Data extraction system based on optical preprocessing

Abstract

The present invention provides a data extraction system based on optical preprocessing, which can be applied to the field of optoelectronic fusion intelligent computing technology. The system includes: an electrical storage device for storing data records and target ranges of a database; an electrical control chip for controlling the input and output of data records, and driving and controlling other modules; an optical wave weight control module for generating multi-wavelength optical signals and setting optical operation weights; an optical operation module for loading data records onto optical signals and performing optical operations according to the optical operation weights to obtain screening values; a threshold judgment module for converting screening values ​​into an electrical calculation domain, and obtaining a serial time series by comparing an electrical comparator with a target range; a data refining and extraction module for judging whether data records are extracted according to thresholds and serial time series, and searching for target data records in parallel. Through optical preprocessing, the amount of data to be searched electrically is reduced to improve the data extraction efficiency of the system.

Description

Technical Field

[0001] The present invention relates to the field of optoelectronic intelligent computing technology, and in particular to a data extraction system based on optical preprocessing. Background Art

[0002] With the continuous advancement of technologies such as big data, cloud computing, and artificial intelligence, the massive amount of data generated in a short period of time needs to be quickly transmitted and processed. However, electronic processing chips are limited by the bottlenecks of Moore's Law and the von Neumann architecture, and it is difficult to improve bandwidth latency, transmission loss, and data throughput, making it difficult to meet the rapidly growing data processing needs. The optical processing computing paradigm, which combines the advantages of optical high bandwidth, low loss, and high parallelism, can complete optical processing of data while achieving optical interconnection, avoiding the delay and loss caused by the conversion of data between the electrical and optical domains, and improving data transmission and processing efficiency. Summary of the invention

[0003] 1. Technical issues to be resolved

[0004] In order to solve at least one of the above-mentioned problems existing in data transmission and processing in the prior art, an embodiment of the present invention provides a data extraction system based on optical preprocessing, which reduces the amount of data to be electrically searched through optical preprocessing, thereby improving the data extraction speed and efficiency of the entire system.

[0005] (II) Technical solution

[0006] In view of the above technical problems, an embodiment of the present invention proposes a data extraction system based on optical preprocessing.

[0007] According to a first aspect of the present invention, a data extraction system based on optical preprocessing is provided, comprising: a data extraction system based on optical preprocessing, characterized in that it comprises: an electrical storage device for storing data records of a database and a target range of data records; an electrical control chip for controlling the input and output of data records, as well as driving and controlling other modules and providing required information; an optical wave weight control module for generating a multi-wavelength optical signal with a specific intensity distribution according to a data operation strategy, and setting an optical operation weight representing a corresponding data field for the multi-wavelength optical signal; an optical operation module for loading the data record onto the multi-wavelength optical signal and performing an optical operation according to the optical operation weight to obtain a screening value for screening the data record; a threshold judgment module for converting the screening value from an optical calculation domain to an electrical calculation domain via photoelectric conversion, and obtaining a serial time series by comparing an electrical comparator with a target range of data records to be extracted, wherein the serial time series is used to judge whether the data record is extracted; a data refining and extraction module for judging whether the data record is extracted according to the threshold forwarded by the electrical control chip and the serial time series, and for searching the target data record in the electrical storage device in parallel.

[0008] In some exemplary embodiments, information of data records in the electronic memory is stored in consecutive memory addresses; and the storage method of data records in the electronic memory includes block storage to facilitate parallel search of target data records in the electronic memory.

[0009] In some exemplary embodiments, the electrical control chip is used to control the data records in the electrical storage device to be sent to the optical computing module in a preset order to realize the optical loading operation of the data records; the electrical control chip is used to set the intensity weight of the corresponding wavelength in the optical wave weight control module according to the operation strategy of the data field; the electrical control chip is used to provide the target range of the data records to be extracted for the threshold judgment module; the electrical control chip is used to forward the serial time series obtained by the threshold judgment module to the data refining and extraction module.

[0010] In some exemplary embodiments, the optical wave weight control module includes a multi-wavelength laser array, a variable optical attenuator array and a first N×1 wavelength division multiplexer connected in sequence, wherein the multi-wavelength laser array includes N lasers, and the N lasers are used to generate N continuous laser carriers of different wavelengths; the variable optical attenuator array includes N variable optical attenuators, and the N variable optical attenuators are used to perform intensity control of N continuous laser carriers of different wavelengths with preset weights, and use the relative intensities of different wavelengths to represent the optical operation weights of different data fields; the first N×1 wavelength division multiplexer is used to multiplex the N continuous laser carriers of different wavelengths after intensity control into a single channel to control the relative changes in amplitude and phase between signals of different wavelengths; wherein N is a positive integer greater than 1.

[0011] In some exemplary embodiments, the optical operation module includes a high-speed electro-optical modulator, a 1×N wavelength division multiplexer, an optical delay line array and a second N×1 wavelength division multiplexer connected in sequence, wherein the high-speed electro-optical modulator loads the data records sent by the electrical control chip from the electrical storage device into the light in time sequence through electro-optical modulation, and modulates the optical signals of N wavelengths simultaneously according to the same signal; the 1×N wavelength division multiplexer is used to disperse the modulated optical signals of N wavelengths into N channels for separate transmission; the optical delay line array includes N optical delay lines, and the N optical delay lines are used to delay the data of N wavelengths in sequence by one bit; the second N×1 wavelength division multiplexer is used to multiplex the optical signals of N wavelengths that are delayed in sequence into a single channel to achieve the operation of addition in operation; wherein N is a positive integer greater than 1.

[0012] In some exemplary embodiments, the threshold judgment module includes a high-speed photodetector, a transimpedance amplifier and a high-speed electrical comparator connected in sequence, wherein the high-speed photodetector is used to detect the sum of the light intensities of light signals of N wavelengths and convert the light intensity signal into a photocurrent signal; the transimpedance amplifier is used to convert the photocurrent signal into a voltage signal and amplify the obtained voltage signal so that it meets the voltage operating range of the high-speed electrical comparator; the high-speed electrical comparator is used to compare the calculated screening value of each data record with the target range provided by the electrical control chip, and output a high level within the target range, otherwise output a low level; wherein N is a positive integer greater than 1.

[0013] In some exemplary embodiments, the data refining and extraction module includes an electrical storage a, a parallel sequence query module, and an electrical storage b that are connected in sequence, wherein the electrical storage a is used to store serial time series; the parallel sequence query module is used to extract judgment information from the electrical storage a in parallel, query the electrical storage a and extract data records that meet the requirements based on the judgment information, and send the data records that meet the requirements to the electrical storage b; the electrical storage b is used to receive data records that meet the requirements.

[0014] In some exemplary embodiments, the electrical control chip can also be used to provide computing functions, supplementing optical computing through electrical computing to implement complex data computing strategies.

[0015] In some exemplary embodiments, the optical computing module includes at least one of a computing system based on a Mach-Zehnder interferometer, a computing system based on a microring filter, a computing system based on a multimode interference coupler, a computing system based on diffraction optics, a computing system based on interference optics, a computing system based on wavelength division multiplexing-demultiplexing, and a computing system based on an adjustable optical amplifier and an optical attenuator; the optical computing module also includes optical routing and optical nonlinearity to realize the supplement of computing functions.

[0016] In some exemplary embodiments, the electrical control chip is capable of sending data information to the optical computing module in parallel; and duplicating the optical wave weight control module, the optical computing module, the threshold judgment module and the data refining and extraction module according to the parallel quantity, thereby realizing parallel computing of data records on the light on the basis of implementing electrical parallel precise search.

[0017] (III) Beneficial effects

[0018] It can be seen from the above technical solutions that the data extraction system based on optical preprocessing provided by the embodiment of the present invention has at least the following beneficial effects:

[0019] Under the control of the electronic chip, the data is loaded onto the light through high-speed electro-optical modulation, and then pre-processed in high-speed parallel on the light; after high-speed photoelectric conversion, the judgment sequence is obtained by the high-speed electrical comparator, and finally, the judgment sequence is accurately searched and stored in parallel on the light. Therefore, the system reduces the amount of data to be searched on the light through the optical pre-processing method, thereby improving the data extraction speed and efficiency of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above contents and other objects, features and advantages of the present invention will become more apparent through the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

[0021] Figure 1 A schematic diagram of the structure of a data extraction system based on optical preprocessing according to an embodiment of the present invention is shown;

[0022] Figure 2 A schematic diagram of the structure of an optical wave weight control module according to an embodiment of the present invention is shown;

[0023] Figure 3 A schematic diagram of the structure of an optical computing module according to an embodiment of the present invention is shown;

[0024] Figure 4 A schematic diagram of the structure of a threshold determination module according to an embodiment of the present invention is shown;

[0025] Figure 5 The structural diagram of the data refining and extraction module according to an embodiment of the present invention is schematically shown.

[0026] Reference numerals:

[0027] 1-electric storage device; 2-electric control chip; 3-light wave weight control module; 31-multi-wavelength laser array; 32-variable optical attenuator array; 33-first N×1 wavelength division multiplexer; 4-optical operation module; 41-high-speed electro-optical modulator; 42-1×N wavelength division multiplexer; 43-optical delay line array; 44-second N×1 wavelength division multiplexer; 5-threshold judgment module; 51-high-speed photodetector; 52-transimpedance amplifier; 53-high-speed electrical comparator; 6-data refinement and extraction module; 61-electric storage device a; 62-parallel sequence query module; 63-electric storage device b. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present invention more clearly understood, the present invention is further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Optical processing and computing have the advantages of high bandwidth and low loss, and can build high-speed parallel transmission and parallel computing processing systems with high data throughput. However, since light behaves as an analog signal during the computing process, and due to factors such as slight differences in transmission channels and device performance and superimposed noise, the accuracy of optical processing and computing is significantly different from that of digital electrical signals. However, optical processing and computing can quickly extract and process large amounts of data within a limited accuracy range. Through this optical preprocessing method, the amount of data tasks that the electrical chip needs to process can be greatly reduced, thereby increasing the system's data processing speed and reducing the system's overall power consumption.

[0030] Figure 1 The structural diagram of a data extraction system based on optical preprocessing according to an embodiment of the present invention is schematically shown.

[0031] like Figure 1 As shown, the data extraction system based on optical preprocessing according to an embodiment of the present invention includes: an electrical storage device 1, which is used to store data records in a database and a target range of data records; an electrical control chip 2, which is used to control the input and output of data records, and drive and control other modules and provide required information; an optical wave weight control module 3, which is used to generate a multi-wavelength optical signal with a specific intensity distribution according to a data operation strategy, and set an optical operation weight representing a corresponding data field for the multi-wavelength optical signal, and by adjusting the intensity and wavelength of the optical signal, different data processing strategies can be flexibly implemented; an optical operation module 4, which is used to load the data records into Optical operations are performed on multi-wavelength optical signals according to optical operation weights to obtain screening values ​​for screening data records; a threshold judgment module 5 is used to convert the screening value from the optical calculation domain to the electrical calculation domain via photoelectric conversion, and to obtain a serial time series by comparing the electrical comparator with the target range of the data record to be extracted, wherein the serial time series is used to determine whether the data record is extracted; a data refining and extraction module 6 is used to determine whether the data record is extracted according to the threshold forwarded by the electrical control chip 2 and the serial time series, and to search for the target data record in parallel in the electrical storage 1. Through parallel processing, the speed and efficiency of data extraction can be significantly improved.

[0032] It should be noted that Figure 1The solid line connections in the figure represent the propagation of light in optical interconnect structures such as optical fibers and optical waveguides; the dotted line connections represent the electrical propagation of current or voltage.

[0033] In the embodiment of the present invention, the electric storage device 1 provides the data basis, the electric control chip 2 coordinates the work of each module, the light wave weight control module 3 sets the operation weight, the optical operation module 4 performs fast operation, the threshold judgment module 5 judges whether the data meets the extraction conditions, and finally the data refinement and extraction module 6 accurately searches and extracts the target data in the electric storage device 1. This data processing system combining electronic and optical technologies has the characteristics of high speed, high efficiency, and flexibility, and is suitable for scenarios such as large-scale data processing and real-time data analysis.

[0034] In some exemplary embodiments, the information of the data records in the electrical storage 1 is stored in continuous memory addresses; and the storage method of the data records in the electrical storage 1 includes block storage, so as to facilitate parallel search of target data records in the electrical storage 1. The continuous memory address storage improves the data access speed and memory management efficiency, while the block storage supports parallel processing and optimizes load balancing. Combining the advantages of continuous memory address storage and block storage, this storage strategy has significant advantages in processing large-scale data sets and application scenarios requiring high-performance data access.

[0035] In some exemplary embodiments, the specific functions of the electric control chip 2 include: the electric control chip 2 is used to control the data records in the electric storage 1 to be sent to the optical computing module 4 in a preset order to realize the optical loading operation of the data records; the electric control chip 2 is used to set the intensity weight of the corresponding wavelength in the optical wave weight control module 3 according to the operation strategy of the data field; the electric control chip 2 is used to provide the target range of the data records to be extracted for the threshold judgment module 5; the electric control chip 2 is used to forward the serial time series obtained by the threshold judgment module 5 to the data refining and extraction module 6. The electric control chip 2 shows significant advantages in the optical loading operation of data records, optical wave weight control, threshold judgment, data refining and extraction, etc., providing a strong guarantee for the overall performance and reliability of the system.

[0036] In some exemplary embodiments, the electrical control chip 2 is capable of sending data information to the optical computing module 4 in parallel; and according to the parallel quantity, the optical wave weight control module 3, the optical computing module 4, the threshold judgment module 5 and the data refining and extraction module 6 are copied, and on the basis of implementing electrical parallel precise search, parallel computing of data records on light is realized.

[0037] In some exemplary embodiments, the electrical control chip 2 can also be used to provide computing functions, supplementing optical computing through electrical computing to implement complex data computing strategies.

[0038] Figure 2 The structural diagram of the lightwave weight control module 3 according to an embodiment of the present invention is schematically shown.

[0039] like Figure 2 As shown, the optical wave weight control module 3 according to the embodiment of the present invention includes a multi-wavelength laser array 31, a variable optical attenuator array 32 and a first N×1 wavelength division multiplexer 33 which are connected in sequence, wherein the multi-wavelength laser array 31 includes N lasers, and the N lasers are used to generate N continuous laser carriers of different wavelengths; the variable optical attenuator array 32 includes N variable optical attenuators, and the N variable optical attenuators are used to perform intensity control of N continuous laser carriers of different wavelengths with preset weights, and use the relative intensities of different wavelengths to represent the optical operation weights of different data fields; the first N×1 wavelength division multiplexer 33 is used to multiplex the N continuous laser carriers of different wavelengths after intensity control into a single channel to control the relative changes in amplitude and phase between signals of different wavelengths; wherein N is a positive integer greater than 1.

[0040] It should be noted that Figure 2 The solid line connections in the figure represent the propagation of light in optical interconnect structures such as optical fibers and optical waveguides; the dotted line connections represent the electrical propagation of voltage.

[0041] In the embodiment of the present invention, since the multi-wavelength laser array 31 and the variable optical attenuator array 32 are both programmable and configurable, the optical wave weight control module 3 can adapt to different computing requirements and application scenarios. By adjusting the wavelength of the laser and the parameters of the variable optical attenuator, different optical computing weight configurations can be flexibly implemented. The first N×1 wavelength division multiplexer 33 multiplexes optical signals of multiple wavelengths into a single channel, thereby improving the transmission efficiency of optical signals. This multiplexing technology can not only reduce the number of optical fibers used, but also reduce the complexity and cost of the system. At the same time, the optical wave weight control module 3 has a compact structure and is easy to integrate, and can be easily connected to other optical computing modules 4 and optical communication equipment. This integration makes the optical wave weight control module 3 have broad application prospects in optical communication and optical computing systems.

[0042] Figure 3 The structural diagram of the optical computing module 4 according to the embodiment of the present invention is schematically shown.

[0043] like Figure 3As shown, the optical operation module 4 according to the embodiment of the present invention includes a high-speed electro-optical modulator 41, a 1×N wavelength division multiplexer 42, an optical delay line array 43 and a second N×1 wavelength division multiplexer 44 which are connected in sequence, wherein the high-speed electro-optical modulator 41 loads the data records accessed and sent by the electric control chip 2 from the electric storage 1 onto the light in time sequence through electro-optical modulation, and modulates the optical signals of N wavelengths at the same time according to the same signal; the 1×N wavelength division multiplexer 42 is used to disperse the modulated optical signals of N wavelengths into N channels for separate transmission; the optical delay line array 43 includes N optical delay lines, and the N optical delay lines are used to delay the data of N wavelengths in sequence by one bit; the second N×1 wavelength division multiplexer 44 is used to multiplex the optical signals of N wavelengths that are delayed in sequence into a single channel to realize the operation of addition in operation; wherein N is a positive integer greater than 1.

[0044] It should be noted that Figure 3 The solid line connections in the figure represent the propagation of light in optical interconnect structures such as optical fibers and optical waveguides; the dotted line connections represent the electrical propagation of voltage.

[0045] In some exemplary embodiments, the optical computing module 4 includes at least one of a computing system based on a Mach-Zehnder interferometer, a computing system based on a microring filter, a computing system based on a multimode interference coupler, a computing system based on diffraction optics, a computing system based on interference optics, a computing system based on wavelength division multiplexing-demultiplexing, and a computing system based on an adjustable optical amplifier and an optical attenuator; the optical computing module 4 may also include optical routing and optical nonlinearity to supplement the computing function.

[0046] In the embodiment of the present invention, the combination of high-speed electro-optical modulator 41 and wavelength division multiplexing technology enables the system to process high-speed and large-capacity optical signals, meeting the needs of modern communications and data centers for high bandwidth. The optical delay line array 43 can achieve precise control of the propagation time of the optical signal, thereby achieving a time delay of nanoseconds or even shorter, meeting the needs of high-precision time synchronization and signal processing. The design of the optical operation module 4 allows the value of N (i.e., the number of channels) to be adjusted according to actual needs, thereby providing flexibility and scalability. This enables the system to adapt to the needs of different scales and application scenarios. The use of wavelength division multiplexing technology reduces the use of optical fiber, reduces construction costs and maintenance costs. At the same time, the high-efficiency performance of the optical operation module 4 enables the system to improve efficiency while ensuring quality.

[0047] As a transmission medium, optical fiber has excellent anti-electromagnetic interference capability, which ensures the stability and reliability of the optical computing module 4. Even in harsh environments, it can maintain stable performance.

[0048] In summary, the optical computing module 4 integrates high-speed electro-optical modulator 41, wavelength division multiplexer, optical delay line array 43 and wavelength division multiplexer, etc., to achieve the advantages of high speed, large capacity, high-precision time synchronization, flexibility and scalability, low cost and high efficiency, and strong anti-interference ability. These advantages make the optical computing module 4 have broad application prospects in the fields of communication, data center, etc.

[0049] Figure 4 The structure diagram of the threshold judgment module 5 according to the embodiment of the present invention is schematically shown.

[0050] like Figure 4 As shown, the threshold judgment module 5 according to the embodiment of the present invention includes a high-speed photodetector 51, a transimpedance amplifier 52 and a high-speed electrical comparator 53 which are connected in sequence, wherein the high-speed photodetector 51 is used to detect the sum of the light intensities of light signals of N wavelengths and convert the light intensity signal into a photocurrent signal; the transimpedance amplifier 52 is used to convert the photocurrent signal into a voltage signal and amplify the obtained voltage signal so that it meets the voltage operating range of the high-speed electrical comparator 53; the high-speed electrical comparator 53 is used to compare the screened value of each data record after calculation with the target range provided by the electrical control chip 2, and output a high level within the target range, otherwise output a low level; wherein N is a positive integer greater than 1.

[0051] It should be noted that Figure 4 The solid line connections in the figure represent the propagation of light in optical interconnect structures such as optical fibers and optical waveguides; the dotted line connections represent the electrical propagation of current or voltage.

[0052] In the embodiment of the present invention, the threshold judgment module 5 achieves the beneficial effects of high-speed response, high-precision detection, enhanced system stability and reliability, improved data processing efficiency and flexibility, and reduced system cost and maintenance difficulty by integrating components such as a high-speed photodetector 51, a transimpedance amplifier 52 and a high-speed electrical comparator 53.

[0053] Figure 5 The structural diagram of the data refining and extraction module 6 according to an embodiment of the present invention is schematically shown.

[0054] like Figure 5 As shown, the data refining and extraction module 6 according to the embodiment of the present invention includes an electric storage a61, a parallel sequence query module 62 and an electric storage b63 which are connected in sequence, wherein the electric storage a61 is used to store serial time series; the parallel sequence query module 62 is used to extract judgment information from the electric storage a61 in parallel, query the electric storage 1 and extract data records that meet the requirements based on the judgment information, and send the data records that meet the requirements to the electric storage b63; the electric storage b63 is used to receive data records that meet the requirements.

[0055] It should be noted that Figure 5 The dashed connections represent the electrical propagation of current or voltage.

[0056] The data extraction system based on optical preprocessing provided in an embodiment of the present invention realizes large data throughput and highly parallel optical preprocessing by combining the high-bandwidth and low-loss optical computing processing characteristics; and then performs electrical parallel precise search and electrical storage, ultimately building a high-speed and high-efficiency data extraction system.

[0057] The above specific embodiments further illustrate the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A data extraction system based on optical preprocessing, characterized in that: include: an electronic memory for storing the data record of the database and the target range of the data record; Electrical control chip, used to control the input and output of data recording, as well as drive and control other modules and provide required information; An optical wave weight control module, used to generate a multi-wavelength optical signal with a specific intensity distribution according to a data operation strategy, and to set an optical operation weight representing a corresponding data field for the multi-wavelength optical signal; an optical operation module, used for loading data records onto the multi-wavelength optical signal and performing optical operations according to the optical operation weights to obtain screening values ​​for screening data records; A threshold judgment module, used for converting the screening value from the optical calculation domain to the electrical calculation domain via photoelectric conversion, and obtaining a serial time series by comparing the electrical comparator with the target range of the data record to be extracted, wherein the serial time series is used to determine whether the data record is extracted; The data refining and extraction module is used to determine whether the data record is extracted according to the threshold forwarded by the electric control chip and the serial time series, and to search for the target data record in the electric storage in parallel.

2. The system according to claim 1, characterized in that The information of the data record in the electronic memory is stored in consecutive memory addresses; as well as The storage method of the data records in the electronic storage includes block storage, so as to facilitate parallel search for target data records in the electronic storage.

3. The system according to claim 1, characterized in that The electrical control chip is used to control the data records in the electrical storage to be sent to the optical computing module in a preset order, so as to realize the optical loading operation of the data records; The electric control chip is used to set the intensity weight of the corresponding wavelength in the light wave weight control module according to the calculation strategy of the data field; The electric control chip is used to provide the threshold judgment module with a target range of data records to be extracted; The electric control chip is used to forward the serial time series obtained by the threshold judgment module to the data refining and extraction module.

4. The system according to claim 1, characterized in that The light wave weight control module includes a multi-wavelength laser array, a variable optical attenuator array and a first N×1 wavelength division multiplexer which are connected in sequence. Wherein, the multi-wavelength laser array includes N lasers, and the N lasers are used to generate continuous laser carriers of N different wavelengths; The variable optical attenuator array includes N variable optical attenuators, and the N variable optical attenuators are used to perform intensity control of the N continuous laser carriers of different wavelengths with preset weights, and to represent the optical operation weights of different data fields by the relative intensities of different wavelengths; The first N×1 wavelength division multiplexer is used to multiplex N continuous laser carriers of different wavelengths after intensity regulation into a single channel to control the relative changes in amplitude and phase between signals of different wavelengths; Wherein, N is a positive integer greater than 1.

5. The system according to claim 1, characterized in that The optical operation module includes a high-speed electro-optical modulator, a 1×N wavelength division multiplexer, an optical delay line array and a second N×1 wavelength division multiplexer which are connected in sequence. Wherein, the high-speed electro-optic modulator loads the data records sent by the electric control chip from the electric storage device into the light in time sequence through electro-optic modulation, and modulates the optical signals of N wavelengths at the same time according to the same signal; The 1×N wavelength division multiplexer is used to disperse the modulated N wavelength optical signals into N channels for separate transmission; The optical delay line array comprises N optical delay lines, and the N optical delay lines are used to sequentially delay data of N wavelengths by one bit; The second N×1 wavelength division multiplexer is used to multiplex the optical signals of N wavelengths that are delayed in sequence into a single channel to implement an operation of adding in operation; Wherein, N is a positive integer greater than 1.

6. The system according to claim 1, characterized in that The threshold judgment module includes a high-speed photodetector, a transimpedance amplifier and a high-speed electrical comparator which are connected in sequence. Wherein, the high-speed photodetector is used to detect the sum of the light intensities of light signals of N wavelengths and convert the light intensity signal into a photocurrent signal; The transimpedance amplifier is used to convert the photocurrent signal into a voltage signal, and amplify the obtained voltage signal so that it meets the voltage operating range of the high-speed electrical comparator; The high-speed electrical comparator is used to compare the screened value of each data record after operation with the target range provided by the electrical control chip, and output a high level within the target range, otherwise output a low level; Wherein, N is a positive integer greater than 1.

7. The system according to claim 1, characterized in that The data refining and extraction module includes an electronic storage a, a parallel sequence query module and an electronic storage b which are connected in sequence. Wherein, the electronic memory a is used to store the serial time series; The parallel sequence query module is used to extract judgment information from the electronic storage a in parallel, query the electronic storage according to the judgment information and extract the data records that meet the requirements, and send the data records that meet the requirements to the electronic storage b; The electronic storage device b is used to receive the data record that meets the requirements.

8. The system according to any one of claims 1 to 7, characterized in that: The electrical control chip can also be used to provide computing functions, supplementing optical computing through electrical computing to implement complex data computing strategies.

9. The system according to any one of claims 1 to 7, characterized in that: The optical computing module includes at least one of a computing system based on a Mach-Zehnder interferometer, a computing system based on a microring filter, a computing system based on a multimode interference coupler, a computing system based on diffraction optics, a computing system based on interference optics, a computing system based on wavelength division multiplexing-demultiplexing, and a computing system based on an adjustable optical amplifier and an optical attenuator; The optical computing module also includes optical routing and optical nonlinearity to achieve the supplement of computing functions.

10. The system according to any one of claims 1 to 7, characterized in that: The electrical control chip can send data information to the optical computing module in parallel; and copy the light wave weight control module, the optical computing module, the threshold judgment module and the data refining and extraction module according to the parallel quantity, and realize parallel computing of data records on the light on the basis of implementing electrical parallel precise search.

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