English
Related papers

Related papers: Cavity quantum electrodynamics of continuously mon…

200 papers

Recent experiments have demonstrated an open system realization of the Dicke quantum phase transition in the motional degrees of freedom of an optically driven Bose-Einstein condensate in a cavity. Relevant collective excitations of this…

Quantum Physics · Physics 2016-08-14 B. Öztop , M. Bordyuh , Ö. E. Müstecaplıoğlu , H. E. Türeci

We study an optomechanical system in which the collective density excitations (Bogoliubov modes) of a Bose Einstein condensate (BEC) is coupled to a cavity field. We show that the optical force changes the frequency and the damping constant…

Quantum Gases · Physics 2015-05-18 Aranya B Bhattacherjee

Cavity quantum electrodynamics (cavity QED) describes the coherent interaction between matter and an electromagnetic field confined within a resonator structure, and is providing a useful platform for developing concepts in quantum…

Recent experiments on Bose--Einstein condensates in optical cavities have reported a quantum phase transition to a coherent state of the matter-light system -- superradiance. The time dependent nature of these experiments demands…

Quantum Gases · Physics 2010-08-17 J. Keeling , M. J. Bhaseen , B. D. Simons

Atoms coupled to cavities provide an exciting playground for the study of fundamental interactions of atoms mediated through a common channel. Many of the applications of cavity-QED and cold-atom experiments more broadly, suffer from…

In this paper, we investigate theoretically the back-action evading measurement of the collective mode of an interacting atomic Bose-Einstein condensate (BEC) trapped in an optical cavity which is driven coherently by a pump laser with a…

Quantum Physics · Physics 2020-04-22 M. Fani , A. Dalafi

A Bose-Einstein condensate is dispersively coupled to a single mode of an ultra-high finesse optical cavity. The system is governed by strong interactions between the atomic motion and the light field even at the level of single quanta.…

We study the mutual interaction of a Bose-Einstein condensed gas with a single mode of a high-finesse optical cavity. We show how the cavity transmission reflects condensate properties and calculate the self-consistent intra-cavity light…

Condensed Matter · Physics 2009-10-31 Peter Horak , Stephen M. Barnett , Helmut Ritsch

We investigate a non-destructive measurement technique to monitor Josephson-like oscillations between two spatially separated neutral atom Bose-Einstein condensates. One condensate is placed in an optical cavity, which is strongly driven by…

Condensed Matter · Physics 2009-10-30 J. F. Corney , G. J. Milburn

We formulate computationally efficient classical stochastic measurement trajectories for a multimode quantum system under continuous observation. Specifically, we consider the nonlinear dynamics of an atomic Bose-Einstein condensate…

Quantum Physics · Physics 2014-08-29 Mark D. Lee , Janne Ruostekoski

We study the collective optical response of an atomic ensemble confined within a single-mode optical cavity by stochastic electrodynamics simulations that include the effects of atomic position correlations, internal level structure, and…

Quantum Physics · Physics 2017-08-28 Mark D. Lee , Stewart D. Jenkins , Yael Bronstein , Janne Ruostekoski

We present a detailed study to analyse the Dicke quantum phase transition within the thermodynamic limit for an optomechanically driven Bose-Einstein condensates in a cavity. The photodetection-based quantum optical measurements have been…

Quantum Gases · Physics 2013-11-18 Neha Aggarwal , Sonam Mahajan , Aranya B Bhatttacherjee , Man Mohan

An optical cavity enhances the interaction between atoms and light, and the rate of coherent atom-photon coupling can be made larger than all decoherence rates of the system. For single atoms, this strong coupling regime of cavity quantum…

Quantum Physics · Physics 2007-11-10 Yves Colombe , Tilo Steinmetz , Guilhem Dubois , Felix Linke , David Hunger , Jakob Reichel

Cavity quantum electrodynamics describes the fundamental interactions between light and matter, and how they can be controlled by shaping the local environment. For example, optical microcavities allow high-efficiency detection and…

Quantum Physics · Physics 2011-09-15 J. Goldwin , M. Trupke , J. Kenner , A. Ratnapala , E. A. Hinds

The spatial self-organization of a Bose-Einstein condensate (BEC) in a high-finesse linear optical cavity is discussed. The condensate atoms are laser-driven from the side and scatter photons into the cavity. Above a critical pump intensity…

Quantum Physics · Physics 2008-05-29 D. Nagy , G. Szirmai , P. Domokos

We consider an atomic Bose-Einstein condensate held within an optical cavity and interacting with laser fields. We show how the interaction of the cavity mode with the condensate can cause energy due to excitations to be coupled to a lossy…

Condensed Matter · Physics 2009-10-31 S. A. Gardiner , K. M. Gheri , P. Zoller

The dispersive interaction of a Bose-Einstein condensate with a single mode of a high-finesse optical cavity realizes the radiation pressure coupling Hamiltonian. In this system the role of the mechanical oscillator is played by a single…

Quantum Physics · Physics 2013-07-26 D. Nagy , G. Szirmai , P. Domokos

It is well known that in the presence of a ring cavity the light scattering from a uniform atomic ensemble can become unstable resulting in the collective atomic recoil lasing. This is the result of a positive feedback due to the cavity. We…

Quantum Physics · Physics 2016-01-12 Denis A. Ivanov , Tatiana Yu. Ivanova , Igor B. Mekhov

We propose a measurement scheme that allows determination of even-moments of a Bose-Einstein condensate (BEC) atom number, in a ring cavity, by continuous photodetection of an off-resonant quantized optical field. A fast cavity…

Soft Condensed Matter · Physics 2009-11-10 G. A. Prataviera , M. C. de Oliveira

We develop a fully quantized model of a Bose-Einstein condensate driven by a far off-resonant pump laser which interacts with a single mode of an optical ring cavity. In the linear regime, the cavity mode exhibits spontaneous exponential…

Quantum Physics · Physics 2009-10-31 M. G. Moore , P. Meystre
‹ Prev 1 2 3 10 Next ›