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We discuss a hybrid quantum system where a dielectric membrane situated inside an optical cavity is coupled to a distant atomic ensemble trapped in an optical lattice. The coupling is mediated by the exchange of sideband photons of the…

Quantum Physics · Physics 2013-02-18 B. Vogell , K. Stannigel , P. Zoller , K. Hammerer , M. T. Rakher , M. Korppi , A. Jöckel , P. Treutlein

We calculate the loading efficiency and cooling rates in a bichromatic optical microtrap, where the optical potentials are generated by evanescent waves of cavity fields at a dielectric-vacuum interface. The cavity modified nonconservative…

Quantum Physics · Physics 2009-11-07 Peter Domokos , Helmut Ritsch

We studied resonant laser interaction with Rb atoms confined to the interstitial cavities of a random porous glass. Due to diffusive light propagation, the effect of atomic absorption on the light scattered by the sample is almost entirely…

Atomic Physics · Physics 2015-06-11 S. Villalba , H. Failache , A. Laliotis , L. Lenci , S. Barreiro , A. Lezama

We explore the viability of using optical refrigeration as a low-vibration cooling method for a phase-sensitive optomechanical amplifier proposed to improve the sensitivity of future gravitational wave detectors. We find that with moderate…

Optics · Physics 2022-12-06 Samuel Schulz , Yehonathan Drori , Christopher Wipf , Rana X Adhikari

We propose how to achieve significantly enhanced quantum refrigeration and entanglement by coupling a pumped auxiliary cavity to an optomechanical cavity. We obtain both analytical and numerical results, and find optimal-refrigeration and…

Quantum Physics · Physics 2021-11-03 Deng-Gao Lai , Wei Qin , Bang-Pin Hou , Adam Miranowicz , Franco Nori

We present a simple, continuous, cavity-enhanced optical absorption measurement technique based on high-bandwidth Pound-Drever-Hall (PDH) sideband locking. The technique provides a resonant amplitude quadrature readout that can be mapped…

We show the planned upgrade of a cavity QED experimental apparatus. The system consists of an optical cavity and an ensemble of ultracold $^{85}$Rb atoms coupled to its mode. We propose enhancements to both. First, we document the building…

Quantum Physics · Physics 2015-03-19 A. D. Cimmarusti , J. A. Crawford , D. G. Norris , L. A. Orozco

Optomechanical systems explore and exploit the coupling between light and the mechanical motion of matter. A nonlinear coupling offers access to rich new physics, in both the quantum and classical regimes. We investigate a dynamic, as…

Quantum Physics · Physics 2016-10-26 P. Z. G. Fonseca , E. B. Aranas , J. Millen , T. S. Monteiro , P. F. Barker

Cavity quantum electrodynamics systems using atoms in resonant optical cavities are central elements of many applications such as quantum networks and quantum-enhanced sensing. We present a novel experimental setup that achieves strong…

Atomic Physics · Physics 2025-03-25 T. Olney , V. Naniyil , V. Boyer , J. Goldwin , A. B. Deb

The resonant absorption of light by an ensemble of absorbers decreases when the resonance is inhomogeneously broadened, as only a fraction of the ensemble contributes to the absorption at any given optical frequency. Recovering the lost…

Quantum Physics · Physics 2019-11-22 Ohr Lahad , Ran Finkelstein , Omri Davidson , Ohad Michel , Eilon Poem , Ofer Firstenberg

The combination of ultra-cold atomic clouds with the light fields of optical cavities provides a powerful model system for the development of new types of laser cooling and for studying cooperative phenomena. These experiments critically…

Atomic Physics · Physics 2008-01-29 Simone Bux , Gordon Krenz , Sebastian Slama , Claus Zimmermann , Philippe W. Courteille

The quantum dynamics of the coupling between a cavity optical field and a resonator microwave field via the electro-optic effect is studied. This coupling has the same form as the opto-mechanical coupling via radiation pressure, so all…

Quantum Physics · Physics 2010-07-02 Mankei Tsang

We theoretically investigate the analog of electromagnetically induced transparency, absorption and parametric amplification in a hybrid opto-electromechanical system consisting of an optical cavity and a microwave cavity coupled to a…

Quantum Physics · Physics 2015-05-06 Cheng Jiang , Yuanshun Cui , Hongxiang Liu , Guibin Chen

We demonstrate the analogue of electromagnetically induced transparency in a room temperature cavity optomechanics setup formed by a thin semitransparent membrane within a Fabry-P\'erot cavity. Due to destructive interference, a weak probe…

Quantum Physics · Physics 2013-07-11 M. Karuza , C. Biancofiore , M. Bawaj , C. Molinelli , M. Galassi , R. Natali , P. Tombesi , G. Di Giuseppe , D. Vitali

Optical refrigeration using anti-Stokes photoluminescence is now well established, especially for rare-earth-doped solids where cooling to cryogenic temperatures has recently been achieved. The cooling efficiency of optical refrigeration is…

Optics · Physics 2024-08-23 Sushrut Ghonge , Masaru Kuno , Boldizsár Jankó

We theoretically show how slow light in an optofluidic environment facilitates enhanced light-matter interactions, by orders of magnitude. The proposed concept provides strong opportunities for improving existing miniaturized chemical…

Optics · Physics 2007-05-23 Niels Asger Mortensen , Sanshui Xiao

We present the design and implementation of a trapped ion cavity QED system. A single ytterbium ion is confined by a micron-scale ion trap inside a 2 mm optical cavity. The ion is coherently pumped by near resonant laser light while the…

Quantum Physics · Physics 2015-06-03 J. D. Sterk , L. Luo , T. A. Manning , P. Maunz , C. Monroe

Laser-cooled and trapped cesium atoms have been used as a nonlinear medium in a nearly resonant cavity. A study of the semiclassical dynamics of the system was performed, showing bistability and instabilities. In the quantum domain,…

Quantum Physics · Physics 2015-06-26 A. Lambrecht , J. M. Courty , S. Reynaud , E. Giacobino

A technique is demonstrated which efficiently transfers light between a tapered standard single-mode optical fiber and a high-Q, ultra-small mode volume, silicon photonic crystal resonant cavity. Cavity mode quality factors of 47000 are…

Optics · Physics 2007-05-23 Paul E. Barclay , Kartik Srinivasan , Oskar Painter

We measured the single-photon detection efficiency of NbN superconducting single photon detectors as a function of the polarization state of the incident light for different wavelengths in the range from 488 nm to 1550 nm. The polarization…