Multi-satellite cooperative electro-optical hybrid communication method based on Rydberg atoms and photo-generated microwaves

Abstract

The invention discloses a multi-satellite cooperative electro-optical hybrid communication method based on Rydberg atoms and photo-generated microwaves, and the method comprises the steps: preparing a Rydberg state through the interaction of a laser light field and an alkali metal energy level, and converting a wireless communication signal into a laser communication signal through the energy level splitting and spectrum change generated by the Rydberg atoms under the action of an electromagnetic field; a laser communication signal is used for pumping a nonlinear optical microcavity or a one-way carrier photodiode to generate microwave oscillation, and the laser communication signal is converted into a wireless communication signal; communication carriers are reasonably selected according to satellite-ground and inter-satellite communication link conditions and service requirements, and efficient multi-satellite cooperative electro-optical hybrid communication is achieved. According to the invention, the intercommunication and interconnection steps of the heterogeneous communication system can be effectively reduced, and an important solution is provided for comprehensively improving the global coverage satellite communication network performance.

Description

technical field [0001] The invention belongs to the interdisciplinary subject of quantum precision measurement, quantum communication and microwave photonics, and specifically refers to the realization of full physical conversion of laser communication signals and microwave communication signals based on Rydberg antennas and optical microwave oscillators, according to inter-satellite and satellite-ground communication A method for switching communication modes and realizing multi-satellite cooperative electro-optic hybrid communication based on link real-time and channel requirements, in particular relates to a multi-satellite cooperative electro-optic hybrid communication method, system and storage medium based on Rydberg atoms and optically generated microwaves. Background technique [0002] The frequency of the light wave band is 5-6 orders of magnitude higher than that of the microwave band, and the difference in the fluctuation and particle nature of the corresponding el...

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Problems solved by technology

[0003] The current interconnection between the microwave communication system and the laser communication system uses an information interface, that is, the data information of the laser communication signal is extracted through a photoelectric detector → the microwave communication signal is generated by an electronically controlled microwave source, and the microwave communication signal is extracted through a microwave detector → Electronically controlled lasers are used to generate laser communication signals, which are always accompanied by electrical signals carrying plaintext information in the information interface, and the operation steps are complicated and there are exits for information leakage

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