Method for broadband wireless signal reception based on rydberg atoms

By preparing Rydberg states by pumping cesium atoms with multi-wavelength laser light fields and establishing the correspondence between laser wavelength and Rydberg states, the problems of large size and low detection sensitivity of long-wavelength antennas were solved, and high-sensitivity, broadband coverage wireless signal reception was achieved.

CN114460377BActive Publication Date: 2026-02-17NETWORK INFORMATION RES INST INST OF SYST ENG ACAD OF MILITARY SCI
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Patent Information

Application Number
CN202111565129.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-12-20
Publication Date
2026-02-17
Estimated Expiration
2041-12-20

AI Technical Summary

Technical Problem

In existing technologies, long-wave and very long-wave antennas are large in size, and it is difficult to balance measurement bandwidth and detection sensitivity. In particular, there is a bottleneck in detection sensitivity, and it is difficult to maintain the consistency of frequency modulation communication.

Method used

By pumping cesium atoms with multi-wavelength laser light fields to bring them to a near-ionized Rydberg state, a one-to-one correspondence between laser wavelengths and Rydberg states is established. Different Rydberg states respond to different microwave frequency bands, and high-sensitivity measurements are performed using spectral characteristics to achieve broadband wireless signal reception.

Benefits of technology

It achieves high-sensitivity, low-overlap rate, and full-spectrum coverage wireless signal reception, and can identify frequency points and provide the operating frequency range of broadband wireless communication signals, breaking through the measurement bottleneck of traditional antennas.

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Abstract

The application discloses a broadband wireless signal receiving method based on Rydberg atoms, and utilizes the interaction between multi-wavelength laser light fields and alkali metal energy levels to prepare Rydberg states. Through the accurate regulation of each frequency component of the multi-wavelength laser light fields, multiple Rydberg states with different response frequency bands exist in a single atomic medium. The response of different Rydberg states to different electromagnetic spectra is utilized to realize the frequency point identification and wide spectrum receiving of wireless signals. The application utilizes a single atomic medium and multiple pump wavelengths, and can effectively meet the application requirements of small-size long-wave antennas, same-structure cross-band broadband antennas and frequency-independent frequency modulation antennas, and provides a technical solution for upgrading the performance of a broadband wireless communication system.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the cross discipline of quantum precision measurement and wireless communication, and particularly relates to a wireless signal receiving method based on a multi-wavelength pumped Rydberg atom antenna, which realizes miniaturization, high sensitivity, multi-band response and wideband coverage. BACKGROUND

[0002] Various instruments based on quantum precision measurement technology have enabled physical quantity measurement to reach an unprecedented precision. The most promising means for realizing electromagnetic field precision measurement is a Rydberg atom antenna, which mainly prepares a Rydberg state close to an excited state through the interaction between a laser light field and an alkali metal energy level, measures the energy level splitting of the Rydberg atom under the action of an electric field through spectral characteristics, and inverses the electric field strength characteristics. Compared with traditional antennas, the advantages of the Rydberg atom antenna are as follows: (1) the Rydberg atom antenna can trace the microwave electromagnetic field strength to the basic constants of the International System of Units; (2) the probe geometry size is no longer restricted by the working frequency, that is, the signal receiving function that can be realized by a tens-of-kilometer-long wave antenna can be realized by a size-independent Rydberg atom antenna; (3) based on the atomic hyperfine energy level structure, the Rydberg atom antenna can realize ultra-wideband signal reception from microwaves to terahertz based on a single atomic medium, meeting the signal receiving requirements of frequency modulation communication antennas; (4) the detection sensitivity of the Rydberg atom antenna is theoretically at least one order of magnitude higher than that of traditional antennas, which can break through the bottleneck of classical measurement and approach the Heisenberg limit.

[0003] On the other hand, with the rapid development of wideband wireless communication systems, the following signal receiving short board problems are increasingly prominent: first, the size of a long wave and very long wave antenna often reaches a kilometer level, and it is difficult to deploy and operate; second, the measurement bandwidth and detection sensitivity are always difficult to balance, especially the detection sensitivity is bottlenecked; third, for frequency modulation security communication, the consistency of the frequency of the two communication parties will put forward strict requirements for antenna design. SUMMARY

[0004] Based on the problems of the prior art, the present application solves the technical problem of how to use the interaction between a multi-wavelength laser light field and an alkali metal energy level to prepare a Rydberg state, so that each frequency laser will make the strongest response of a plurality of Rydberg states existing in a single atomic medium to different electromagnetic frequency bands, frequency point identification of wireless signals is realized according to the response of different pump lasers, and wideband wireless signal reception is realized by demodulating the power change of each laser frequency component.

[0005] In view of the defects in the prior art, the purpose of the present application is to provide a wideband wireless signal receiving method based on Rydberg atoms, which pumps cesium atoms into a Rydberg state close to ionization by a multi-wavelength laser field, establishes a one-to-one correspondence between the laser wavelength and the Rydberg state, and makes different Rydberg states respond to different microwave frequency bands, each response band minimizes overlap and can cover a larger microwave bandwidth; according to the response of different laser wavelengths, the frequency point range of the microwave frequency band is determined; through accurate detection of the spectral characteristics of the laser wavelength, high-sensitivity measurement of wireless signals at any frequency point in the wideband range is performed, and the wireless communication signal operating frequency point range is provided.

[0006] Preferably, the wireless communication signal operating frequency point range can be deduced from the operating frequency point range.

[0007] Preferably, a multi-wavelength laser generates a multi-wavelength laser field to pump cesium atoms and excite them to different Rydberg states, the Rydberg energy level is related to the pump laser wavelength, and the Rydberg atoms at different energy levels have high-sensitivity response to different bands of microwaves.

[0008] Preferably, wireless signals mixed with various frequency components are perceived by different Rydberg atoms, the time-varying information of the intensity of each frequency component wireless signal is loaded on each laser corresponding to the different Rydberg atoms, and wireless signal demodulation is realized through frequency shift detection or intensity detection.

[0009] Preferably, the method specifically comprises:

[0010] S101, a multi-wavelength laser field is used to pump cesium atoms, so that they are in a Rydberg state close to ionization, a one-to-one correspondence between the laser wavelength and the Rydberg state is established, different Rydberg states respond to different microwave frequency bands, and each response band minimizes overlap and can cover a larger microwave bandwidth;

[0011] S102, according to the response of different laser wavelengths, the frequency point range of the microwave frequency band is determined;

[0012] S103, through accurate detection of the spectral characteristics of the laser wavelength, high-sensitivity measurement of wireless signals at any frequency point in the wideband range is performed, and the wireless communication signal operating frequency point range and other related information are provided.

[0013] Preferably, the method specifically comprises:

[0014] S201, a multi-wavelength laser is used to pump a cesium atom gas chamber, a plurality of cesium atoms in the chamber are prepared to different Rydberg states, and the Rydberg atoms are made to perceive various wireless communication signals through accurate control of the pump laser spectrum;

[0015] S202, input the wireless signal of multiple frequency components into the cesium atom cell, the cesium atom at a specific Rydberg energy level receives the intensity information of the wireless signal of a specific frequency component, converts it into the frequency shift information of the corresponding laser wavelength, converts it into the light intensity information by demodulation and is detected by the photodetector;

[0016] S203, according to the laser wavelength of the response, the responding Rydberg atom and the corresponding wireless signal response bandwidth are deduced, and the frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined according to the measurement results.

[0017] Preferably, the Rydberg state is prepared by utilizing the interaction between the multi-wavelength laser light field and the alkali metal energy level, and multiple Rydberg states with different response frequency bands exist in a single atomic medium by the regulation of the frequency components of the multi-wavelength laser light field.

[0018] Preferably, the frequency point identification and wideband spectrum reception of the wireless signal are realized by the response of different Rydberg states to different electromagnetic spectra.

[0019] A system for realizing a wideband wireless signal receiving method based on Rydberg atoms, comprising a multi-wavelength laser or multiple lasers and a photodetector, and further comprising a Rydberg state preparation module, a frequency point identification module and a wideband wireless signal receiving module, wherein,

[0020] The Rydberg state preparation module is used for pumping the cesium atom by the multi-wavelength laser light field, so that the cesium atom is in a Rydberg state close to ionization, a one-to-one correspondence between the laser wavelength and the Rydberg state is established, different Rydberg states respond to different microwave frequency bands, and each response band is as small as possible and can cover a large microwave bandwidth.

[0021] The frequency point identification module is used for frequency point identification based on Rydberg atoms, and the frequency point range of the microwave frequency band is determined according to the response of different laser wavelengths.

[0022] The wideband wireless signal receiving module is used for wideband wireless signal receiving based on Rydberg atoms, and the wireless signal at any frequency point in the wideband range is measured with high sensitivity by accurately detecting the spectral characteristics of the laser wavelength, and the working frequency point range of the wireless communication signal is provided.

[0023] A computer readable storage medium, which stores a computer program, the program being executed by a processor to realize the above method.

[0024] A computer program product, comprising a computer program / instruction, which is executed by a processor to realize the steps of the above method.

[0025] Compared with the prior art, the present application has the following advantages:

[0026] 1. Use multiple-wavelength laser to pump cesium atom cell, and prepare multiple cesium atoms in different Rydberg states. Through accurate control of the spectrum of the pump laser, the Rydberg atoms can be used to sense all kinds of wireless communication signals with high sensitivity, low overlap rate and full spectrum coverage.

[0027] 2. The wireless signal containing multiple frequency components is input into the cesium atom cell. The cesium atoms in a specific Rydberg state can sense the intensity information of the wireless signal of a specific frequency component, and convert it into frequency shift information of the corresponding laser wavelength. Through certain demodulation means, the information can be converted into light intensity information and detected by a photoelectric detector.

[0028] 3. According to the responding laser wavelength, the responding Rydberg atom and its corresponding wireless signal response bandwidth are deduced. The frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined by comprehensive measurement results, and the wireless signal receiving function with high sensitivity, miniaturization, wideband coverage and frequency point identification is realized. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced. For those skilled in the art, other drawings can also be obtained without creative labor on the premise of not paying the creative labor.

[0030] Figure 1 The working principle of the wideband wireless signal receiving based on Rydberg atoms is shown. DETAILED DESCRIPTION

[0031] The features and exemplary embodiments of each aspect of the present application will be described in detail below. In order to make the purpose, technical solutions and advantages of the present application more clear and apparent, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only configured to explain the present application, and are not configured to limit the present application. For those skilled in the art, the present application can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the present application by showing examples of the present application.

[0032] It is to be noted that the relative terms such as first and second and the like in this context are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprises", "comprising", or any other variations 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by an "includes" statement does not exclude the existence of additional elements in the process, method, article, or apparatus that includes the element.

[0033] The present application provides an embodiment of a wideband wireless signal receiving method based on Rydberg atoms, which pumps cesium atoms into a near-ionized Rydberg state through a multi-wavelength laser field, establishes a one-to-one correspondence between the laser wavelength and the Rydberg state, and makes different Rydberg states respond to different microwave frequency bands, each response band minimizes overlap and can cover a large microwave bandwidth; according to the response of different laser wavelengths, the frequency point range of the microwave frequency band is determined; through accurate detection of the spectral characteristics of the laser wavelength, high-sensitivity measurement of wireless signals at any frequency point in the wideband range is performed, and the working frequency point range of the wireless communication signal is provided.

[0034] In some embodiments, the working frequency point range of the wireless communication signal can be deduced from the source according to the working frequency point range.

[0035] In some embodiments, a multi-wavelength laser generates a multi-wavelength laser field to pump cesium atoms and excite them to different Rydberg states, the Rydberg energy level is related to the pumping laser wavelength, and the Rydberg atoms at different energy levels have high-sensitivity response to different bands of microwaves.

[0036] In some embodiments, wireless signals mixed with various frequency components are perceived by different Rydberg atoms, the time-varying information of the intensity of each frequency component wireless signal is loaded on each laser corresponding to the different Rydberg atoms, and wireless signal demodulation is realized through frequency shift detection or intensity detection.

[0037] The present application provides an embodiment of a wideband wireless signal receiving method based on Rydberg atoms, which pumps cesium atoms into a near-ionized Rydberg state through a multi-wavelength laser field, establishes a one-to-one correspondence between the laser wavelength and the Rydberg state, and makes different Rydberg states respond to different microwave frequency bands, each response band minimizes overlap and can cover a large microwave bandwidth; according to the response of different laser wavelengths, the frequency point range of the microwave frequency band is determined; through accurate detection of the spectral characteristics of the laser wavelength, high-sensitivity measurement of wireless signals at any frequency point in the wideband range is performed, and the working frequency point range of the wireless communication signal is provided.

[0038] S101, a multi-wavelength laser field is used to pump cesium atoms into a near-ionized Rydberg state, a one-to-one correspondence between the laser wavelength and the Rydberg state is established, different Rydberg states respond to different microwave frequency bands, and each response band minimizes overlap and can cover a large microwave bandwidth;

[0039] S102, determine the frequency point range of the microwave frequency band according to the response of different laser wavelengths;

[0040] S103, through the accurate detection of the laser wavelength spectrum characteristics, the wireless signal of any frequency point in the wideband range is measured with high sensitivity, and the wireless communication signal working frequency point range and other related information are provided.

[0041] The embodiment of the application provides a wideband wireless signal receiving method based on Rydberg atoms, comprising:

[0042] S201, a plurality of cesium atoms in the cesium atom gas chamber are prepared to different Rydberg states by using multi-wavelength laser pumping, and the Rydberg atoms can be sensitive to various wireless communication signals through accurate control of the pumping laser spectrum;

[0043] S202, the wireless signal of multiple frequency components is input into the cesium atom gas chamber, the cesium atoms at the specific Rydberg energy level can sense the intensity information of the wireless signal of the specific frequency component, and the intensity information is converted into the frequency shift information of the corresponding laser wavelength, which is converted into the light intensity information by demodulation and detected by the photoelectric detector;

[0044] S203, the Rydberg atom producing the response and the corresponding wireless signal response bandwidth are deduced according to the laser wavelength producing the response, and the frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined according to the comprehensive measurement results.

[0045] The embodiment of the application provides a wideband wireless signal receiving method based on Rydberg atoms, comprising:

[0046] S301, a plurality of cesium atoms in the cesium atom gas chamber are prepared to different Rydberg states by using multi-wavelength laser pumping, and the Rydberg atoms can be sensitive to various wireless communication signals through accurate control of the pumping laser spectrum;

[0047] S302, the wireless signal containing multiple frequency components is input into the cesium atom gas chamber, the cesium atoms at the specific Rydberg energy level can sense the intensity information of the wireless signal of the specific frequency component, and the intensity information is converted into the frequency shift information of the corresponding laser wavelength, which is converted into the light intensity information by a certain demodulation means and detected by the photoelectric detector;

[0048] S303, the Rydberg atom producing the response and the corresponding wireless signal response bandwidth are deduced according to the laser wavelength producing the response, and the frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined according to the comprehensive measurement results, so as to realize the wireless signal receiving function of high sensitivity, miniaturization, wideband coverage and frequency point identification.

[0049] In some embodiments, Rydberg states are prepared by the interaction between multi-wavelength laser light fields and alkali metal energy levels. By modulating the frequency components of the multi-wavelength laser light fields, multiple Rydberg states with different response frequency bands can exist in a single atomic medium.

[0050] In some embodiments, frequency point identification and broadband reception of wireless signals are achieved by utilizing the responses of different Rydberg states to different electromagnetic spectra.

[0051] This invention provides a system embodiment for implementing the above-described broadband wireless signal receiving method based on Rydberg atoms, comprising a multi-wavelength laser or multiple lasers and a photodetector, and further comprising a Rydberg state preparation module, a frequency point identification module, and a broadband wireless signal receiving module, wherein...

[0052] The Rydberg state preparation module is used to pump cesium atoms with multi-wavelength laser light fields to make them in a near-ionized Rydberg state, establish a one-to-one correspondence between laser wavelength and Rydberg state, and different Rydberg states respond to different microwave frequency bands. The overlap of each response band is minimized and can cover a large microwave bandwidth.

[0053] The frequency identification module is used for frequency identification based on Rydberg atoms. It determines the frequency range of the microwave band according to the response of different laser wavelengths.

[0054] The broadband wireless signal receiving module is used for broadband wireless signal reception based on Rydberg atoms. It can perform highly sensitive measurement of wireless signals at any frequency point in the broadband range by accurately detecting the spectral characteristics of laser wavelengths, and at the same time provide the operating frequency range of wireless communication signals.

[0055] like Figure 1 The diagram illustrates an embodiment of a broadband wireless signal reception method based on Rydberg atoms. A multi-wavelength laser (or multiple lasers as shown in the diagram) generates multi-wavelength laser light, pumps cesium atoms, and excites them to different Rydberg states. The Rydberg energy levels are related to the pump laser wavelength, and Rydberg atoms at different energy levels exhibit highly sensitive responses to microwaves in different bands. Wireless signals mixed with various frequency components are sensed by different Rydberg atoms. The time-varying intensity information of each frequency component is loaded onto the laser light of the corresponding Rydberg atom. Wireless signal demodulation is achieved through frequency shift detection or intensity detection. Frequency detection and broadband reception based on Rydberg atoms are characterized by: preparing different Rydberg states, each capable of highly sensitively responding to electromagnetic signals within a narrow bandwidth; ensuring that the response bandwidths of each Rydberg state do not overlap as much as possible; and having enough Rydberg states to ensure that all electromagnetic signals within the broadband range can be sensed by at least one and at most two Rydberg states. The number of Rydberg states can be deduced from the number of laser wavelengths that generate the response, thereby determining the frequency components in the wireless signal.

[0056] The application provides an embodiment of a broadband wireless signal receiving method based on Rydberg atoms, which utilizes the interaction between multi-wavelength laser light field and alkali energy level to prepare Rydberg states, accurately regulates each frequency component of the multi-wavelength laser light field to make a single atomic medium exist in multiple Rydberg states with different response frequency bands, and utilizes the response of different Rydberg states to different electromagnetic spectrum to realize frequency point identification and broadband receiving of wireless signals.

[0057] In some embodiments, the preparation of the Rydberg state utilizes a multi-wavelength laser or multiple tunable lasers or a nonlinear optical frequency comb light source to pump alkali metal atoms such as cesium atoms to be excited to a Rydberg state close to ionization, and multiple alkali metal atoms exist on each Rydberg state, which respectively produce maximum response to electromagnetic signals of different microwave bands.

[0058] In some embodiments, the specific details of the preparation of the Rydberg state by the multi-wavelength laser are not limited, and various details such as the pumping laser spectrum parameters, the construction mode of the alkali metal atom gas chamber, and the type of the alkali metal atom are not limited.

[0059] In some embodiments, the Rydberg atoms in the broadband receiving receive the electromagnetic signals and produce frequency drift, and the corresponding relationship between the output light intensity and the electromagnetic signal intensity can be established by means of interference measurement, so as to realize the detection accuracy and sensitivity close to the Heisenberg limit.

[0060] In some embodiments, the system structure, the atomic composition, the pumping mode, the detection mode, the working bandwidth, the tuning range, the device structure, and the system parameters are not limited.

[0061] In some embodiments, the atoms in different Rydberg states receive different frequency components of the wireless signals in the frequency point identification, and produce responses related to the laser wavelength; each Rydberg state can respond to electromagnetic signals in a narrow band with high sensitivity, the response bandwidths of the Rydberg states do not overlap as much as possible, and the number of the Rydberg states needs to be such that all electromagnetic signals in a broadband range can be perceived by at least one or two Rydberg states. The number of the Rydberg states can be deduced according to the number of the laser wavelengths producing the responses, and then the frequency components in the wireless signals are determined.

[0062] In some embodiments, the response bandwidth of each Rydberg state is not limited, that is, the frequency point identification accuracy is not limited, and various methods for realizing response bandwidth tuning and improving the frequency point identification accuracy by accurately regulating the laser wavelength on the basis of the application also belong to the scope of the claims of the application.

[0063] The application also provides an embodiment of a computer-readable storage medium, which stores a computer program, and the program is executed by a processor to realize the above method.

[0064] The application also provides an embodiment of a computer program, which is executed by a processor to realize the above method.

[0065] Compared with the prior art, the present application has the following advantages:

[0066] Firstly, a plurality of cesium atoms in the cesium atom chamber are prepared into different Rydberg states by using a multi-wavelength laser, and the Rydberg atoms can sensitively, lowly, and fully cover a spectrum of wireless communication signals by accurately controlling the spectrum of the pump laser.

[0067] Secondly, the wireless signals containing a plurality of frequency components are input into the cesium atom chamber, the cesium atoms at specific Rydberg energy levels can sense the intensity information of the wireless signals of specific frequency components, and convert the intensity information into frequency shift information of corresponding laser wavelengths, which can be converted into light intensity information by a certain demodulation method and detected by a photoelectric detector.

[0068] Finally, the Rydberg atoms and the corresponding wireless signal response bandwidths are deduced according to the generated response laser wavelengths, and the frequency components and the intensity time-varying information of each frequency component of the wireless signals are determined by comprehensively measuring the results, so as to realize the wireless signal receiving function with high sensitivity, miniaturization, wideband coverage, and frequency point identification.

[0069] For the convenience of description, the above device is described as various units by function. Of course, the functions of the units can be realized in the same or multiple software and / or hardware in the implementation of the present application.

[0070] Those skilled in the art should understand that the embodiments of the present application can be provided as a method, a system, or a computer program product. Therefore, the present application can adopt a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the present application can adopt the form of a computer program product implemented on one or more computer usable storage media containing computer usable program code (including but not limited to disk storage, CD-ROM, optical storage, etc.).

[0071] The present application is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present application. It should be understood that each flow and / or block in the flowcharts and / or block diagrams, and the combination of flows and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions. These computer program instructions can be provided to a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing devices to produce a machine, so that the instructions executed by the computer or other programmable data processing devices produce a device that implements the functions specified in the flowcharts and / or block diagrams. Figure 1 The functions specified in one flow or multiple flows and / or blocks Figure 1 The functions specified in one flow or multiple flows and / or blocks

[0072] The application can 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, and the like, that perform particular tasks or implement particular abstract data types. The application can 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 can be located in both local and remote computer storage media including memory storage devices.

[0073] These computer program instructions can 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 instructions which implement the flow Figure 1 The flow or flows and / or blocks Figure 1 The flow or flows and / or blocks

[0074] These computer program instructions can 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 flow Figure 1 The flow or flows and / or blocks Figure 1 The flow or flows and / or blocks

[0075] In one typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0076] The memory can include non-persistent memory and / or volatile memory, such as random access memory (RAM) and / or cache memory, non-volatile memory, such as read-only memory (ROM), EPROM, and / or flash memory, etc. The memory is an example of computer-readable media.

[0077] Computer-readable media includes permanent and non-permanent, movable and non-movable media that can be implemented by any method or technology to store information. The information can be computer-readable instructions, data structures, program modules 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 disc (DVD) or other optical storage, magnetic cassette, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information accessible to a computing device. According to the definition herein, computer-readable media does not include transitory media such as modulated data signals and carriers.

[0078] It should also be noted that the terms "comprising", "containing", or any other variant thereof are intended to cover non-exclusive inclusions, such that a process, method, article or apparatus that comprises a list of elements does not only include those elements, but also other elements not explicitly listed, or other elements inherent to such a process, method, article or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising the element.

[0079] Each of the embodiments in the specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the difference from other embodiments. In particular, for system embodiments, since they are basically similar to method embodiments, the description is relatively simple, and the relevant parts can be referred to the part of the method embodiment.

[0080] The above only describes the embodiments of the present application and does not limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of claims of the present application.

Claims

1. A method for receiving wideband wireless signals based on Rydberg atoms, comprising: S101, pumping cesium atoms into a near-ionized Rydberg state by a multi-wavelength laser field to establish a one-to-one correspondence between the laser wavelength and the Rydberg state, and to make different Rydberg states respond to different microwave frequency bands, wherein each response band is as small as possible and can cover a large microwave bandwidth, a multi-wavelength laser generates a multi-wavelength laser field to pump cesium atoms and excite them to different Rydberg states, wherein the Rydberg energy level is related to the pumping laser wavelength, and the Rydberg atoms at different energy levels have high sensitivity to different bands of microwaves; S102, determining the frequency range of the microwave frequency band according to the response of different laser wavelengths, the wireless signals mixed with various frequency components are sensed by different Rydberg atoms, and the intensity time-varying information of each frequency component wireless signal is loaded on each laser corresponding to different Rydberg atoms, and the wireless signal demodulation is realized by frequency shift detection or intensity detection; S103, through accurate detection of the spectral characteristics of the laser wavelength, high-sensitivity measurement of the wireless signal at any frequency point in the wideband range is realized, and the working frequency point range of the wireless communication signal is provided, the working frequency point range of the wireless communication signal can be deduced according to the working frequency point range; wherein, a multi-wavelength laser is used to pump a cesium atom cell, and a plurality of cesium atoms in the cell are prepared into different Rydberg states, and the Rydberg atoms are made to sense various wireless communication signals through accurate control of the pumping laser spectrum; a plurality of frequency component wireless signals are input into the cesium atom cell, the cesium atoms at a specific Rydberg energy level sense the intensity information of the specific frequency component wireless signal, and convert it into frequency shift information of the corresponding laser wavelength, which is converted into light intensity information by demodulation and detected by a photodetector; the responding Rydberg atoms and their corresponding wireless signal response bandwidth are deduced according to the responding laser wavelength, and the frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined according to the comprehensive measurement results. 2.The method for receiving wideband wireless signals based on Rydberg atoms according to claim 1, wherein the Rydberg state is prepared by using the interaction between a multi-wavelength laser field and an alkali metal energy level, and a plurality of Rydberg states with different response frequency bands exist in a single atomic medium by regulating each frequency component of the multi-wavelength laser field. 3.The method for receiving wideband wireless signals based on Rydberg atoms according to claim 1, wherein the frequency point identification and wide-spectrum reception of the wireless signal are realized by using the response of different Rydberg states to different electromagnetic spectra. 4.A system for realizing the method for receiving wideband wireless signals based on Rydberg atoms according to claim 1, comprising a multi-wavelength laser or a plurality of lasers and a photodetector, and further comprising a Rydberg state preparation module, a frequency point identification module, and a wideband wireless signal receiving module, wherein the Rydberg state preparation module is configured to pump cesium atoms into a near-ionized Rydberg state by a multi-wavelength laser field to establish a one-to-one correspondence between the laser wavelength and the Rydberg state, and to make different Rydberg states respond to different microwave frequency bands, wherein each response band is as small as possible and can cover a large microwave bandwidth, The multi-wavelength laser generates multi-wavelength laser field to pump cesium atoms and excite them to different Rydberg states, the Rydberg energy levels are related to the pump laser wavelength, and the Rydberg atoms at different energy levels have high sensitivity response to different bands of microwaves, The wireless signals mixed with various frequency components are perceived by different Rydberg atoms, the intensity time-varying information of each frequency component wireless signal is loaded on each laser corresponding to different Rydberg atoms, and the wireless signal demodulation is realized through frequency shift detection or intensity detection; The frequency point identification module is used for frequency point identification of the Rydberg atom, and the frequency point range of the microwave frequency band is determined according to the response of different laser wavelengths; The wideband wireless signal receiving module is used for wideband wireless signal receiving based on the Rydberg atom, and the wireless signal at any frequency point in the wideband range is measured with high sensitivity through accurate detection of the laser wavelength spectral characteristics, and the wireless communication signal operating frequency point range is provided, The wireless communication signal operating frequency point range can be deduced according to the operating frequency point range; The multi-wavelength laser pumps the cesium atom cell, and a plurality of cesium atoms in the cell are prepared to different Rydberg states, and the Rydberg atoms are subjected to various wireless communication signals through accurate control of the pump laser spectrum; The wireless signals of multiple frequency components are input into the cesium atom cell, the cesium atoms at a specific Rydberg energy level perceive the intensity information of the wireless signals of specific frequency components, and convert the intensity information into frequency shift information of the corresponding laser wavelength, and then convert the frequency shift information into light intensity information through demodulation and detect the light intensity information by the photoelectric detector; The Rydberg atom generating the response and the corresponding wireless signal response bandwidth are deduced according to the laser wavelength generating the response, and the frequency components of the wireless signal and the intensity time-varying information of each frequency component are determined according to the comprehensive measurement results.

5. A computer readable storage medium having stored thereon a computer program, which, when executed by a processor, implements the method of any one of claims 1-3.

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