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Related papers: Microcavity-mediated Coupling of Two Distant Semic…

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We present an experimentally implementable method to couple Josephson charge qubits and to generate and detect macroscopic entangled states. A large-junction superconducting quantum interference device is used in the qubit circuit for both…

Superconductivity · Physics 2009-11-10 J. Q. You , J. S. Tsai , Franco Nori

Access to collective excitations lies at the heart of our understanding of quantum many-body systems. We study the Higgs and Goldstone modes in a supersolid quantum gas that is created by coupling a Bose-Einstein condensate symmetrically to…

Quantum Gases · Physics 2017-12-22 Julian Léonard , Andrea Morales , Philip Zupancic , Tobias Donner , Tilman Esslinger

Optical half-wave microresonators enable to control the optical mode density around a quantum system and thus to modify the temporal emission properties. If the coupling rate exceeds the damping rate, strong coupling between a…

Semiconductor microcavities offer unique means of controlling light-matter interactions, which have led to the development of a wide range of applications in optical communications and inspired proposals for quantum information processing…

Materials Science · Physics 2007-05-23 S. Ghosh , W. H. Wang , F. M. Mendoza , R. C. Myers , X. Li , N. Samarth , A. C. Gossard , D. D. Awschalom

We show that it is possible to employ reservoir engineering to turn two distant and relatively bad cavities into one good cavity with a tunable spontaneous decay rate. As a result, quantum computing schemes, that would otherwise require the…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Jonathan Busch , Elica S. Kyoseva , Michael Trupke , Almut Beige

Optical cavity QED provides a platform with which to explore quantum many-body physics in driven-dissipative systems. Single-mode cavities provide strong, infinite-range photon-mediated interactions among intracavity atoms. However, these…

We demonstrate scattering of laser light from two InAs quantum dots coupled to a photonic crystal waveguide, which is achieved by strain-tuning the optical transitions of the dots into mutual resonance. By performing measurements of the…

Nanoscale quantum dots in microwave cavities can be used as a laboratory for exploring electron-electron interactions and their spin in the presence of quantized light and a magnetic field. We show how a simple theoretical model of this…

Mesoscale and Nanoscale Physics · Physics 2023-11-16 S. S. Beltrán-Romero , F. J. Rodríguez , L. Quiroga , N. F. Johnson

We report on a combined experimental and theoretical investigation into the normal modes of an all-fiber coupled cavity-quantum-electrodynamics system. The interaction between atomic ensembles and photons in the same cavities, and that…

Quantum Physics · Physics 2019-07-02 Donald H. White , Shinya Kato , Nikolett Nemet , Scott Parkins , Takao Aoki

With the introduction of superconducting circuits into the field of quantum optics, many novel experimental demonstrations of the quantum physics of an artificial atom coupled to a single-mode light field have been realized. Engineering…

Quantum Physics · Physics 2017-10-27 Sal J. Bosman , Mario F. Gely , Vibhor Singh , Alessandro Bruno , Daniel Bothner , Gary A. Steele

Developing quantum networks necessitates coherently connecting distant systems via remote strong coupling. Here, we demonstrate long-distance coherence in cavity magnonics operating in the linear regime. By locally setting the cavity near…

Quantum Physics · Physics 2024-06-14 Ying Yang , Jiguang Yao , Yang Xiao , Pak-Tik Fong , Hoi-Kwan Lau , C. -M. Hu

We derive a coupled mode theory for the interaction of an optical cavity with a waveguide that includes waveguide dispersion. The theory can be applied to photonic crystal cavity waveguide structures. We derive an analytical solution to the…

Optics · Physics 2009-11-11 Edo Waks , Jelena Vuckovic

The properties of coupled emitters can differ dramatically from those of their individual constituents. Canonical examples include sub- and super-radiance, wherein the decay rate of a collective excitation is reduced or enhanced due to…

We propose cooperative two-photon lasing in two quantum dots coupled to a single mode photonic crystal cavity. We consider both quantum dots are driven either incoherently or coherently using external pump. We incorporate exciton-phonon…

Quantum Physics · Physics 2024-01-18 Lavakumar Addepalli , P. K. Pathak

In the circuit quantum electrodynamics architecture, both the resonance frequency and the coupling of superconducting qubits to microwave field modes can be controlled via external electric and magnetic fields to explore qubit -- photon…

Quantum Physics · Physics 2015-05-06 S. Zeytinoglu , M. Pechal , S. Berger , A. A. Abdumalikov , A. Wallraff , S. Filipp

We analyze the impact of both an incoherent and a coherent continuous excitation on our proposal to generate a two-photon state from a quantum dot in a microcavity [New J. Phys. 13, 113014 (2011)]. A comparison between exact numerical…

Mesoscale and Nanoscale Physics · Physics 2012-11-01 Elena del Valle , Alejandro Gonzalez-Tudela , Fabrice P. Laussy

We report the coherent coupling of two electron spins at a distance via virtual microwave photons. Each spin is trapped in a silicon double quantum dot at either end of a superconducting resonator, achieving spin-photon couplings up to…

Mesoscale and Nanoscale Physics · Physics 2022-05-13 Patrick Harvey-Collard , Jurgen Dijkema , Guoji Zheng , Amir Sammak , Giordano Scappucci , Lieven M. K. Vandersypen

Superradiance and subradiance concerning enhanced and inhibited collective radiation of an ensemble of atoms have been a central topic in quantum optics. However, precise generation and control of these states remain challenging. Here we…

Solid-state quantum emitters are promising candidates for the realization of quantum networks, owing to their long-lived spin memories, high-fidelity local operations, and optical connectivity for long-range entanglement. However, due to…

Cavity optomechanics represents a flexible platform for the implementation of quantum technologies, useful in particular for the realization of quantum interfaces, quantum sensors and quantum information processing. However, the dispersive,…

Quantum Physics · Physics 2021-08-02 Ahmad Shafiei Aporvari , David Vitali
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