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Rydberg atom arrays are a front-running platform for quantum processors. A major challenge threatening the scalability of this platform is the limited qubit connectivity due to the finite range of interatomic interactions. We explore an…

Quantum Physics · Physics 2025-11-07 Ivan V. Dudinets , Stanislav S. Straupe , Aleksey K. Fedorov , Oleg V. Lychkovskiy

Rydberg states of alkali atoms, where the outer valence electron is excited to high principal quantum numbers, have large electric dipole moments allowing them to be used as sensitive, wideband, electric field sensors. These sensors use…

Atoms in highly excited (Rydberg) states have a number of unique properties which make them attractive for applications in quantum information. These are large dipole moments, lifetimes and polarizabilities, as well as strong long-range…

Quantum Physics · Physics 2016-05-25 I. I. Ryabtsev , I. I. Beterov , D. B. Tretyakov , V. M. Entin , E. A. Yakshina

Quantum sensing and metrology present one of the most promising near-term applications in the field of quantum technologies, with quantum sensors enabling unprecedented precision in measurements of electric, magnetic or gravitational fields…

Quantum calculations are developed on the dynamical system consisting of the cosmic axions, photons and Rydberg atoms which are interacting in the resonant microwave cavity. The time evolution is determined for the number of Rydberg atoms…

High Energy Physics - Phenomenology · Physics 2007-05-23 Akira Kitagawa , Katsuji Yamamoto , Seishi Matsuki

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

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

In this paper, we proposed a hybrid simultaneous wireless information and power transfer (SWIPT)-enabled multiple-input multiple-output (MIMO) architecture, where the base station (BS) uses a conventional RF transmitter for downlink…

Signal Processing · Electrical Eng. & Systems 2025-10-20 Qihao Peng , Qu Luo , Zheng Chu , Neng Ye , Hong Ren , Cunhua Pan , Lixia Xiao , Pei Xiao

Rydberg atoms have attracted significant interest recently as electric field sensors. In order to assess potential applications, detailed understanding of relevant figures of merit is necessary, particularly in relation to other, more…

Atomic Physics · Physics 2020-01-13 David H. Meyer , Zachary A. Castillo , Kevin C. Cox , Paul D. Kunz

We demonstrate resonant detection of rf electric fields from 240 MHz to 900 MHz (very-high-frequency (VHF) to ultra-high-frequency (UHF)) using electromagnetically induced transparency to measure orbital angular momentum $L=3\rightarrow…

Neutral atoms excited to Rydberg states can interact with each other via dipole-dipole interaction, which results in a physical phenomenon named Rydberg blockade mechanism. The effect attracts much attention due to its potential…

Quantum Physics · Physics 2015-06-12 Huaizhi Wu , Zhen-Biao Yang , Li-Tuo Shen , Shi-Biao Zheng

Rydberg electric field sensors exploit the large number of Rydberg resonances to provide sensitivity over a broad range of the electromagnetic spectrum. However, due to the difficulty of accessing resonant Rydberg states at ultra-high…

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…

Rydberg atomic electrometry leverages the extreme sensitivity of highly excited atoms for calibration-free electric field measurements. The technique uses a non-metallic vapor cell to link properties of an RF field to a spectroscopic…

In this work we demonstrate an approach for the measurement of radio-frequency (RF) power using electromagnetically induced transparency (EIT) in a Rydberg atomic vapor. This is accomplished by placing alkali atomic vapor in a rectangular…

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

We combine a rubidium vapor cell with a corner-cube prism reflector to form a passive RF transducer, allowing the detection of microwave signals at a location distant from the active components required for atomic sensing. This compact…

Quantum Physics · Physics 2023-10-05 J. S. Otto , M. Chilcott , A. B. Deb , N. Kjærgaard

Devices capable of deterministically manipulating the photonic entanglement are of paramount importance, since photons are the ideal messengers for quantum information. Here, we report a Rydberg-atom-based entanglement filter that preserves…

Atomic Physics · Physics 2023-06-21 Gen-Sheng Ye , Biao Xu , Yue Chang , Shuai Shi , Tao Shi , Lin Li

Quantum phase transitions in Rydberg atom arrays present significant opportunities for studying many-body physics, yet distinguishing between different ordered phases without explicit order parameters remains challenging. We present a…

Quantum Physics · Physics 2025-10-28 Hemish Ahuja , Samradh Bhardwaj , Kirti Dhir , Roman Bagdasarian , Ziwoong Jang

Deep subwavelength RF imaging with atomic Rydberg sensors has overcome fundamental limitations of traditional antennas and enabled ultra-wideband detection of omni-directional time varying fields all in a compact form factor. However, in…

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