL I 10 passes through coupler I 7, Polarization Controller III 11, coupler II 12, adjustable
Attenuator 13, coupler III 20 inject VCSEL II 21, by adjusting adjustable attenuator 13, current controller II22 and temperature control
Device II23 processed, so that VCSEL II 21 is produced and quenchable spikes signals as first photon neural class of VCSEL I 10.
The control mode of the embodiment of the present invention 1, which is adopted, computerizeds control, and computer-internal includes the He of data analysis module 27
Module 28 is controlled to adjust, computer gathers the data of spectrometer 24, real-time oscilloscope 25, light power meter 26 by data collecting card
Information.
Because coupler I 7, coupler II 12, coupler III 20 are connected with the optical signal of spectrometer 24 respectively, coupler I 7,
Coupler II 12, coupler III 20 are connected with the optical signal of real-time oscilloscope 25 respectively, coupler I 7, coupler II 12, coupler
III 20 are connected with the optical signal of light power meter 26 respectively, and computer can obtain the basic of two VCSELs photon neural output signals
Information.
And computer is further through data collecting card and tunable laser I 1, signal generator II 3, current controller I 8, temperature
Spend controller I 9 to be connected, the basic parameter of each module can be learnt again, mould is controlled by the Labview softwares management of computer-internal
Block, you can spikes signals caused by regulation realization are totally constrained in whole external disturbance signal workspace.
Second of working method of the present invention of embodiment 2：
Tunable laser II 14 occur optical signal by Polarization Controller V 15, Mach-Zeng Deer modulators II 16,
Polarization Controller IV 18, isolator II 19, coupler II 20 inject VCSEL II 21, Regulate signal generator II 17, pass through control
Mach-Zehnder modulators II 16 processed, so as to adjust the intensity of external disturbance signal and duration, adjust current controller II
23, so as to adjust current control VCSEL II 21 size of current, adjust temperature controller II 22, so as to control temperature adjustment
VCSEL II 21 temperature height, reaching makes VCSEL II 21 produce what is be totally constrained in outside disturbing signal workspace
Spikes signals；
Similarly, optical signal caused by VCSEL II 21 passes through coupler II 20, adjustable attenuator 13, coupler II 12, coupling
Device I 7 injects VCSEL I 10, by adjusting adjustable attenuator 13, regulation current controller I8, adjusts temperature controller I9, so as to
VCSEL I 10 is set to produce and quenchable spikes signals as II 21 first photon neural class of VCSEL.
Ibid, the control way to manage of embodiment 2 is identical with embodiment 1
The control mode of the embodiment of the present invention 2, which is adopted, computerizeds control, and computer-internal includes the He of data analysis module 27
Module 28 is controlled to adjust, computer gathers the data of spectrometer 24, real-time oscilloscope 25, light power meter 26 by data collecting card
Information.
Because coupler I 7, coupler II 12, coupler III 20 are connected with the optical signal of spectrometer 24 respectively, coupler I 7,
Coupler II 12, coupler III 20 are connected with the optical signal of real-time oscilloscope 25 respectively, coupler I 7, coupler II 12, coupler
III 20 are connected with the optical signal of light power meter 26 respectively, and computer can obtain the basic of two VCSELs photon neural output signals
Information.
And computer is further through data collecting card and tunable laser II 14, signal generator II 17, temperature controller II
22nd, current controller II 23 is connected, and can learn the pre-set parameter of each module again, pass through the Labview softwares of computer-internal
Management control module, you can spikes signals caused by regulation realization are totally constrained in whole external disturbance signal workspace.
The structure of the present invention：
The transmission structure of controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves, it includes outer
Portion's disturbing signal generation module, VCSEL photon nerves module, control and analysis test module；
Described external disturbance signal generator module include tunable laser, Polarization Controller, signal generator, Mach-
Zeng Deer modulators, isolator, described VCSEL photon nerves module include VCSEL, temperature controller, current controller；
The optical signal that tunable laser I 1 occurs is connected with the optical signal of Polarization Controller I 2, Polarization Controller I 2 and Mach-
The optical signal of Zeng Deer modulators I 4 is connected, and Mach-Zehnder modulators I 4 are connected with the optical signal of Polarization Controller II 5, polarization control
Device II 5 processed is connected with the optical signal of isolator I 6, isolator I 6 is connected with the optical signal of coupler I 7, coupler I 7 and the light of VCSEL I 10
Signal is connected, and signal generator I 3 is connected with the electric signal of Mach-Zehnder modulators I 4, the electricity of current controller I 8 and VCSEL I 10
Signal connection, temperature controller I 9 are connected with the electric signals of VCSEL I 10；
The optical signal that tunable laser II 14 occurs is connected with the signal of Polarization Controller V 15, Polarization Controller V 15 and horse
The conspicuous optical signal of-Zeng Deer modulators II 16 connection, Mach-Zehnder modulators II 16 connect with the optical signal of Polarization Controller IV 18
Connect, Polarization Controller IV 18 is connected with the optical signal of isolator II 19, and isolator II 19 is connected with the optical signal of coupler II 20, coupling
Clutch II 20 is connected with the optical signals of VCSEL II 21, the electric signal phase of signal generator II 17 and Mach-Zeng Deer modulators II 16
Even, current controller II 23 is connected with the electric signals of VCSEL II 21, and temperature controller II 22 is connected with the electric signals of VCSEL II 21；
Coupler I 7 is connected with the optical signal of Polarization Controller III 11, Polarization Controller III 11 and the optical signal of coupler II 12
It is connected, coupler II 12 is connected with the optical signal of adjustable attenuator 13, and adjustable attenuator 13 is connected with the optical signal of coupler III 20.
Further, in addition to test module is controlled and analyzes, it includes spectrometer 24, real-time oscilloscope 25, luminous power
Meter 26；
Coupler I 7, coupler II 12, coupler III 20 are connected with the optical signal of spectrometer 24 respectively, coupler I 7, coupling
Device II 12, coupler III 20 are connected with the optical signal of real-time oscilloscope 25 respectively, coupler I 7, coupler II 12, coupler III 20
It is connected respectively with the optical signal of light power meter 26, spectrometer 24, real-time oscilloscope 25, light power meter 26 pass through data collecting card point
It is not connected with being provided with data analysis module 27 and controlling to adjust the computer of module 28, and the Labv for passing through computer-internal
I ew realize control.
Further, described tunable laser I 1, signal generator II 3, current controller I 8, temperature controller I 9,
Tunable laser II 14, signal generator II 17, temperature controller II 22, current controller II 23 pass through data collecting card and peace
It is connected equipped with data analysis module 27 with the computer for controlling to adjust module 28, the Labview software controls that computer passes through inside
Tubulation manages the parameter setting of each part mentioned above, so as to realize the control to system and the analysis of experimental data.
Further, described VCSEL I 10, the wavelength of VCSEL II 21 are 1300nm.
Finally it should be noted that：Above example is only to illustrate the organization plan of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the organization plan described in foregoing embodiments, or equivalent substitution is carried out to which part architectural feature；
And these modification or replace, do not make corresponding construction scheme essence depart from various embodiments of the present invention organization plan spirit and
Scope.
Claims (4)
- A kind of 1. transmission structure of controllable suppression spiking signals between two mutual coupling VCSELs photon nerves, it is characterised in that It includes external disturbance signal generator module, VCSEL photon nerves module, control and analysis test module；Described external disturbance signal generator module includes tunable laser, Polarization Controller, signal generator, Mach-Zehnder That modulator, isolator, described VCSEL photon nerves module include VCSEL, temperature controller, current controller；The optical signal that tunable laser I (1) occurs is connected with Polarization Controller I (2) optical signal, Polarization Controller I (2) and horse Conspicuous (4) optical signal of-Zeng Deer modulators I is connected, Mach-Zehnder modulators I (4) and Polarization Controller II (5) optical signal phase Even, Polarization Controller II (5) is connected with isolator I (6) optical signal, isolator I (6) is connected with coupler I (7) optical signal, coupling Clutch I (7) is connected with VCSEL I (10) optical signal, signal generator I (3) and Mach-Zehnder modulators I (4) electric signal phase Even, current controller I (8) is connected with VCSEL I (10) electric signal, and temperature controller I (9) is connected with VCSEL I (10) electric signal；The optical signal that tunable laser II (14) occurs is connected with Polarization Controller V (15) optical signal, Polarization Controller V (15) It is connected with Mach-Zehnder modulators II (16) optical signal, Mach-Zehnder modulators II (16) and Polarization Controller IV (18) Optical signal is connected, and Polarization Controller IV (18) is connected with isolator II (19) optical signal, isolator II (19) and coupler II (20) optical signal is connected, and coupler II (20) is connected with VCSEL II (21) optical signal, and signal generator II (17) and Mach-once Dare modulator II (16) electric signal is connected, and current controller II (23) is connected with VCSEL II (21) electric signal, temperature controller II (22) are connected with VCSEL II (21) electric signal；Coupler I (7) is connected with Polarization Controller III (11) optical signal, and Polarization Controller III (11) is believed with coupler II (12) light Number it is connected, coupler II (12) is connected with adjustable attenuator (13) optical signal, adjustable attenuator (13) and coupler III (20) light Signal is connected.
- 2. controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves according to claim 1 Transmission structure, it is characterised in that also include control and analysis test module, it include spectrometer (24), real-time oscilloscope (25), Light power meter (26)；Coupler I (7), coupler II (12), coupler III (20) are connected with spectrometer (24) optical signal respectively, coupler I (7), coupler II (12), coupler III (20) are connected with real-time oscilloscope (25) optical signal respectively, coupler I (7), coupler II (12), coupler III (20) are connected with light power meter (26) optical signal respectively, spectrometer (24), real-time oscilloscope (25), light Power meter (26) is by data collecting card respectively with being provided with data analysis module (27) and controlling to adjust the calculating of module (28) Machine is connected, and realizes control by the Labview of computer-internal.
- 3. controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves according to claim 1 Transmission structure, it is characterised in that described tunable laser I (1), signal generator II (3), current controller I (8), temperature Controller I (9), tunable laser II (14), signal generator II (17), temperature controller II (22), current controller II (23) it is connected by data collecting card with being provided with data analysis module (27) and controlling to adjust the computer of module (28), is calculated The parameter setting for the Labview softwares control management each part mentioned above that machine passes through inside, so as to realize control and the reality to system Test the analysis of data.
- 4. controllable suppression spiking signals between a kind of two mutual coupling VCSELs photon nerves according to claim 1 Transmission structure, described VCSEL I (10), VCSEL II (21) wavelength are 1300nm.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110430485A (en) * | 2019-06-29 | 2019-11-08 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | VCSEL bandwidth response diagnostic assessment model optimization and method for solving |
| CN110794635A (en) * | 2018-08-01 | 2020-02-14 | 西安电子科技大学 | Low-power-consumption optical synapse device based on vertical cavity semiconductor optical amplifier |
| CN111291881A (en) * | 2020-03-05 | 2020-06-16 | 西南大学 | Mode identification device and method based on cascade VCSELs photonic nerves |
| CN111348611A (en) * | 2020-03-10 | 2020-06-30 | 西南大学 | Neuron-like optical pulse output system based on silicon-based microcavity |
| CN112767501A (en) * | 2021-01-06 | 2021-05-07 | 西南大学 | VCSEL-SA image identification system and method based on electric control stimulation |
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| CN111291881A (en) * | 2020-03-05 | 2020-06-16 | 西南大学 | Mode identification device and method based on cascade VCSELs photonic nerves |
| CN111291881B (en) * | 2020-03-05 | 2022-10-18 | 西南大学 | Mode identification device and method based on cascade VCSELs photonic nerves |
| CN111348611A (en) * | 2020-03-10 | 2020-06-30 | 西南大学 | Neuron-like optical pulse output system based on silicon-based microcavity |
| CN111348611B (en) * | 2020-03-10 | 2023-05-09 | 西南大学 | Silicon-based microcavity-based neuron-like light pulse output system |
| CN112767501A (en) * | 2021-01-06 | 2021-05-07 | 西南大学 | VCSEL-SA image identification system and method based on electric control stimulation |
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