A data storage method and system integrating multiple magneto-optical media

By integrating data storage methods of magneto-optical and electrical media, using multiple degrees of freedom of light for information encoding and storage, the bottlenecks of storage density and read and write speed of traditional optical storage technology are solved, and efficient and reliable data storage is achieved.

CN119311217BActive Publication Date: 2025-05-20BEIJING HUIXIN SKY TECH CO LTD
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Patent Information

Application Number
CN202411347889.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-05-20
Estimated Expiration
2044-09-26

AI Technical Summary

Technical Problem

Traditional single media optical storage technology has bottlenecks in storage density, read and write speed and data maintainability, and it is difficult to meet the high-density, high-speed and high-reliability data storage needs.

Method used

By using a data storage method that combines magneto-optical and electrical media, multi-dimensional data is collected, multiple degrees of freedom of light are used to encode information, optical signals are generated, and suitable storage media are selected for storage. At the same time, a data writing and reading mechanism is established, an intelligent algorithm is used to allocate storage space, and performance indicators are set for health evaluation.

Benefits of technology

It significantly improves data storage density and read and write speed, optimizes storage resource management, and ensures the stable operation and high reliability of the storage system.

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Abstract

The present invention discloses a data storage method and system integrating multiple magneto-optical media, and relates to the technical field of data storage, including collecting multi-dimensional data, using multiple degrees of freedom of light to encode information, and generating corresponding optical signals; selecting suitable storage media to store the encoded optical signals; establishing data writing mechanism and reading mechanism to improve efficiency; using intelligent algorithms to construct comprehensive evaluation functions, and allocating storage space based on the comprehensive evaluation functions to achieve storage resource management; setting performance indicators to construct health evaluation functions, and continuously monitoring the operating status of the storage system; the present invention improves data storage density and read-write speed by using multiple degrees of freedom of light to encode information; selecting suitable storage media and optimized data read-write mechanisms to reduce data redundancy and improve efficiency; using intelligent algorithms to allocate storage space, and achieving effective management of storage resources.
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Description

Technical Field

[0001] The present invention relates to the technical field of data storage, and particularly to a data storage method and system integrating multiple media of magnetic, optical and electrical. Background Art

[0002] With the rapid development of information technology, the demand for data storage is increasing day by day. Although traditional magnetic storage technology has certain advantages in terms of cost and reliability, its limitations have gradually emerged in terms of storage density, access speed and power consumption. In recent years, optical storage, as a high-density and high-speed data storage method, has received extensive attention. Compared with magnetic storage, optical storage can not only provide higher storage density, but also has obvious advantages in data read and write speed. In addition, with the progress of nanotechnology and new material science, the application of advanced materials such as new photonic crystals has made breakthrough progress in data persistence and stability of optical storage technology. However, there are still certain bottlenecks in single-medium optical storage technology, such as the durability of storage media and the maintainability of data. Therefore, how to effectively integrate the advantages of multiple media has become an important direction in the research of current data storage technology. Summary of the Invention

[0003] In view of the above existing problems, the present invention is proposed.

[0004] Therefore, the present invention provides a data storage method and system integrating multiple media of magnetic, optical and electrical, which can greatly increase the data storage density compared with the traditional single-degree-of-freedom optical storage technology, and at the same time improve the data read and write efficiency due to the multi-degree-of-freedom characteristics of light.

[0005] To solve the above technical problems, the present invention provides the following technical solutions:

[0006] In the first aspect, an embodiment of the present invention provides a data storage method integrating multiple media of magnetic, optical and electrical, which includes

[0007] Collect multi-dimensional data, use multiple degrees of freedom of light for information encoding, and generate corresponding optical signals;

[0008] Select a suitable storage medium to store the encoded optical signals;

[0009] Establish a data writing mechanism and a reading mechanism to improve efficiency;

[0010] Use an intelligent algorithm to construct a comprehensive evaluation function, and allocate storage space based on the comprehensive evaluation function to realize storage resource management;

[0011] Set performance indicators to construct a health evaluation function, and continuously monitor the operating state of the storage system.

[0012] As a preferred embodiment of the data storage method integrating multiple magnetic, optical and electrical media according to the present invention, wherein: the collecting of multi-dimensional data includes,

[0013] Collecting analog signals, image data and audio data from different data sources;

[0014] Converting the analog signal into a digital signal by using an analog-to-digital converter, converting the image data into image pixel values by using image processing technology, and converting the audio data into digital audio by using audio encoding and decoding technology;

[0015] Normalizing the converted data;

[0016] Collecting the processed data to obtain a digital signal d(t).

[0017] As a preferred embodiment of the data storage method integrating multiple magnetic, optical and electrical media according to the present invention, wherein: the using of multiple degrees of freedom of light for information encoding to generate corresponding optical signals, the specific steps are as follows,

[0018] Selecting the polarization state, wavelength and phase of light as the carriers for information encoding;

[0019] Constructing an encoding function based on the three degrees of freedom of the polarization state, wavelength and phase of light for encoding the optical signal, and the expression is:

[0020] F(d(t)) = P(d(t),α)·W(d(t),β)·exp(j·Φ(d(t),γ));

[0021] Wherein, F(d(t)) represents the optical signal encoded by polarization, wavelength and phase, d(t) represents the input digital signal varying with time t, α represents different polarization states, β represents different wavelength points, γ represents different phase change amounts, P(d(t),α) represents the polarization encoding function, W(d(t),β) represents the wavelength encoding function, Φ(d(t),γ) represents the phase encoding function, exp represents the exponential function, and j represents the imaginary unit;

[0022] Inputting the digital signal into the encoding function to convert it into an optical signal;

[0023] Using an optical modulator to load the encoded signal onto a light source to generate an optical signal carrying information.

[0024] As a preferred embodiment of the data storage method integrating multiple magnetic, optical and electrical media according to the present invention, wherein: the selecting of a suitable storage medium for storing the encoded optical signal, the specific steps are as follows,

[0025] Selecting a photonic crystal storage medium as the storage platform;

[0026] Adopt a periodically arranged micro-structure to form a specific photonic bandgap to adapt to the storage of optical signals with different wavelengths. The periodic structure expression of the photonic crystal is:

[0027]

[0028] Among them, a represents the period of the photonic crystal, λ max represents the maximum storage wavelength point, nO represents the refractive index of the material, and θO represents the incident angle.

[0029] As a preferred solution of the data storage method integrating multiple magnetic and optical media according to the present invention, wherein: establishing the data writing mechanism and reading mechanism to improve efficiency, the specific steps are as follows.

[0030] Manufacture the photonic crystal structure by electron beam lithography;

[0031] Use the laser writing mechanism to write the encoded optical signal on the photonic crystal structure. The calculation formula for the signal writing efficiency is:

[0032]

[0033] Among them, E write represents the writing efficiency, ηL represents the energy conversion efficiency, P write represents the writing power, and P threshold represents the threshold power;

[0034] During the signal reading process, detect the optical signal on the medium and decode it into the original data. The expression for the reading efficiency is:

[0035]

[0036] Among them, E read represents the reading efficiency, S signal represents the signal intensity, and S noise represents the noise intensity;

[0037] When E read > 10, it indicates that the signal reading is stable and reliable. Otherwise, it indicates that the signal reading is unstable;

[0038] Regularly check the status of the storage medium to ensure its physical integrity and data integrity. For the maintenance of the storage medium, it is evaluated by detecting the number of defects on the surface of the storage medium. The expression is:

[0039]

[0040] Among them, Q integrity represents the integrity quality of the storage medium, and the value range is 0% to 100%. N total represents the total number of storage units, and N defectsIndicates the number of defective units.

[0041] As a preferred solution of the data storage method integrating magneto-optical and multiple media according to the present invention, wherein: the intelligent algorithm is used to construct a comprehensive evaluation function, and the storage space is allocated based on the comprehensive evaluation function to realize storage resource management. Specifically,

[0042] Collect the data block size, data type, and access frequency in the storage system;

[0043] Construct a comprehensive evaluation function based on the collected data, and the expression is:

[0044]

[0045] Among them, Z represents the comprehensive evaluation score, F represents the access frequency of the data block, I represents the importance of the data block, S represents the size of the data block, A represents the area of the storage medium, C represents a constant, and W represents the corresponding weight;

[0046] Set the threshold TT;

[0047] When Z≥TT, it means that the data block should be preferentially stored on the high-speed medium; when Z<TT, it means that it can be stored on the slower medium.

[0048] As a preferred solution of the data storage method integrating magneto-optical and multiple media according to the present invention, wherein: the performance index is set to construct a health evaluation function, and the running state of the storage system is continuously monitored, including,

[0049] Take the write efficiency E write 、read efficiency E read and the integrity quality Q of the storage medium integrity as performance indicators;

[0050] Construct a health evaluation function based on the performance indicators, and the expression is:

[0051]

[0052] Among them, H represents the comprehensive health score, E write\_norm represents the standard value of the write efficiency, E read\_norm represents the standard value of the read efficiency, Q integrity\_norm represents the standard value of the integrity quality of the storage medium;

[0053] Set the threshold TH. When H≥TH, the system will trigger an alarm mechanism to remind the administrator to perform maintenance. When H<TH, the system runs well and operates normally.

[0054] In a second aspect, the present invention provides a data storage system integrating magneto-optical and multiple media, including,

[0055] A collection module, responsible for collecting data from different data sources and converting these data into a unified digital format;

[0056] An encoding module, responsible for encoding the digitized information by using the characteristics of light and generating corresponding optical signals;

[0057] A storage medium module, responsible for selecting an appropriate storage medium and determining the optimal storage conditions according to the physical characteristics of the storage medium;

[0058] A writing and reading mechanism module, responsible for realizing effective writing and efficient reading of data and monitoring the physical state of the storage medium;

[0059] An evaluation and management module, responsible for evaluating the importance and access frequency of data blocks through intelligent algorithms and dynamically allocating storage space according to a comprehensive evaluation function.

[0060] In a third aspect, an embodiment of the present invention provides a computer device, including a memory and a processor, where the memory stores a computer program, and: when the computer program is executed by the processor, any step of the data storage method integrating multiple media of magnetic, optical and electric as described in the first aspect of the present invention is implemented.

[0061] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, and: when the computer program is executed by the processor, any step of the data storage method integrating multiple media of magnetic, optical and electric as described in the first aspect of the present invention is implemented.

[0062] The beneficial effects of the present invention are as follows: by using multiple degrees of freedom of light for information encoding, the data storage density and read / write speed are improved; selecting a suitable storage medium and an optimized data read / write mechanism reduce data redundancy and improve efficiency; using an intelligent algorithm for storage space allocation realizes effective management of storage resources; setting performance indicators to construct a health evaluation function ensures the stable operation of the storage system. Generally speaking, the present invention significantly improves the performance and reliability of the storage system through technological innovation. Description of the Drawings

[0063] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0064] Figure 1 It is a flowchart of the data storage method integrating multiple media of magnetic, optical and electric in Embodiment 1.

[0065] Figure 2 It is the flowchart of the comprehensive health score in Example 1. Specific implementation manners

[0066] To make the above objects, features and advantages of the present invention more obvious and understandable, the specific implementation manners of the present invention will be described in detail below with reference to the accompanying drawings of the specification.

[0067] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0068] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure or characteristic that can be included in at least one implementation manner of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it an individual or alternative embodiment that is mutually exclusive with other embodiments.

[0069] Example 1, referring to Figure 1 and Figure 2 , is the first embodiment of the present invention. This embodiment provides a data storage method that integrates multiple media of magnetic, optical and electrical, including the following steps:

[0070] S1 Collect multi-dimensional data, use multiple degrees of freedom of light for information encoding, and generate corresponding optical signals;

[0071] Collect analog signals, image data and audio data from different data sources;

[0072] Use an analog-to-digital converter to convert the analog signal into a digital signal, use image processing technology to convert the image data into image pixel values, and use audio codec technology to convert the audio data into digital audio;

[0073] Perform normalization processing on the converted data;

[0074] Collect the processed data to obtain a digital signal d(t);

[0075] Select the polarization state, wavelength and phase of light as the carriers for information encoding;

[0076] Based on the three degrees of freedom of the polarization state, wavelength and phase of light, construct an encoding function for optical signal encoding, and the expression is:

[0077] F(d(t)) = P(d(t), α)·W(d(t), β)·exp(j·Φ(d(t), γ));

[0078] Among them, F(d(t)) represents the optical signal after polarization, wavelength, and phase encoding, d(t) represents the input digital signal that varies with time t, including digital signals, image pixel values, and digital audio, α represents different polarization states, β represents different wavelength points, γ represents different phase change amounts, P(d(t), α) represents the polarization encoding function, W(d(t), β) represents the wavelength encoding function, Φ(d(t), γ) represents the phase encoding function, exp represents the exponential function, and j represents the imaginary unit;

[0079] Input the digital signal into the encoding function to convert it into an optical signal;

[0080] Use an optical modulator to load the encoded signal onto a light source to generate an optical signal carrying information;

[0081] The polarization encoding function P(d(t), α), the expression is:

[0082] P(d(t), α) = cos(αI·d(t)) + j·sin(α·d(t));

[0083] Among them, cos(α·d(t)) represents the real part of the polarization state adjusted according to the data d(t) and the polarization angle αI

[0084] The wavelength encoding function W(d(t), β), the expression is:

[0085]

[0086] Among them, i is the index variable, n represents the number of encoded wavelength points, βI represents the parameter controlling the function width, λ i represents the i-th wavelength point, and e represents the base of the natural logarithm;

[0087] The phase encoding function Φ(d(t), γ), the expression is:

[0088] Φ(d(t), γ) = γI·d(t);

[0089] Among them, γI represents the phase modulation coefficient.

[0090] S2 selects a suitable storage medium to store the encoded optical signal;

[0091] Select a photonic crystal storage medium as the storage platform because it has good optical performance, high storage density, and long lifespan characteristics;

[0092] Adopt a periodically arranged micro-structure to form a specific photonic bandgap to adapt to the storage of optical signals of different wavelengths. The periodic structure expression of the photonic crystal is:

[0093]

[0094] Among them, a represents the photonic crystal period, λ max represents the maximum storage wavelength point, nO represents the refractive index of the material, and θO represents the incident angle;

[0095] According to the physical size of the storage medium and the structural parameters of the photonic crystal, calculate the storage capacity, and the expression is:

[0096] C = A·TO·D;

[0097] Among them, C represents the storage capacity, A represents the area of the storage medium, TO represents the thickness of the storage medium, and D represents the storage density, that is, the number of bits per unit volume.

[0098] S3 establishes a data writing mechanism and a reading mechanism to improve efficiency;

[0099] Use electron beam lithography to fabricate the photonic crystal structure, which ensures the high quality and consistency of the storage medium;

[0100] Use a laser writing mechanism to write the encoded optical signal on the photonic crystal structure. The signal intensity and frequency factors need to be considered during the writing process. The signal writing efficiency calculation formula is:

[0101]

[0102] Among them, E write represents the writing efficiency, ηL represents the energy conversion efficiency, P write represents the writing power, P threshold represents the threshold power;

[0103] During the signal reading process, by detecting the optical signal on the medium and decoding it into the original data, the reading efficiency expression is:

[0104]

[0105] Among them, E read represents the reading efficiency, S signal represents the signal intensity, S noise represents the noise intensity;

[0106] Judge the stability of signal reading through E read When E read > 10, it indicates that the signal reading is stable and reliable. Otherwise, it indicates that the signal reading is unstable;

[0107] Regularly check the status of the storage medium to ensure its physical integrity and data integrity. For the maintenance of the storage medium, it is evaluated by detecting the number of defects on the surface of the storage medium. The expression is:

[0108]

[0109] Among them, Q integrity represents the integrity quality of the storage medium, with a value range of 0% to 100%, and N total represents the total number of storage units, and N defects represents the number of defective units;

[0110] Set the threshold YY;

[0111] When it is detected that Q integrity <YY, in the present invention, the value of YY is 95%, and the repair process is automatically triggered to restore data through the backup mechanism.

[0112] S4 uses an intelligent algorithm to construct a comprehensive evaluation function, allocates storage space based on the comprehensive evaluation function, and realizes storage resource management;

[0113] Collect the data block size, data type, and access frequency in the storage system;

[0114] Construct a comprehensive evaluation function based on the collected data, and the expression is:

[0115]

[0116] Among them, Z represents the comprehensive evaluation score, the value range of Z is (C, ∞), F represents the access frequency of the data block, I represents the importance of the data block, S represents the size of the data block, A represents the area of the storage medium, C represents a constant, and w represents the corresponding weight;

[0117] Set the threshold TT, and the threshold TT can be set according to historical data and business requirements;

[0118] When Z≥TT, it means that the data block should be preferentially stored on the high-speed medium; when Z<TT, it means that it can be stored on the slower medium;

[0119] The importance I of the data block includes data sensitivity S e and update frequency U f and usage frequency U s and data type D t , and the expression is:

[0120]

[0121] Among them, I represents the importance of the data block, and respectively correspond to the weights of data sensitivity, update frequency, usage frequency, and data type, and the sum of all weights is 1, and the weight ratio can be set according to requirements.

[0122] S5 sets performance indicators to construct a health assessment function and continuously monitors the operating status of the storage system.

[0123] Take the write efficiency E write , read efficiency E read and the integrity quality Q of the storage medium integrity as performance indicators;

[0124] Construct a health assessment function based on the performance indicators, and the expression is:

[0125]

[0126] where H represents the comprehensive health score, E write\_norm represents the standard value of the write efficiency, E read\_norm represents the standard value of the read efficiency, Q integrity\_norm represents the standard value of the integrity quality of the storage medium;

[0127] Set a threshold TH. When H≥TH, the system will trigger an alarm mechanism to remind the administrator to perform maintenance. When H<TH, the system is running well and operates normally;

[0128] The value range of the comprehensive health score H is [0,1]. When H is close to 0, it indicates that the system is running well; when H increases, it indicates that there are problems and further inspection and maintenance are required.

[0129] This embodiment also provides a data storage system that integrates multiple media of magnetic, optical, and electrical, including:

[0130] A collection module, responsible for collecting data from different data sources and converting these data into a unified digital format;

[0131] An encoding module, responsible for encoding the digitized information using the characteristics of light and generating corresponding optical signals;

[0132] A storage medium module, responsible for selecting an appropriate storage medium and determining the optimal storage conditions according to the physical characteristics of the storage medium;

[0133] A write and read mechanism module, responsible for realizing the effective writing and efficient reading of data and monitoring the physical state of the storage medium;

[0134] An evaluation and management module, responsible for evaluating the importance and access frequency of data blocks through intelligent algorithms and dynamically allocating storage space according to the comprehensive evaluation function.

[0135] This embodiment also provides a computer device, which is applicable to the case of a data storage method that integrates multiple media of magnetic, optical, and electrical. It includes: a memory and a processor; the memory is used to store computer-executable instructions, and the processor is used to execute the computer-executable instructions to implement the data storage method that integrates multiple media of magnetic, optical, and electrical as proposed in the above embodiment.

[0136] The computer device can be a terminal. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected through a system bus. Among them, the processor of the computer device is used to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The communication interface of the computer device is used to communicate with an external terminal in a wired or wireless manner. The wireless manner can be implemented through WIFI, a carrier network, NFC (Near Field Communication), or other technologies. The display screen of the computer device can be a liquid crystal display screen or an electronic ink display screen. The input device of the computer device can be a touch layer covering the display screen, or a button, a trackball, or a touchpad provided on the housing of the computer device, or an external keyboard, touchpad, or mouse, etc.

[0137] This embodiment also provides a storage medium, on which a computer program is stored. When the program is executed by a processor, it implements the data storage method that integrates multiple media of magnetic, optical, and electrical as proposed in the above embodiment; the storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as Static Random Access Memory (SRAM), Electrically Erasable Programmable Read-Only Memory (EEPROM), Erasable Programmable Read Only Memory (EPROM), Programmable Red-Only Memory (PROM), Read-Only Memory (ROM), magnetic memory, flash memory, a magnetic disk, or an optical disc.

[0138] In summary, the present invention: encodes information by utilizing multiple degrees of freedom of light, improving data storage density and read / write speed; selects a suitable storage medium and an optimized data read / write mechanism to reduce data redundancy and improve efficiency; adopts an intelligent algorithm for storage space allocation to achieve effective management of storage resources; sets performance indicators to construct a health assessment function to ensure the stable operation of the storage system. Generally speaking, the present invention significantly improves the performance and reliability of the storage system through technological innovation.

[0139] Example 2. Referring to Table 1, this is the second embodiment of the present invention. To further verify the technical solution of the present invention, experimental simulation data of a data storage method integrating multiple media of magnetic, optical, and electrical is given.

[0140] To verify the effectiveness of the proposed data storage method integrating multiple media of magnetic, optical, and electrical, the following detailed experimental steps were carried out. First, analog signals, image data, and audio data were obtained from multiple data sources. The analog signals were converted into digital signals using a high-precision analog-to-digital converter. At the same time, advanced image processing techniques were used to convert the image data into image pixel values, and audio codec techniques were applied to convert the audio data into digital audio. All the converted data were standardized to form digital signals in a unified format.

[0141] Next, three degrees of freedom of the polarization state, wavelength, and phase of light were selected to carry information. Based on these three degrees of freedom, an encoding function F(d(t)) = P(d(t),α)·W(d(t),β)·exp(j·Φ(d(t),γ)) was constructed to convert the digital signal d(t) into an optical signal. In this step, a precise optical modulator was used to load the encoded signal onto the light source to generate an optical signal carrying information.

[0142] For the selection of the storage medium, a photonic crystal storage medium was used as the storage platform. By precisely calculating the periodic structure of the photonic crystal, it was adapted to store optical signals of different wavelengths. To achieve efficient data writing and reading, a photonic crystal structure was fabricated using electron beam lithography, and a laser writing mechanism was adopted for signal writing. The signal writing efficiency E write is calculated by the formula During the reading process, by detecting the optical signal on the medium and decoding it back to the original data, the reading efficiency E read is expressed by ;

[0143] In addition, to better manage storage resources, an intelligent algorithm was adopted to construct a comprehensive evaluation function, and based on this function, the storage space was dynamically allocated. Finally, performance indicators were set and a health assessment function was constructed to continuously monitor the operating state of the storage system and ensure the stable operation of the system.

[0144] Specifically, as shown in Table 1:

[0145] Table 1 Experimental Record Table

[0146]

[0147] From the above data, it can be seen that the writing efficiency of the present invention reaches 0.9, far higher than 0.6 of the prior art A and 0.7 of technology B, indicating that the present invention has significant advantages in data writing. In addition, in terms of reading efficiency, the present invention also performs excellently, reaching 15, while the prior art A is only 5 and technology B is 8. This means that the present invention not only performs excellently in data writing but also is superior to the prior art in data reading, improving the overall efficiency of data access and storage;

[0148] Furthermore, the comprehensive health score shows that the score of the present invention is 0.01, significantly lower than 0.03 of the prior art A and 0.04 of technology B. This shows that the present invention also has obvious advantages in the system operation stability. Finally, from the data of the storage medium integrity quality, the present invention reaches 95%, far exceeding 80% of the prior art A and 85% of technology B, proving that the present invention can maintain higher data storage quality during long-term operation and reduce the risk of data loss.

[0149] In summary, through a series of technological innovations, the present invention has made significant progress in the efficiency, stability, and data quality of data storage, showing great practical value and innovation.

[0150] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A data storage method integrating magneto-optical and optical media, characterized in that: include, Collect multi-dimensional data, use multiple degrees of freedom of light to encode information, and generate corresponding optical signals; Selecting a suitable storage medium to store the encoded optical signal; Establish data writing and reading mechanisms to improve efficiency; Adopt intelligent algorithms to build comprehensive evaluation functions, allocate storage space based on the comprehensive evaluation functions, and realize storage resource management; Set performance indicators to build health assessment functions and continuously monitor the operating status of the storage system; The establishment of data writing mechanism and reading mechanism improves efficiency, and the specific steps are as follows: Fabrication of photonic crystal structures using electron beam lithography; Using the laser writing mechanism, the encoded optical signal is written on the photonic crystal structure. The signal writing efficiency is calculated as: Among them, E write represents writing efficiency, ηL represents energy conversion efficiency, P write Indicates the write power, P threshold represents the threshold power; In the signal reading process, the optical signal on the medium is detected and decoded into the original data. The reading efficiency expression is: Among them, E read Indicates the reading efficiency, S signal Indicates signal strength, S noise Indicates the noise intensity; When E read When >10, it indicates that the signal reading is stable and reliable, otherwise, it indicates that the signal reading is unstable; Regularly check the status of the storage medium to ensure its physical integrity and data integrity. The maintenance of the storage medium is evaluated by detecting the number of defects on the surface of the storage medium. The expression is: Among them, Q integrity Indicates the integrity quality of the storage medium, ranging from 0% to 100%. total Represents the total number of storage units, N defects Indicates the number of defective units.

2. The data storage method integrating magneto-optical and optical media as claimed in claim 1, characterized in that: The collecting of multi-dimensional data includes: Collect analog signals, image data and audio data from different data sources; An analog-to-digital converter is used to convert analog signals into digital signals, image processing technology is used to convert image data into image pixel values, and audio codec technology is used to convert audio data into digital audio; Standardize the transformed data; The processed data are collected to obtain a digital signal d(t).

3. The data storage method integrating magneto-optical and optical media as claimed in claim 2, characterized in that: The method of using multiple degrees of freedom of light to encode information and generate corresponding optical signals comprises the following specific steps: Select the polarization state, wavelength and phase of light as the carrier of information encoding; Based on the three degrees of freedom of light polarization state, wavelength and phase, a coding function is constructed to encode the optical signal. The expression is: F(d(t))=P(d(t),α)·W(d(t),β)·exp(j·Φ(d(t),γ)); Wherein, F(d(t)) represents the optical signal after polarization, wavelength and phase encoding, d(t) represents the input digital signal changing with time t, α represents different polarization states, β represents different wavelength points, γ represents different phase changes, P(d(t), α) represents the polarization encoding function, W(d(t), β) represents the wavelength encoding function, Φ(d(t), γ) represents the phase encoding function, exp represents the exponential function, and j represents the imaginary unit; The digital signal is input into the encoding function and converted into an optical signal; An optical modulator is used to load the encoded signal onto a light source to generate an optical signal that carries the information.

4. The data storage method integrating magneto-optical and optical media as claimed in claim 3, characterized in that: The specific steps of selecting a suitable storage medium to store the encoded optical signal are as follows: Select photonic crystal storage medium as the storage platform; A periodically arranged microstructure is used to form a specific photonic band gap to adapt to the storage of optical signals of different wavelengths. The periodic structure expression of the photonic crystal is: Where a represents the photonic crystal period, λ max represents the maximum storage wavelength point, nO represents the material refractive index, and θO represents the incident angle.

5. The data storage method integrating magneto-optical and optical media as claimed in claim 4, characterized in that: The intelligent algorithm is used to construct a comprehensive evaluation function, and storage space is allocated based on the comprehensive evaluation function to achieve storage resource management, specifically, Collect data block size, data type, and access frequency in the storage system; A comprehensive evaluation function is constructed based on the collected data, and the expression is: Among them, Z represents the comprehensive evaluation score, F represents the access frequency of the data block, I represents the importance of the data block, S represents the size of the data block, A represents the area of the storage medium, C represents a constant, and w represents the corresponding weight; Set the threshold TT; When Z≥TT, it means that the data block should be preferentially stored on the high-speed medium; when Z<TT, it means that it can be stored on the slower medium.

6. The data storage method integrating magneto-optical and optical media as claimed in claim 5, characterized in that: The set performance indicators construct a health assessment function to continuously monitor the operating state of the storage system, including Write the efficiency E write , reading efficiency E read and the integrity quality of the storage medium Q integrity As a performance indicator; Construct a health assessment function based on performance indicators, and the expression is: Among them, H represents the comprehensive health score, E write\_norm Indicates the standard value of writing efficiency, E read\_norm Indicates the standard value of reading efficiency, Q integrity\_norm A standard value representing the integrity quality of a storage medium; Set the threshold TH. When H≥TH, the system will trigger an alarm mechanism to remind the administrator to perform maintenance. When H<TH, the system runs well and operates normally.

7. A data storage system integrating multiple magneto-optical and optical media, based on the data storage method integrating multiple magneto-optical and optical media as claimed in any one of claims 1 to 6, characterized in that: Including: A collection module, responsible for collecting data from different data sources and converting these data into a unified digital format; An encoding module, responsible for encoding the digitized information using the characteristics of light and generating corresponding optical signals; A storage medium module, responsible for selecting an appropriate storage medium and determining the optimal storage conditions according to the physical characteristics of the storage medium; A write and read mechanism module, responsible for realizing the effective writing and efficient reading of data and monitoring the physical state of the storage medium; An evaluation and management module, responsible for evaluating the importance and access frequency of data blocks through intelligent algorithms and dynamically allocating storage space according to the comprehensive evaluation function.

8. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, it implements the steps of the data storage method for integrating magnetic, optical, and electro-optical media according to any one of claims 1 to 6.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by the processor, it implements the steps of the data storage method for integrating magnetic, optical, and electro-optical media according to any one of claims 1 to 6.

Citation Information

Patent Citations

  • Optical information storage method based on columnar vector light beam

    CN111145791A

  • Server cluster capacity evaluation method and device, electronic equipment and storage medium

    CN113407426A