Rydberg Atom Receiver for Radio Frequency Communication
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1.Shenyang Normal University;2.Chongqing University of Posts and Telecommunications;3.National Time Service Center, Chinese Academy of Sciences

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Fund Project:

The Natural Science Foundation of China (Grant No.CSTB2024NSCO-MSX0746),State Key and the Laboratory of Quantum Optics and Quantum Optics Devices (Grant No.KF202408),The National Natural Science Foundation of China (Grant No. 52175531)

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    Abstract:

    This research presents the construction of a Rydberg atom receiver for audio transmission. Composed of a radio fre-quency (RF) field emission system and a Rydberg atom-based receiving device, the receiver has successfully achieved the transmission of music signals. Cesium (Cs) atoms are excited to the Rydberg state utilizing 509 nm pulsed light and 852 nm continuous light. The experiment examines the 83S1/2 Rydberg state of Cs atoms, employs the electromagnetical-ly induced transparency (EIT) phenomenon to detect spectrum signals, explores the EIT conditions across several mi-crowave states, and evaluates the effects of baseband bandwidth and transient responsiveness. The receiver, operating at a 6.067 GHz carrier frequency, demonstrates a transient response of roughly 10 μs, a minimum detectable amplitude mod-ulation (AM) depth of less than 1%, and exhibits a commendable linear response. The effective transmission of an extract from the work Silence Is Golden has been achieved. This receiver may broaden the carrier frequency range due to the en-ergy level transition of Rydberg atoms; its all-optical reading architecture provides it with resistance to electromagnetic interference and electromagnetic pulses. It possesses developmental potential in enhanced bandwidth data transmission, broader carrier frequency range, and specific application contexts.

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History
  • Received:October 27,2025
  • Revised:November 28,2025
  • Adopted:December 04,2025
  • Online:
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