CN114337837A - Wavelength programmable multifunctional microwave photon signal processing method - Google Patents
Wavelength programmable multifunctional microwave photon signal processing method Download PDFInfo
- Publication number
- CN114337837A CN114337837A CN202111421933.4A CN202111421933A CN114337837A CN 114337837 A CN114337837 A CN 114337837A CN 202111421933 A CN202111421933 A CN 202111421933A CN 114337837 A CN114337837 A CN 114337837A
- Authority
- CN
- China
- Prior art keywords
- wavelength
- signal processing
- optical
- chip
- microwave photon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims abstract description 105
- 230000006870 function Effects 0.000 claims abstract description 48
- 238000012545 processing Methods 0.000 claims abstract description 48
- 238000013461 design Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 32
- 238000005086 pumping Methods 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000011068 loading method Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000012827 research and development Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 239000005387 chalcogenide glass Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- -1 transition metal sulfides Chemical class 0.000 description 1
Images
Abstract
The invention discloses a wavelength programmable multifunctional microwave photon signal processing method, which is characterized in that various functional devices such as a code converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical decoder, an optical sampler and the like are prepared in parallel on a single chip, signal light fields with different wavelengths pass through different devices as required through arrayed waveguide gratings, and the wavelength programmable multifunctional microwave photon signal processing is realized through multi-chip cascade or single-chip time division multiplexing. The invention provides a feasible design scheme for a standardized microwave photon signal processing system, can execute various functions as required through the microwave photon signal processing chip with a unified structure, and provides an important solution scheme for the research and development of a microwave photon signal processing chip with programmable logic and software definition.
Description
Technical Field
The invention belongs to the interdisciplinary field of integrated optics, optical communication and microwave photonics, in particular to a method for switching signal light field transmission paths through a wavelength division multiplexing system and realizing free switching of multiple microwave photon signal processing functions by using a single integrated chip, and particularly relates to a wavelength programmable multifunctional microwave photon signal processing method, system and storage medium.
Background
The microwave photon signal processing system is a system for realizing electrical signal processing by an optical means, is mainly realized by a free space optical path or an all-fiber optical path, transmits an optical field carrying information in a free space or an optical fiber, and controls a photoelectric device to realize optical field regulation and control by an external circuit. However, the free space optical path and the all-fiber optical path have problems of large system size, poor stability, difficult coordination control, slow upgrading and updating rate, and the like, and are difficult to be applied in a large scale in an outdoor environment. More importantly, the design difficulty of the control circuit is seriously increased by the loosely coupled integration mode of all photoelectric devices.
The chip integrated microwave photon signal processing system has attracted much attention in recent years, and on one hand, the chip integrated microwave photon signal processing system benefits from the advantages of small volume, low power consumption, strong function, stable performance, batch preparation, integrated circuit board and the like, and on the other hand, the chip integrated optical circuit is highly compatible with the preparation process of the traditional chip integrated circuit, so that the photoelectric hybrid integrated chip is more and more a preferred technical scheme for large-scale application. At present, the processing of the chip integrated microwave photon signals still stays at the time level, and a system structure capable of integrating various devices into a system and realizing complex functions is lacked.
Disclosure of Invention
Based on the problems of the prior art, the technical problems to be solved by the invention are as follows: how to integrate a plurality of discrete devices on a single chip, each device can be adjusted and execute different functions by controlling voltage, a signal light field is transmitted along different paths and passes through different functional devices by controlling a nonlinear wavelength converter and a wavelength division multiplexer, and the flexible switching of the microwave photon signal processing function is realized by multi-chip cascade or single-chip multiplexing.
Aiming at the defects in the prior art, the invention aims to provide a wavelength programmable multifunctional microwave photon signal processing method, wherein a signal light field is input into a high nonlinear waveguide through a grating coupler, a pumping light field is bundled with a signal light field through the grating coupler and a directional coupler, the signal light field information is copied to an idler frequency light field, the free switching of the wavelength of the idler frequency light field is realized by adjusting the pumping wavelength, a plurality of devices are prepared and integrated on a single chip, the independent control and function realization of each device are realized through external bias voltage, the signal light fields with different wavelengths are guided to different optical paths through an arrayed waveguide grating, the signal light fields with different wavelengths are led out from the same port, and the processing of a certain type of freely switchable microwave photon signals is realized; by cascading a plurality of sets of chips or enabling signals to repeatedly pass through the same chip for a plurality of times, the hybrid multiplexing of various microwave photon signal processing functions is realized.
Preferably, the wavelength tunable idler optical field passes through the arrayed waveguide grating and passes through four different optical paths, including a high-speed phase modulator based on a two-dimensional layered material coating, an intensity modulator based on a Mach-Zehnder interferometer, a micro-ring filter and an RZ-NRZ transcoder, and a broadband filter based on a cascaded micro-ring cavity.
Preferably, the wavelength of the signal optical field can be flexibly switched by the nonlinear wavelength converter.
Preferably, the idler optical fields passing through the optical paths are acted by different functional devices to generate time domain or frequency domain changes and are output from the same port through the arrayed waveguide grating.
Preferably, one or more of a code pattern converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical inverse decoder, and an optical sampler are fabricated in parallel on a single chip.
Preferably, the method comprises:
s101, designing, preparing and independently controlling each functional device, preparing and integrating a plurality of devices on a single chip, and realizing independent control and function realization of each device through external bias voltage;
s102, designing, preparing and independently controlling a wavelength division multiplexing optical path, guiding signal optical fields with different wavelengths to different optical paths through an arrayed waveguide grating, and guiding the signal optical fields with different wavelengths out of the same port to realize a certain type of microwave photon signal processing function capable of being freely switched, wherein the wavelengths of the signal optical fields can be flexibly switched through a nonlinear wavelength converter;
s103, multiplexing chips, namely, realizing the hybrid multiplexing of various microwave photon signal processing functions by cascading a plurality of sets of chips or repeatedly passing signals through the same chip for a plurality of times.
Preferably, the method comprises:
s201, preparing waveguide structures of all devices through a standard preparation process of a chip integrated optical path, connecting all devices through a wavelength division multiplexing optical path, and preparing a grating coupler to lead a signal optical field and a pumping optical field with functions of nonlinear wavelength conversion and the like into or out of a chip;
s202, the nonlinear wavelength converter is tuned by changing the pumping wavelength, so that the optical fields of the incident arrayed waveguide grating can be transmitted to a specified path in sequence;
and S203, loading the digital logic control voltage to each device through an external circuit, and realizing the wavelength programmable multifunctional microwave photon signal processing system formed by combining different devices through multiple transmissions.
Preferably, the nonlinear wavelength converter is controlled to pump wavelength, so that the signal optical field passes through different functional devices on different optical paths once or multiple times, and the conversion from mathematical logic (input quantity) to specific functions (output quantity) of microwave photonic signal processing is realized according to the sequence of logic definition → bias voltage distribution → optical paths → different devices → combination of multiple functions after multiple passes.
A system for realizing the wavelength programmable multifunctional microwave photon signal processing method comprises a code type converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical code reverser, a cascade Mach-Zehnder interferometer, an intensity modulator, a micro-ring filter, an RZ-NRZ code converter, a functional device design preparation and independent control module, a wavelength division multiplexing optical path design preparation and independent control module and a chip multiplexing module, wherein,
the functional device design preparation and independent control module is used for preparing and integrating a plurality of devices on a single chip and realizing the independent control and function realization of each device through external bias voltage;
the wavelength division multiplexing optical path design preparation and independent control module is used for guiding signal optical fields with different wavelengths to different optical paths through the arrayed waveguide grating and guiding the signal optical fields with different wavelengths out of the same port, so that a certain type of microwave photon signal processing function capable of being freely switched is realized, and the wavelengths of the signal optical fields can be flexibly switched through the nonlinear wavelength converter;
and the chip multiplexing module is used for realizing the hybrid multiplexing of various microwave photon signal processing functions by cascading a plurality of sets of chips or enabling signals to repeatedly pass through the same chip.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the above-mentioned method.
A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the above-described method.
Compared with the prior art, the invention has the following advantages:
1. the invention prepares each device waveguide structure through the standard preparation technology of chip integrated optical circuit, and all devices are connected through wavelength division multiplexing optical paths such as array waveguide grating, and the prepared grating coupler leads a signal optical field and a pumping optical field with functions of nonlinear wavelength conversion and the like into or out of a chip;
2. the invention enables the light field of the incident array waveguide grating to be transmitted to a specified path in sequence by changing the pump wavelength and tuning the nonlinear wavelength converter;
3. the invention loads digital logic control voltage to each device through an external circuit, and realizes the wavelength programmable multifunctional microwave photon signal processing system formed by combining different devices through multiple transmissions.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram showing the working principle of the wavelength programmable multifunctional microwave photon signal processing of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in 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 invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The invention provides an embodiment of a wavelength programmable multifunctional microwave photon signal processing method.A signal light field is input into a high nonlinear waveguide through a grating coupler, a pumping light field is bundled with a signal light field through the grating coupler and a directional coupler, signal light field information is copied to an idler light field, free switching of the wavelength of the idler light field is realized by adjusting the pumping wavelength, a plurality of integrated devices are prepared on a single chip, independent control and function realization of each device are realized through external bias voltage, the signal light fields with different wavelengths are guided to different optical paths through an arrayed waveguide grating, the signal light fields with different wavelengths are led out from the same port, and certain type of microwave photon signal processing which can be freely switched is realized; by cascading a plurality of sets of chips or enabling signals to repeatedly pass through the same chip for a plurality of times, the hybrid multiplexing of various microwave photon signal processing functions is realized.
In some embodiments, the wavelength tunable idler optical field passes through an arrayed waveguide grating and through four different optical paths, including a two-dimensional layered material cladding based high-speed phase modulator, a mach-zehnder interferometer based intensity modulator, a micro-ring filter, and a RZ-NRZ transcoder, as well as cascaded micro-ring cavity based broadband filters.
In some embodiments, the wavelength of the signal optical field may be flexibly switched by a nonlinear wavelength converter.
In some embodiments, the idler optical fields passing through the individual optical paths are acted upon by different functional devices, producing time or frequency domain variations and output from the same port through the arrayed waveguide grating.
In some embodiments, one or more of a pattern converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical inverse decoder, and an optical sampler are fabricated in parallel on a single chip.
The invention provides an embodiment of a wavelength programmable multifunctional microwave photon signal processing method, which comprises the following steps:
s101, designing, preparing and independently controlling each functional device, preparing and integrating a plurality of devices on a single chip, and realizing independent control and function realization of each device through external bias voltage;
s102, designing, preparing and independently controlling a wavelength division multiplexing optical path, guiding signal optical fields with different wavelengths to different optical paths through an arrayed waveguide grating, and guiding the signal optical fields with different wavelengths out of the same port to realize a certain type of microwave photon signal processing function capable of being freely switched, wherein the wavelengths of the signal optical fields can be flexibly switched through a nonlinear wavelength converter;
s103, multiplexing chips, namely, realizing the hybrid multiplexing of various microwave photon signal processing functions by cascading a plurality of sets of chips or repeatedly passing signals through the same chip for a plurality of times.
The invention provides an embodiment of a wavelength programmable multifunctional microwave photon signal processing method, which comprises the following steps:
s201, preparing waveguide structures of all devices through a standard preparation process of a chip integrated optical path, connecting all devices through a wavelength division multiplexing optical path, and preparing a grating coupler to lead a signal optical field and a pumping optical field with functions of nonlinear wavelength conversion and the like into or out of a chip;
s202, the nonlinear wavelength converter is tuned by changing the pumping wavelength, so that the optical fields of the incident arrayed waveguide grating can be transmitted to a specified path in sequence;
and S203, loading the digital logic control voltage to each device through an external circuit, and realizing the wavelength programmable multifunctional microwave photon signal processing system formed by combining different devices through multiple transmissions.
As shown in fig. 1, an embodiment of a wavelength programmable multifunctional microwave photonic signal processing system architecture is shown: the signal light field is input into the high nonlinear waveguide through the grating coupler, the pumping light field is bundled with the signal light field through the grating coupler and the directional coupler, the signal light field information can be copied to the idler frequency light field by means of the four-wave mixing effect of the high nonlinear waveguide, and the free switching of the idler frequency light field wavelength can be realized by adjusting the pumping wavelength.
The wavelength tunable idler optical field passes through the arrayed waveguide grating and passes through four different optical paths, which are respectively:
(1) a high-speed phase modulator based on two-dimensional layered material coatings such as transition metal sulfides;
(2) an intensity modulator based on a mach-zehnder interferometer;
(3) a micro-loop filter and an RZ-NRZ transcoder;
(4) a broadband filter based on cascaded micro-ring cavities.
The idler optical field passing through each optical path is acted by different functional devices to generate time domain or frequency domain change and is output from the same port through the arrayed waveguide grating. In fig. 1, the external circuit at the bottom has 15 external electrodes, and the external electrodes from left to right are respectively No. 1-15 external electrodes. In the process, the accurate control of the No. 1-4 and No. 11-15 external electrodes can keep the output wavelength of the arrayed waveguide grating stable, and the No. 5-10 external electrodes control all functional devices.
In an embodiment, a chip multiplexing method includes:
(1) inputting a multi-wavelength signal light field through a signal grating, and synchronously passing through different optical paths and functional devices as required;
(2) transferring a signal light field to a plurality of idler light fields through nonlinear multipoint broadcasting, and synchronously passing through different optical paths and functional devices as required;
(3) connecting the output grating with the input grating of the same chip or the input grating of another chip, adjusting the pumping light field to tune the wavelength of the light field carrying information in sequence, and realizing free switching of different functions by multi-chip cascade or multi-time application of a single chip, wherein when the number of times of passing through the chip is N, the type of the microwave photon signal processing function which can be realized is 4N。
The invention provides an embodiment of a wavelength programmable multifunctional microwave photon signal processing method, which is characterized in that various functional devices such as a code converter, a nonlinear wavelength converter, a high-speed modulator, a wavelength division multiplexer, an optical decoder, an optical sampler and the like are prepared in parallel on a single chip, signal light fields with different wavelengths pass through different devices as required through an array waveguide grating, and the wavelength programmable multifunctional microwave photon signal processing is realized through multi-chip cascade or single-chip time division multiplexing.
In some embodiments, the functional device is fabricated by standard processes of a chip integrated optical circuit, has a certain degree of freedom of structural design, can efficiently and losslessly transmit an optical field, can adjust parameters by changing a refractive index of a waveguide, and can adjust principles including but not limited to a thermo-optic effect, an electro-optic effect, a photoelectric effect and the like, functions including but not limited to nonlinear wavelength conversion, nonlinear multipoint broadcasting, an optical switch, band-pass filtering, band-stop filtering, code type conversion and the like, a material platform used includes but not limited to silicon on insulator, hydrogen-loaded amorphous silicon, silicon nitride, silicon carbide, chalcogenide glass, three five groups of aluminum gallium arsenic, three groups of indium phosphide and the like, and a single material integration method or a multi-material mixed integration method can be adopted.
In some embodiments, the chip integrated logic circuit is prepared by a chip integrated circuit standard process, has a certain degree of structural design freedom, can change the refractive index of a transmission waveguide in a filter structure to realize the central wavelength tuning of the filter, can be connected to an external logic circuit through a control electrode-integrated wire-pin electrode, can receive bias voltages with different intensities, does not limit the structural size and wiring parameters of the control electrode, the integrated wire and the pin electrode, and does not limit the interface definition principle and the logic compiling mode.
In some embodiments, wavelength programmable microwave photonic signal processing enables one or more passes of a signal light field from different functional devices on different optical paths by controlling the nonlinear wavelength converter pump wavelength, enabling conversion from mathematical logic (input) to specific functions of microwave photonic signal processing (output) in the order of logical definition → bias voltage distribution → optical path → different device → combination of multiple functions after multiple passes; the tuning mode of the incident wavelength comprises but is not limited to a variable pump wavelength nonlinear wavelength converter, a wide-spectrum light source subjected to narrow-band tunable filtering, a channel switchable nonlinear optical frequency comb, a tunable chip integrated light source, a tunable external light source and the like; the programmable input quantity can be binary logic, discrete logic or continuous variable, and does not limit programming language, interface definition and compiling rules.
The invention also provides an embodiment of a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the above-mentioned method.
The invention also provides an embodiment of a computer program which, when executed by a processor, implements the above method.
Compared with the prior art, the invention has the following advantages:
firstly, the traditional microwave photon signal processing system can only execute specific functions and has strict requirements on performance parameters and front and back sequences of devices, the wavelength programmable multifunctional microwave photon signal processing method provided by the invention can realize the random switching of various different functions through a chip which is uniformly designed and prepared, and the microwave photon communication signal processing capability is greatly improved;
secondly, the invention provides a logic programmable microwave photon signal processing concept, namely, a compiling corresponding relation is established between digital logic and a specific microwave photon signal processing function, and a foundation is laid for the development of an accurate, standardized and diversified microwave photon information system.
In addition, the invention can provide an important solution for the design of standardized photoelectric devices and the development of software-defined microwave photonic chips.
For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A wavelength programmable multifunctional microwave photon signal processing method is characterized in that a signal light field is input into a high nonlinear waveguide through a grating coupler, a pumping light field is bundled with a signal light field through the grating coupler and a directional coupler, signal light field information is copied to an idler light field, free switching of the wavelength of the idler light field is realized by adjusting the pumping wavelength, a plurality of devices are prepared and integrated on a single chip, independent control and function realization of each device are realized through external bias voltage, the signal light fields with different wavelengths are guided to different optical paths through an arrayed waveguide grating, the signal light fields with different wavelengths are led out from the same port, and certain type of freely switchable microwave photon signal processing is realized; by cascading a plurality of sets of chips or enabling signals to repeatedly pass through the same chip for a plurality of times, the hybrid multiplexing of various microwave photon signal processing functions is realized.
2. The wavelength programmable multifunctional microwave photonic signal processing method of claim 1, wherein the wavelength tunable idler optical field passes through the arrayed waveguide grating and through four different optical paths, comprising a two-dimensional layered material coating based high-speed phase modulator, a mach-zehnder interferometer based intensity modulator, a micro-ring filter and RZ-NRZ transcoder, and a cascaded micro-ring cavity based broadband filter.
3. The wavelength programmable multifunctional microwave photonic signal processing method of claim 1, the wavelength of the signal optical field being flexibly switchable by a non-linear wavelength converter.
4. The wavelength programmable multifunctional microwave photonic signal processing method of claim 3, wherein the idler optical fields passing through the optical paths are acted by different functional devices to generate time domain or frequency domain changes and output from the same port through the arrayed waveguide grating.
5. The wavelength programmable multifunctional microwave photonic signal processing method of claim 1, wherein one or more of a code pattern converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical inverse decoder and an optical sampler are fabricated in parallel on a single chip.
6. The wavelength programmable multifunctional microwave photonic signal processing method of claim 1, comprising:
s101, designing, preparing and independently controlling each functional device, preparing and integrating a plurality of devices on a single chip, and realizing independent control and function realization of each device through external bias voltage;
s102, designing, preparing and independently controlling a wavelength division multiplexing optical path, guiding signal optical fields with different wavelengths to different optical paths through an arrayed waveguide grating, and guiding the signal optical fields with different wavelengths out of the same port to realize a certain type of microwave photon signal processing function capable of being freely switched, wherein the wavelengths of the signal optical fields can be flexibly switched through a nonlinear wavelength converter;
s103, multiplexing chips, namely, realizing the hybrid multiplexing of various microwave photon signal processing functions by cascading a plurality of sets of chips or repeatedly passing signals through the same chip for a plurality of times.
7. The wavelength programmable multifunctional microwave photonic signal processing method of claim 1, comprising:
s201, preparing waveguide structures of all devices through a standard preparation process of a chip integrated optical path, connecting all devices through a wavelength division multiplexing optical path, and preparing a grating coupler to lead a signal optical field and a pumping optical field with functions of nonlinear wavelength conversion and the like into or out of a chip;
s202, the nonlinear wavelength converter is tuned by changing the pumping wavelength, so that the optical fields of the incident arrayed waveguide grating can be transmitted to a specified path in sequence;
and S203, loading the digital logic control voltage to each device through an external circuit, and realizing the wavelength programmable multifunctional microwave photon signal processing system formed by combining different devices through multiple transmissions.
8. The wavelength programmable multifunctional microwave photonic signal processing method according to one of claims 1 to 7, wherein the nonlinear wavelength converter is controlled to pump wavelength, so that the signal optical field passes through different functional devices on different optical paths one or more times, and the conversion from mathematical logic (input quantity) to specific microwave photonic signal processing function (output quantity) is realized according to the sequence of logic definition → bias voltage distribution → optical path → different devices → combination of multiple functions after multiple passes.
9. A system for implementing the wavelength programmable multifunctional microwave photonic signal processing method according to claims 1 to 8, comprising a code pattern converter, a nonlinear wavelength converter, a high-speed phase modulator, a wavelength division multiplexer, an optical inverse code device, a cascaded Mach-Zehnder interferometer, an intensity modulator, a micro-ring filter, an RZ-NRZ transcoder, a functional device design preparation and independent control module, a wavelength division multiplexing optical path design preparation and independent control module, and a chip multiplexing module, wherein,
the functional device design preparation and independent control module is used for preparing and integrating a plurality of devices on a single chip and realizing the independent control and function realization of each device through external bias voltage;
the wavelength division multiplexing optical path design preparation and independent control module is used for guiding signal optical fields with different wavelengths to different optical paths through the arrayed waveguide grating and guiding the signal optical fields with different wavelengths out of the same port, so that a certain type of microwave photon signal processing function capable of being freely switched is realized, and the wavelengths of the signal optical fields can be flexibly switched through the nonlinear wavelength converter;
and the chip multiplexing module is used for realizing the hybrid multiplexing of various microwave photon signal processing functions by cascading a plurality of sets of chips or enabling signals to repeatedly pass through the same chip.
10. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421933.4A CN114337837B (en) | 2021-11-26 | 2021-11-26 | Wavelength programmable multifunctional microwave photon signal processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421933.4A CN114337837B (en) | 2021-11-26 | 2021-11-26 | Wavelength programmable multifunctional microwave photon signal processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114337837A true CN114337837A (en) | 2022-04-12 |
| CN114337837B CN114337837B (en) | 2023-11-14 |
Family
ID=81045882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111421933.4A Active CN114337837B (en) | 2021-11-26 | 2021-11-26 | Wavelength programmable multifunctional microwave photon signal processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114337837B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435922A (en) * | 2002-01-26 | 2003-08-13 | 华为技术有限公司 | Variable wavelenght output optic fibre laser |
| CN202126559U (en) * | 2011-07-07 | 2012-01-25 | 杭州电子科技大学 | All optical wavelength converter of annular cavity multi-wavelength laser based on photonic crystal fiber (PCF) |
| CN103220063A (en) * | 2013-04-18 | 2013-07-24 | 电子科技大学 | All-optical wavelength routing integrated chip |
| JP2015022242A (en) * | 2013-07-23 | 2015-02-02 | 日本電信電話株式会社 | Optical switch and optical switch system |
| US20150168803A1 (en) * | 2013-12-13 | 2015-06-18 | Telefonaktiebolaget L M Ericsson (Publ) | Parallel and WDM Silicon Photonics Integration in Information and Communications Technology Systems |
| US20200007261A1 (en) * | 2017-11-15 | 2020-01-02 | Southwest Jiaotong University | Radio-over-fiber communication beamforming device based on arrayed waveguide grating and method thereof |
| CN111510287A (en) * | 2020-03-20 | 2020-08-07 | 军事科学院系统工程研究院网络信息研究所 | Quantum communication networking method and system based on multi-wavelength channel aliasing entanglement light source |
| CN113055098A (en) * | 2021-03-15 | 2021-06-29 | 电子科技大学 | Frequency domain multiplexing propaganda type single photon source of optical communication waveband |
| CN113472529A (en) * | 2021-06-29 | 2021-10-01 | 军事科学院系统工程研究院网络信息研究所 | Quantum interconnection channel exchange method based on chip integrated optical circuit |
| CN113660039A (en) * | 2021-08-17 | 2021-11-16 | 广东工业大学 | Programmable controlled multi-dimensional multiplexing microwave photon filter and filtering method thereof |
-
2021
- 2021-11-26 CN CN202111421933.4A patent/CN114337837B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1435922A (en) * | 2002-01-26 | 2003-08-13 | 华为技术有限公司 | Variable wavelenght output optic fibre laser |
| CN202126559U (en) * | 2011-07-07 | 2012-01-25 | 杭州电子科技大学 | All optical wavelength converter of annular cavity multi-wavelength laser based on photonic crystal fiber (PCF) |
| CN103220063A (en) * | 2013-04-18 | 2013-07-24 | 电子科技大学 | All-optical wavelength routing integrated chip |
| JP2015022242A (en) * | 2013-07-23 | 2015-02-02 | 日本電信電話株式会社 | Optical switch and optical switch system |
| US20150168803A1 (en) * | 2013-12-13 | 2015-06-18 | Telefonaktiebolaget L M Ericsson (Publ) | Parallel and WDM Silicon Photonics Integration in Information and Communications Technology Systems |
| US20200007261A1 (en) * | 2017-11-15 | 2020-01-02 | Southwest Jiaotong University | Radio-over-fiber communication beamforming device based on arrayed waveguide grating and method thereof |
| CN111510287A (en) * | 2020-03-20 | 2020-08-07 | 军事科学院系统工程研究院网络信息研究所 | Quantum communication networking method and system based on multi-wavelength channel aliasing entanglement light source |
| CN113055098A (en) * | 2021-03-15 | 2021-06-29 | 电子科技大学 | Frequency domain multiplexing propaganda type single photon source of optical communication waveband |
| CN113472529A (en) * | 2021-06-29 | 2021-10-01 | 军事科学院系统工程研究院网络信息研究所 | Quantum interconnection channel exchange method based on chip integrated optical circuit |
| CN113660039A (en) * | 2021-08-17 | 2021-11-16 | 广东工业大学 | Programmable controlled multi-dimensional multiplexing microwave photon filter and filtering method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114337837B (en) | 2023-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Liu et al. | A fully reconfigurable photonic integrated signal processor | |
| CN109507812B (en) | Function multiplexing integrated lithium niobate waveguide electro-optic modulator | |
| Kita et al. | Ultrashort low-loss Ψ gates for linear optical logic on Si photonics platform | |
| CN113472529A (en) | Quantum interconnection channel exchange method based on chip integrated optical circuit | |
| CN101615957B (en) | Networking method for realizing integrated high-order ROADM | |
| CN114609727A (en) | Chip integrated programmable filtering method based on cascade filter | |
| CN112147740A (en) | Multi-working-frequency-band programmable microwave photonic filter based on integrated silicon waveguide | |
| CN104834059A (en) | Mode conversion method in optical transmission process and device thereof | |
| CN109491175A (en) | A kind of restructural oriented logical device based on mode multiplexing | |
| CN114337837B (en) | Wavelength programmable multifunctional microwave photon signal processing method | |
| CN114614938B (en) | Wavelength division multiplexing channel switching method of vernier caliper | |
| CN114337842B (en) | Polarization programmable multifunctional microwave photon signal processing method | |
| CN114297133B (en) | Path programmable multifunctional microwave photon signal processing method | |
| CN105356963B (en) | The implementation method of variable optical splitter and variable optical splitter | |
| CN112327517B (en) | Narrow bandwidth Mach-Zehnder interferometer and spectrum shaping device and method | |
| CN113267911B (en) | Large-capacity photoelectric hybrid programmable logic operation chip | |
| CN115390183A (en) | Method for realizing free spectral range switchable filtering based on path selection light path | |
| CN109361136A (en) | A kind of high speed updates the generating system of microwave random waveform | |
| CN114609726A (en) | Ultra-narrow band filtering method based on-harmonic chip integrated cascade filter | |
| CN114609725B (en) | Ultra-narrow band filtering method based on micro-detuning cascade filter | |
| CN113660039A (en) | Programmable controlled multi-dimensional multiplexing microwave photon filter and filtering method thereof | |
| Xu et al. | Simple reconfigurable multiport photonic temporal N-differentiator and integrator based on dual-ring coupled Mach–Zehnder interferometer | |
| US7215856B2 (en) | Reconfigurable optical device for wavelength division multiplexing networks | |
| CN115390333A (en) | Method for realizing multifunctional chip integrated Mach-Zehnder interference | |
| Dehdast et al. | Design of all-optical simultaneous AND, NAND, OR, and NOR logic gates using phase-based control of three coupled waveguides |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |