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Related papers: Cavity-Assisted Dynamical Spin-Orbit Coupling in C…

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We show that an atom can be coupled to a mechanical oscillator via quantum vacuum fluctuations of a cavity field enabling energy transfer processes between them. In a hybrid quantum system consisting of a cavity resonator with a movable…

Quantum Physics · Physics 2023-02-06 Bo Wang , Jia-Ming Hu , Vincenzo Macrì , Ze-Liang Xiang , Franco Nori

We demonstrate photon-mediated interactions between two individually trapped atoms coupled to a nanophotonic cavity. Specifically, we observe superradiant line broadening when the atoms are resonant with the cavity, and level repulsion when…

We realize a mechanical analogue of the Dicke model, achieved by coupling the spin of individual neutral atoms to their quantized motion in an optical trapping potential. The atomic spin states play the role of the electronic states of the…

Quantum Physics · Physics 2019-01-09 A. Dareau , Y. Meng , P. Schneeweiss , A. Rauschenbeutel

We present two schemes for driving Raman transitions between the ground state hyperfine manifolds of a single atom trapped within a high-finesse optical cavity. In both schemes, the Raman coupling is generated by standing-wave fields inside…

Quantum Physics · Physics 2008-07-08 A. D. Boozer

We propose to control spin-mixing dynamics in a gas of spinor atoms, via the combination of two off-resonant Raman transition pathways, enabled by a common cavity mode and a bichromatic pump laser. The mixing rate, which is proportional to…

Quantum Gases · Physics 2022-09-21 Ming Xue , Xiangliang Li , Wenhao Ye , Jun-Jie Chen , Zhi-Fang Xu , Li You

We investigate the ground-state properties and quantum phase transitions of an ensemble consisting of $N$ four-level atoms within an optical cavity coupled to the single cavity mode and external laser fields. The system is described by an…

Quantum Physics · Physics 2024-08-20 Jinling Lian , Ran Huang , Chao Gao , Lixian Yu , Qi-Feng Liang , Wu-Ming Liu

Spin-orbit coupling (SOC) is an essential ingredient in topological materials, conventional and quantum-gas based alike.~Engineered spin-orbit coupling in ultracold atom systems --unique in their experimental control and measurement…

Ultracold atoms coupled to optical cavities offer a powerful platform for studying strongly correlated many-body physics. Here, we propose an experimental scheme for creating biatomic molecules via cavity-enhanced photoassociation from an…

Quantum Gases · Physics 2026-04-17 Yun Chen , Yuqi Wang , Jingjun You , Yingqi Liu , Su Yi , Yuangang Deng

We study the entanglement properties of two three-level Rydberg atoms passing through a single-mode cavity. The interaction of an atom with the cavity field allows the atom to make a transition from the upper most (lower most) to the lower…

Quantum Physics · Physics 2007-08-07 Biplab Ghosh , A. S. Majumdar , N. Nayak

We introduce multiplexed atom-cavity quantum electrodynamics with an atomic ensemble coupled to a single optical cavity mode. Multiple Raman dressing beams establish cavity-coupled spin-wave excitations with distinctive spatial profiles.…

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

Ultracold atoms in an ultrahigh-finesse optical cavity are a powerful platform to produce spin squeezing since photon of cavity mode can induce nonlinear spin-spin interaction and thus generate a one-axis twisting Hamiltonian…

Quantum Physics · Physics 2015-02-03 Caifeng Li , Jingtao Fan , Lixuan Yu , Gang Chen , Tian-Cai Zhang , Suotang Jia

Rydberg atoms in optical lattices and tweezers is now a well established platform for simulating quantum spin systems. However, the role of the atoms' spatial wavefunction has not been examined in detail experimentally. Here, we show a…

We propose a scheme to realize the two-axis counter-twisting spin-squeezing Hamiltonian inside an optical cavity with the aid of phase-locked atom-photon coupling. By careful analysis and extensive simulation, we demonstrate that our scheme…

Quantum Physics · Physics 2017-03-17 Yong-Chang Zhang , Xiang-Fa Zhou , Xingxiang Zhou , Guang-Can Guo , Zheng-Wei Zhou

Laser cooled and quantum degenerate atoms are widely being pursued as quantum simulators that may explain the behavior of strongly correlated material systems, and as the basis of today's most precise sensors. A key challenge towards these…

We investigate the dynamics of a two-level atom flying through a photonic cavity when the light-matter interaction is in the ultrastrong coupling regime. We adopt a closed full quantum description that takes into account the quantization of…

Quantum Physics · Physics 2022-09-22 Alberto Mercurio , Simone De Liberato , Franco Nori , Salvatore Savasta , Roberto Stassi

Cold atoms in cavity provides a new platform for exploring exotic many-body phases. Here we explore the dynamics of a two-component condensate coupled to a finesse cavity, in which the Raman coupling is mediated by pumping laser and cavity…

Quantum Gases · Physics 2018-07-17 Yue-xin Huang , Zhen Zheng , Wei Feng Zhuang , Guang-Can Guo , Ming Gong

The evolution of two-component cold atoms on a ring with quasispin-orbit (qSO) coupling and spin-flip has been studied analytically (for arbitrary particle number $ N $ without interaction) and numerically (for a few-body system with…

Mesoscale and Nanoscale Physics · Physics 2014-06-04 Wen-Fang Xie , C. G. Bao

Solid state quantum emitters have shown strong potential for applications in quantum information, but spectral inhomogeneity of these emitters poses a significant challenge. We address this issue in a cavity-quantum dot system by…

The dynamics of the interaction between an atom of three levels interacting with a quantized field of two modes in a cavity is studied within the rotating wave approximation, by taking into account experimental values of the accessible…

Quantum Physics · Physics 2025-02-25 A. del Rio-Lima , F. J. Poveda-Cuevas , O. Castaños

We proposed and demonstrated a new approach for realizing spin orbit coupling with ultracold atoms. We use orbital levels in a double well potential as pseudospin states. Two-photon Raman transitions between left and right wells induce…