CN111969405B - Light beam chaos synchronization control method based on self-feedback transverse coupling laser - Google Patents
Light beam chaos synchronization control method based on self-feedback transverse coupling laser Download PDFInfo
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Abstract
The application relates to a light beam chaotic synchronization control method based on a self-feedback transverse coupling laser, which comprises the following steps: injecting the laser array which carries out self-feedback through the plane mirror into a driving transverse coupling laser, and outputting an incident beam; and injecting the incident light beam into a response transverse coupling laser, controlling the injection mode of the incident light beam injected into the response transverse coupling laser, and acquiring the emergent light beam output from the response transverse coupling laser, so that the incident light beam and the emergent light beam are completely chaotic and synchronous. By the method, the injection mode of the injected light beam injected into the response transverse coupling laser is controlled, and the high-quality complete chaotic synchronous control of all laser elements can be realized under different self-feedback conditions for driving the transverse coupling laser.
Description
Technical Field
The application relates to the field of optics, in particular to a light beam chaotic synchronization control method based on a self-feedback transverse coupling laser.
Background
At present, people focus on the research on one-dimensional transverse laser arrays on different types of chaotic synchronization between two single lasers which are coupled in a one-way mode and between the two single lasers which are coupled with each other, such as complete synchronization, generalized synchronization, real-time synchronization and lead/lag synchronization, the one-dimensional transverse laser arrays have the advantages of high power and enhanced modulation bandwidth, and more controllable parameters, such as waveguide structure parameters, waveguide frequency and coupling coefficients between two laser elements, are provided. However, when the one-dimensional transverse laser coupling array is subjected to external disturbance such as optical feedback, optical injection and the like, the transverse coupling lasers show complex and abundant chaotic dynamics in different control parameter spaces. Therefore, in a master-slave structure based on a one-dimensional transverse laser array with optical feedback, the chaotic synchronization mechanism between different coupled lasers is not clear. Under different control parameters, when light responding to a laser array and light driving the array are injected in parallel or in a cross mode, the type, conditions, dynamics evolution and unique characteristics of chaotic synchronization need to be further researched, and due to the fact that clear chaotic synchronization control needs to be conducted on chaotic synchronization phenomena among different coupling lasers in the fields of multi-channel secret communication, complex neural networks, multi-target laser radar synchronous ranging and the like, further technical innovation is needed for a chaotic synchronization control method among different coupling lasers.
Disclosure of Invention
Therefore, it is necessary to provide a light beam chaotic synchronization control method based on a self-feedback transverse coupling laser to clearly show a chaotic synchronization control mechanism between different coupled lasers in order to solve the above technical problems.
The embodiment of the invention provides a light beam chaotic synchronization control method based on a self-feedback transverse coupling laser, which comprises the following steps:
injecting the laser array which carries out self-feedback through the plane mirror into a driving transverse coupling laser, and outputting an incident beam;
and injecting the incident light beam into a response transverse coupling laser, controlling the injection mode of the incident light beam injected into the response transverse coupling laser, and acquiring the emergent light beam output from the response transverse coupling laser, so that the incident light beam and the emergent light beam are completely chaotic and synchronous.
Further, the laser array which carries out self feedback through the plane mirror is injected into a driving transverse coupling laser to obtain an incident beam output from the driving transverse coupling laser; the method comprises the following steps:
the laser array which is subjected to self feedback through the plane mirror passes through a first neutral density filter to adjust the illumination intensity of the laser array;
injecting the adjusted laser array into the driving transverse coupling laser, and enabling an incident beam output from the driving transverse coupling laser to pass through an optical isolation plate to obtain the incident beam output from the optical isolation plate.
Further, the incident light beam is injected into the response transverse coupling laser, the injection mode of the incident light beam into the response transverse coupling laser is controlled, and the emergent light beam output from the response transverse coupling laser is obtained, so that the incident light beam and the emergent light beam are completely chaotic and synchronous; the method comprises the following steps:
transmitting the incident light beam through an optical fiber, and separating the incident light beam through an optical fiber beam splitter to obtain a first incident light beam and a second incident light beam;
adjusting the illumination intensity of the second incident light beam through a second neutral density filter;
changing the injection mode of the adjusted second incident light beam injected into the response transverse coupling laser through a light direction controllable switch;
and projecting an emergent light beam output from the response transverse coupling laser into an oscilloscope after passing through a light detector, so that the first emergent light beam and the emergent light beam are in complete chaotic synchronization.
Further, the adjusted second incident light beam passes through a light direction controllable switch, and the injection mode of the second incident light beam injected into the response transverse coupling laser is changed; the method comprises the following steps:
enabling the adjusted second incident light beam to pass through a light direction controllable switch;
when the light direction controllable switch is turned off, the second incident light beam injected into the response transverse coupling laser is injected in parallel; when the ray direction controllable switch is turned on, the second injected beam injected into the responding transversal coupled laser is a cross injection.
Further, the driving transverse coupling laser and the responding transverse coupling laser are provided with three same laser waveguides; the driving transverse coupling laser comprises a first driving laser waveguide, a second driving laser waveguide and a third driving laser waveguide, wherein the first driving laser waveguide is positioned between the second driving laser waveguide and the third driving laser waveguide; the response transverse coupling laser comprises a first response laser waveguide, a second response laser waveguide and a third response laser waveguide, wherein the first response laser waveguide is positioned between the second response laser waveguide and the third response laser waveguide;
when the laser array is injected into the response transverse coupling laser, only the first driven laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Further, when the laser array is injected into the responsive laterally coupled laser, only the second driven laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Further, when the laser array is injected into the responsive laterally coupled laser, only the third driven laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Further, when the laser array is injected into the response transverse coupling laser, the second driving laser waveguide and the third driving laser waveguide have self-feedback simultaneously; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are completely chaotic and synchronous.
Further, when the laser array is injected into the transverse coupling laser, the first driving laser waveguide, the second driving laser waveguide and the third driving laser waveguide simultaneously have self-feedback; and when the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaotic synchronization.
Further, when the laser array is injected into the response transverse coupling laser, the first driving laser waveguide, the second driving laser waveguide and the third driving laser waveguide simultaneously have self-feedback; and the second incident beam injected into the response transverse coupling laser is cross-injected, the second incident beam corresponding to the first drive laser waveguide is cross-injected into the second response laser waveguide as a drive signal, the second incident beam corresponding to the second drive laser waveguide is cross-injected into the first response laser waveguide as a drive signal, and when the second incident beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident beam and the emergent beam are completely chaotic and synchronous in lead/lag.
According to the light beam chaotic synchronization control method based on the self-feedback transverse coupling laser, a laser array which carries out self-feedback through a plane mirror is injected into a driving transverse coupling laser, and an incident light beam is output; and injecting the incident light beam into a response transverse coupling laser, controlling the injection mode of the incident light beam injected into the response transverse coupling laser, and acquiring the emergent light beam output from the response transverse coupling laser, so that the incident light beam and the emergent light beam are completely chaotic and synchronous. By the method, the injection mode of injecting the injected light beam into the response transverse coupling laser is controlled, high-quality complete chaotic synchronization of all laser elements can be realized under different self-feedback conditions for driving the transverse coupling laser, mirror symmetry of in-phase (anti-phase) lag chaotic synchronization and in-phase (anti-phase) lead chaotic synchronization is realized, and the research direction of chaotic synchronization control between different coupling lasers in the fields of multichannel secret communication, complex neural networks, multi-target laser radar synchronous ranging and the like is remarkably improved.
Drawings
Fig. 1 is a schematic diagram of a master-slave structure of a self-feedback-based lateral coupling laser according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a light beam chaotic synchronization control method based on a self-feedback transverse coupling laser according to an embodiment of the present invention;
FIG. 3 is a schematic flow chart of acquiring an incident beam according to an embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating a process of controlling complete chaotic synchronization of an incident light beam and an emergent light beam according to an embodiment of the present invention;
fig. 5 is a schematic flow chart of a method for responding to different injection modes of a laterally coupled laser according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The light beam chaotic synchronization control method based on the self-feedback transverse coupling laser can be applied to the master and the slave shown in figure 1In the structure schematic diagram. Among them, TLC-SL1And TLC-SL2Controlling the light intensity using Neutral Density Filters (NDF) of subscripts 1-6 for the driving and responding laterally coupled lasers, respectively; PD1 to PD6 respectively represent photodetectors; i S1 to I S3 each represent an optical isolator plate; COS is a controllable optical switch used for controlling the injection mode of TLC-SL2, such as parallel injection and cross injection, and under the structure, chaotic synchronization between laser elements under the parallel injection and the cross injection can be observed through oscilloscopes (OS1, OS2 and OS 3). In addition, the driving transverse coupling laser and the response transverse coupling laser are provided with three same laser waveguides; the driving transverse coupling laser comprises a first driving laser waveguide, a second driving laser waveguide and a third driving laser waveguide which are respectively arranged on a TLC-SL (thin layer chromatography-liquid chromatography-solid phase shift) shown in figure 11Represented by center A, B, C, the first driver laser waveguide being intermediate the second and third driver laser waveguides; the response transverse coupling laser comprises a first response laser waveguide, a second response laser waveguide and a third response laser waveguide which are respectively arranged on a TLC-SL (thin layer chromatography-liquid chromatography-solid phase shift) of figure 12Is indicated by A, B, C, the first responsive laser waveguide is located intermediate the second responsive laser waveguide and the third responsive laser waveguide.
In one embodiment, as shown in fig. 2, there is provided a beam chaotic synchronization control method based on a self-feedback transverse coupling laser, including the following steps:
and 102, injecting the incident light beam into a response transverse coupling laser, controlling the injection mode of the incident light beam into the response transverse coupling laser, and acquiring an emergent light beam output from the response transverse coupling laser, so that the incident light beam and the emergent light beam are completely chaotic and synchronous.
In particular, in a parallel-injection responsive laser array, the fully chaotic synchronization characteristic between the driving and responding laterally coupled lasers is heavily dependent on the self-feedback mode of the driving laterally coupled lasers, e.g., one, two, and all with self-feedback. When only one or two driving side lasers carry out self-feedback, high-quality complete chaotic synchronization can be realized in a larger parameter space. However, for two or one non-driven transverse coupled laser without self-feedback, high quality perfect chaotic synchronization occurs in a relatively narrow parameter space. Besides laser self-feedback, self-feedback driving of the laser in a large delay space can be realized. When all the driving transverse coupling lasers are in a self-feedback state, high-quality complete chaotic synchronization can be simultaneously realized in the same large area of all parameter spaces under the induction of a low coupling coefficient. It is particularly noted that when the driving transverse coupling lasers are all self-feedback and the response transverse coupling lasers are cross injection, high-quality lead/lag chaotic synchronization among laser elements is periodically changed along with delay difference within a certain range limited by key parameters. These synchronized variation tracks look like periodic sine waves. High quality in-phase and anti-phase lag synchronization is mirror symmetric to in-phase and anti-phase lead synchronization, respectively. By controlling some key parameters, the lead/lag chaotic synchronization of one side laser can realize the anti-symmetry of in-phase and anti-phase. In addition, for the symmetrical two-side laser, the lead/lag chaotic synchronization can achieve the anti-symmetry of the same phase and the opposite phase. The chaotic synchronization characteristic control method based on the three transverse coupling semiconductor lasers provides wide application prospects for the fields of multi-channel secret communication, complex neural networks, multi-target laser radar synchronous ranging and the like.
In one embodiment, as shown in fig. 3, a schematic flow chart of a beam chaotic synchronization control method based on a self-feedback transverse coupling laser is provided, which includes the following steps:
and 1013, enabling the laser array output by the driving transverse coupling laser to pass through an optical isolation plate, and outputting the incident light beam from the optical isolation plate.
In one embodiment, as shown in fig. 4, there is provided a flow chart for controlling the complete chaotic synchronization of the incident light beam and the emergent light beam, comprising the following steps:
1023, changing the injection mode of the adjusted second incident light beam into the response transverse coupling laser through a light direction controllable switch;
and step 1024, projecting the emergent light beam output from the response transverse coupling laser into an oscilloscope after passing through a light detector, so that the first emergent light beam and the emergent light beam are completely chaotic and synchronous.
In one embodiment, as shown in fig. 5, a flow diagram responsive to different injection modes of a laterally coupled laser is provided, comprising the steps of:
Preferably, only the first driven laser waveguide has self-feedback when the laser array is injected into the responsive laterally coupled laser; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Preferably, only the second driven laser waveguide has self-feedback when the laser array is injected into the responsive laterally coupled laser; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Preferably, only the third driven laser waveguide has self-feedback when the laser array is injected into the responsive laterally coupled laser; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
Preferably, when said laser array is injected into said responsive laterally coupled laser, said second and third driven laser waveguides have self-feedback simultaneously; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are completely chaotic and synchronous.
Preferably, when the laser array is injected into the lateral coupling laser, the first driving laser waveguide, the second driving laser waveguide and the third driving laser waveguide have self-feedback at the same time; and when the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaotic synchronization.
In the case of parallel injection, the fully chaotic synchronization characteristic between the driving and responding transversely coupled lasers is heavily dependent on their self-feedback modes. When only one of the drive-side lasers is self-fed back and its corresponding responsive transversely-coupled laser is driven by direct injection, a relatively large parameter space can induce its high quality complete chaotic synchronization. But for the other two non-driven laser elements, the high-quality complete chaotic synchronization of the two non-driven laser elements occurs in a narrow parameter space, and stricter parameter values are needed. If only two driving side lasers are subjected to self feedback and the corresponding response side lasers are driven by direct injection, high-quality complete chaotic synchronization can be realized in a large parameter space. But for the undriven intermediate laser, its high quality of complete chaotic synchronization occurs in a relatively narrow parameter space. In the case of directly injecting only the intermediate laser with self-feedback and the corresponding response transverse coupling laser, the laser can realize high-quality complete chaotic synchronization in the large parameter space of self-feedback delay and transmission delay. The bilateral laser can obtain high-quality complete chaotic synchronization in a narrow parameter space of self-feedback delay and transmission delay. However, in other parameter spaces, the three lasers simultaneously generate high-quality complete chaotic synchronization in the same region. When all the driving transverse coupling lasers are self-feedback and directly drive the corresponding response transverse coupling lasers, high-quality complete chaotic synchronization can be simultaneously realized in the same region of all parameter spaces under the induction of a low coupling coefficient.
Preferably, when the laser array is injected into the lateral coupling laser, the first driving laser waveguide, the second driving laser waveguide and the third driving laser waveguide have self-feedback at the same time; and the second incident beam injected into the response transverse coupling laser is cross-injected, the second incident beam corresponding to the first drive laser waveguide is cross-injected into the second response laser waveguide as a drive signal, the second incident beam corresponding to the second drive laser waveguide is cross-injected into the first response laser waveguide as a drive signal, and when the second incident beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident beam and the emergent beam are completely chaotic and synchronous in lead/lag. The asymmetry between the driving laterally coupled laser and the responding laterally coupled laser due to the cross-injection can be eliminated by the coupling between the three laser elements. The coupling between the laser elements causes a periodic variation of the synchronization solution. The trace of the change in the synchronization quality appears as a periodic sine wave, indicating that in lead/lag chaotic synchronization, the in-phase and the out-of-phase are periodic and alternate. It is worth noting that under the action of the above different key parameters, the periodic wave curve of the lag chaotic synchronization quality and the periodic wave curve of the lead synchronization quality are mirror-symmetrical, and the result shows that the in-phase and reverse-phase lag synchronization with high quality are also mirror-symmetrical with the in-phase and reverse-phase lead synchronization respectively.
It should be understood that, although the steps in the above-described flowcharts are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in the above-described flowcharts may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the sub-steps or the stages is not necessarily sequential, but may be performed alternately or alternatingly with other steps or at least a portion of the sub-steps or stages of other steps.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. A light beam chaos synchronization control method based on a self-feedback transverse coupling laser is characterized by comprising the following steps:
injecting the laser array which carries out self-feedback through the plane mirror into a driving transverse coupling laser, and outputting an incident beam;
injecting the incident beam into a response transverse coupling laser, controlling an injection mode of the incident beam injected into the response transverse coupling laser, and acquiring an emergent beam output from the response transverse coupling laser, so that the incident beam and the emergent beam are completely chaotic and synchronous, specifically comprising:
transmitting the incident light beam through an optical fiber, and separating the incident light beam through an optical fiber beam splitter to obtain a first incident light beam and a second incident light beam;
adjusting the illumination intensity of the second incident light beam through a second neutral density filter;
changing the injection mode of the adjusted second incident light beam injected into the response transverse coupling laser through a light direction controllable switch;
projecting an emergent light beam output from the response transverse coupling laser into an oscilloscope after passing through a light detector so that the first emergent light beam and the emergent light beam are in complete chaotic synchronization;
wherein, the changing of the injection mode of the adjusted second incident beam into the response transversal coupling laser through the controllable switch of the light direction specifically includes:
enabling the adjusted second incident light beam to pass through a light direction controllable switch;
when the light direction controllable switch is turned off, the second incident light beam injected into the response transverse coupling laser is injected in parallel;
when the ray direction controllable switch is turned on, the second injected beam injected into the responding transversal coupled laser is a cross injection.
2. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device as claimed in claim 1, wherein the laser array which is self-fed by the plane mirror is injected into the driving transverse coupling laser device to output an incident beam; the method comprises the following steps:
enabling the laser array subjected to self feedback through the plane mirror to pass through a first neutral density filter, and adjusting the illumination intensity of the laser array;
injecting the adjusted laser array into the driving transverse coupling laser;
and enabling the laser array which drives the output of the transverse coupling laser to pass through an optical isolation plate, and outputting the incident light beam from the optical isolation plate.
3. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 1,
the driving transverse coupling laser and the response transverse coupling laser are respectively provided with three same laser waveguides; the driving transverse coupling laser comprises a first driving laser waveguide, a second driving laser waveguide and a third driving laser waveguide, wherein the first driving laser waveguide is positioned between the second driving laser waveguide and the third driving laser waveguide; the response transverse coupling laser comprises a first response laser waveguide, a second response laser waveguide and a third response laser waveguide, wherein the first response laser waveguide is positioned between the second response laser waveguide and the third response laser waveguide;
when the laser array is injected into the response transverse coupling laser, only the first driven laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
4. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 3,
when the laser array is injected into the response transverse coupling laser, only the second drive laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
5. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 3,
when the laser array is injected into the response transverse coupling laser, only the third driven laser waveguide has self-feedback; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaos synchronization.
6. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 3,
when the laser array is injected into the transverse coupling laser, the second driving laser waveguide and the third driving laser waveguide have self-feedback simultaneously; and the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are completely chaotic and synchronous.
7. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 3,
when the laser array is injected into the response transverse coupling laser, the first drive laser waveguide, the second drive laser waveguide and the third drive laser waveguide have self-feedback at the same time; and when the second incident light beam injected into the response transverse coupling laser is injected in parallel, the second incident light beam corresponding to the first drive laser waveguide is injected into the first response laser waveguide as a drive signal, the second incident light beam corresponding to the second drive laser waveguide is injected into the second response laser waveguide as a drive signal, and when the second incident light beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident light beam and the emergent light beam are in complete chaotic synchronization.
8. The beam chaotic synchronization control method based on the self-feedback transverse coupling laser device according to claim 3,
when the laser array is injected into the response transverse coupling laser, the first drive laser waveguide, the second drive laser waveguide and the third drive laser waveguide have self-feedback at the same time; and the second incident beam injected into the response transverse coupling laser is cross-injected, the second incident beam corresponding to the first drive laser waveguide is cross-injected into the second response laser waveguide as a drive signal, the second incident beam corresponding to the second drive laser waveguide is cross-injected into the first response laser waveguide as a drive signal, and when the second incident beam corresponding to the third drive laser waveguide is injected into the third response laser waveguide as a drive signal, the incident beam and the emergent beam are completely chaotic and synchronous in lead/lag.
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| 《半导体激光器混沌方式研究》;许黎;《激光与红外》;20160120;第46卷(第1期);全文 * |
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