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Rydberg atomic receivers represent a transformative approach to achieving high-sensitivity, broadband, and miniaturized radio frequency (RF) reception. However, existing static signal models for Rydberg atomic receivers rely on the…

Signal Processing · Electrical Eng. & Systems 2025-11-11 Jieao Zhu , Linglong Dai

Rydberg atomic (RA) receivers represent a revolutionary quantum technology for wireless communications, offering unprecedented sensitivity beyond conventional radio frequency (RF) antennas. However, these receivers detect only signal…

Information Theory · Computer Science 2025-08-04 Jiuyu Liu , Yi Ma , Rahim Tafazolli

The four-level heterodyne Rydberg atom receiver has garnered significant attention in microwave detection and communication due to its high sensitivity and phase measurement capabilities. Existing theoretical studies, primarily based on…

Atomic Physics · Physics 2025-11-26 Yu Tang , Siyuan Wang , Shuang Ren , Chuang Yang , Hanbin Zhou , Chenxi Lu

We investigate the response bandwidth of a superheterodyne Rydberg receiver at a room-temperature vapor cell, and present an architecture of multi-channel lasers excitation to increase the response bandwidth and keep sensitivity,…

Atomic Physics · Physics 2023-11-30 Jinlian Hu , Yuechun Jiao , Yunhui He , Hao Zhang , Linjie Zhang , Jianming Zhao , Suotang Jia

Rydberg atom-based electrometry enables traceable electric field measurements with high sensitivity over a large frequency range, from gigahertz to terahertz. Such measurements are particularly useful for the calibration of radio frequency…

Quantum Physics · Physics 2017-04-26 Santosh Kumar , Haoquan Fan , Harald Kübler , Akbar J. Jahangiri , James P. Shaffer

We demonstrate an atomic radio-frequency (RF) receiver and spectrum analyzer based on thermal Rydberg atoms coupled to a planar microwave waveguide. We use an off-resonant RF heterodyne technique to achieve continuous operation for carrier…

Atomic Physics · Physics 2021-05-24 David H. Meyer , Paul D. Kunz , Kevin C. Cox

Radio frequency antennas based on highly excited Rydberg atom vapors can in principle reach sensitivities beyond those of any conventional wire antenna, especially at lower frequencies where very long wires are needed to accommodate the…

Atomic Physics · Physics 2025-03-17 Peter B. Weichman

Electric field sensors based on Rydberg atoms offer unique capabilities, relative to traditional sensors, for detecting radio-frequency signals. In this work, we demonstrate simultaneous demodulation and detection of five rf tones spanning…

Atomic Physics · Physics 2023-01-11 David H. Meyer , Joshua C. Hill , Paul D. Kunz , Kevin C. Cox

Harnessing multi-level electron transitions, Rydberg Atomic REceivers (RAREs) can detect wireless signals across a wide range of frequency bands, from Megahertz to Terahertz. This capability enables multi-band wireless communications and…

Information Theory · Computer Science 2026-01-21 Mingyao Cui , Qunsong Zeng , Minze Chen , Zhanwei Wang , Tianqi Mao , Dezhi Zheng , Kaibin Huang

The advancement of Rydberg atoms in quantum sensing is driving a paradigm shift from classical receivers to atomic receivers. Capitalizing on the extreme sensitivity of Rydberg atoms to external disturbance, atomic receivers can measure…

Information Theory · Computer Science 2024-09-13 Mingyao Cui , Qunsong Zeng , Kaibin Huang

We show that the use of an optical frequency comb probe leads to dramatically improved bandwidth (as high as 12+/-1 MHz) for the detection of modulated radio frequencies in Rydberg atom-based electrometry.

Rydberg quantum sensors are sensitive to radio-frequency fields across an ultra-wide frequency range spanning megahertz to terahertz electromagnetic waves resonant with Rydberg atom dipole transitions. Here we demonstrate an atomic…

Atomic Physics · Physics 2024-07-12 Remy Legaie , Georg Raithel , David A. Anderson

Rydberg atoms, with their giant electric dipole moments and tunable energy-level transitions, offer exceptional potential for microwave (MW) electric field sensing, combining high sensitivity and broad frequency coverage. However,…

Atomic Physics · Physics 2025-07-14 Yuhan Yan , Bowen Yang , Xuejie Li , Haojie Zhao , Binghong Yu , Jianliao Deng , L. Q. Chen , Huadong Cheng

Rydberg atoms, with one highly-excited, nearly-ionized electron, have extreme sensitivity to electric fields, including microwave fields ranging from 100 MHz to over 1 THz. Here we show that room-temperature Rydberg atoms can be used as…

Atomic Physics · Physics 2018-10-30 David H. Meyer , Kevin C. Cox , Fredrik K. Fatemi , Paul D. Kunz

Rydberg atomic receivers (RARs) leverage the quantum coherence of highly excited atoms to overcome the intrinsic physical limitations of conventional radio frequency receivers (RFRs), particularly in sensitivity, and bandwidth. This…

Signal Processing · Electrical Eng. & Systems 2025-08-01 Yin Zhang , Jiayi Zhang , Bokai Xu , Yuanbin Chen , Zhilong Liu , Jiakang Zheng , Enyu Shi , Ziheng Liu , Tierui Gong , Wei E. I. Sha , Chau Yuen , Shi Jin , Bo Ai

The Rydberg atomic quantum receivers (RAQR) are emerging quantum precision sensing platforms designed for receiving radio frequency (RF) signals. It relies on creation of Rydberg atoms from normal atoms by exciting one or more electrons to…

Signal Processing · Electrical Eng. & Systems 2025-10-15 Tierui Gong , Aveek Chandra , Chau Yuen , Yong Liang Guan , Rainer Dumke , Chong Meng Samson See , Mérouane Debbah , Lajos Hanzo

The development of novel radio frequency atomic receivers brings attention to the theoretical description of atom-light interactions in sophisticated, multilevel schemes. Of special interest, are the schemes where several interaction paths…

Atomic Physics · Physics 2025-05-28 Bartosz Kasza , Sebastian Borówka , Wojciech Wasilewski , Michał Parniak

Using a shared microwave resonator, we propose a transduction scheme between superconducting qubits and qubit states encoded in the low-lying internal levels of trapped atomic systems. The approach employs atomic Rydberg levels together…

Quantum Physics · Physics 2025-09-18 Fernando L. Semião , Matthias Keller

Rydberg microwave (MW) sensors are superior to conventional antenna-based techniques because of their wide operating frequency range and outstanding potential sensitivity. Here, we demonstrate a Rydberg microwave receiver with a high…

Quantum Physics · Physics 2024-03-08 Bowen Yang , Yuhan Yan , Xuejie Li , Ling Xiao , Xiaolin Li , L. Q. Chen , Jianliao Deng , Huadong Cheng

With the re-definition of the International System of Units (SI) that occurred in October of 2018, there has recently been a great deal of attention on the development of atom-based sensors for metrology applications. In particular, great…