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Recognition of multifrequency microwave (MW) electric fields is challenging because of the complex interference of multifrequency fields in practical applications. Rydberg atom-based measurements for multifrequency MW electric fields is…

Quantum Physics · Physics 2022-04-18 Zong-Kai Liu , Li-Hua Zhang , Bang Liu , Zheng-Yuan Zhang , Guang-Can Guo , Dong-Sheng Ding , Bao-Sen Shi

Rydberg atoms are at the core of an increasing number of experiments, which frequently rely on destructive detection methods, such as field ionization. Here, we present an experimental realization of single-shot non-destructive detection of…

In this paper, we propose a joint delay-Doppler estimation framework for Rydberg atomic quantum receivers (RAQRs) leveraging affine frequency division multiplexing (AFDM), as a future enabler of hyper integrated sensing and communication…

Signal Processing · Electrical Eng. & Systems 2026-03-17 Hanvit Kim , Hyeon Seok Rou , Kihong Min , Giuseppe Thadeu Freitas de Abreu , Sunwoo Kim

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

Multiple-input multiple-output (MIMO) systems using Rydberg atomic (RA) receivers face significant scalability challenges in signal detection due to their nonlinear signal models. This letter proposes phase-rotated symbol spreading (PRSS),…

Information Theory · Computer Science 2026-01-27 Jiuyu Liu , Yi Ma , Rahim Tafazolli

Microwave electric field sensing is of importance for a wide range of applications in areas of remote sensing, radar astronomy and communications. Over the past decade, Rydberg atoms, owing to their exaggerated response to microwave…

Rydberg atomic sensors have been adopted for novel radio frequency (RF) measurement technique and the sensing capability for signals in multiple frequencies makes it attractive for multi-user communication. However, unlike traditional…

Signal Processing · Electrical Eng. & Systems 2025-06-27 Hao Wu , Chongwu Xie , Xinyuan Yao , Kang-Da Wu , Shanchi Wu , Rui Ni , Guo-Yong Xiang , Chen Gong

Leveraging the strong atom-light interaction, a Rydberg atomic receiver can measure radio waves with extreme sensitivity. Existing research primarily focuses on improving the signal detection capability of atomic receivers, while…

Information Theory · Computer Science 2024-10-28 Mingyao Cui , Qunsong Zeng , Kaibin Huang

Although Rydberg atom-based electric field sensing provides key advantages over traditional antenna-based detection, it remains limited by the need for a local oscillator (LO) for low-field and phase resolved detection. In this work, we…

Rydberg atoms in a gas form are highly sensitive electric field probes capable of detecting and measuring the amplitude, phase, and polarization of broadband time-varying signals. Here, we present the performance of a frequency modulated…

Radio frequencies in the HF and VHF (3 MHz to 300 MHz) bands are challenging for Rydberg atom-based detection schemes, as resonant detection requires exciting the atoms to extremely high energy states. We demonstrate a method for detecting…

Recently, we introduced a Rydberg-atom based mixer capable of detecting and measuring the phase of a radio-frequency field through the electromagnetically induced transparency (EIT) and Autler-Townes (AT) effect. The ability to measure…

Atomic Physics · Physics 2019-09-10 Christopher L. Holloway , Matthew T. Simons , Joshua A. Gordon , David Novotny

The intrinsic integration of Rydberg atomic receivers into wireless communication systems is proposed, by harnessing the principles of quantum physics in wireless communications. More particularly, we conceive a pair of Rydberg atomic…

Information Theory · Computer Science 2026-03-02 Yuanbin Chen , Xufeng Guo , Chau Yuen , Yufei Zhao , Yong Liang Guan , Chong Meng Samson See , Merouane Débbah , 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

Rydberg atomic quantum receivers have been seen as novel radio frequency measurements and the high sensitivity to a large range of frequencies makes it attractive for communications reception. However, their performance can be significantly…

Signal Processing · Electrical Eng. & Systems 2026-05-15 Hao Wu , Xinyuan Yao , Shanchi Wu , Rui Ni , Chen Gong , Kaibin Huang

Rydberg atomic sensors and receivers have enabled sensitive and traceable measurements of RF fields at a wide range of frequencies. Here we demonstrate the detection of electric field amplitude in the extremely high frequency (EHF) band, at…

Quantum reservoir computing (QRC) is a promising quantum machine learning framework for near-term quantum platforms, yet the performance of different QRC architectures under realistic constraints remains largely unexplored. Here, we provide…

Quantum Physics · Physics 2026-04-03 Dong-Sheng Liu , Qing-Xuan Jie , Chang-Ling Zou , Xi-Feng Ren , Guang-Can Guo

Multi-photon dressing and interference in atomic systems is a key to several cutting edge technologies like Rydberg atom radio frequency sensors, clocks and magnetometers because it enables the engineering of atomic properties. Rydberg atom…

The development of a microwave electrometer with inherent uncertainty approaching its ultimate limit carries both fundamental and technological significance. Recently, the Rydberg electrometer has garnered considerable attention due to its…

Quantum Physics · Physics 2023-11-14 Hai-Tao Tu , Kai-Yu Liao , Guo-Dong He , Yi-Fei Zhu , Si-Yuan Qiu , Hao Jiang , Wei Huang , Wu Bian , Hui Yan , Shi-Liang Zhu

Over the past decade, Rydberg atom electric field sensors have been under investigation as potential alternatives or complements to conventional antenna-based receivers for select applications in RF communications, remote sensing, and…