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A theoretical scheme for the realization of the sphere-coherent motional states in an optomechanical cavity in the presence of a two-level atom is proposed. To this end, the analogy between an atom-assisted optomechanical cavity and a…

Quantum Physics · Physics 2015-06-22 F. Bemani , R. Roknizadeh , M. H. Naderi

Orbital degree of freedom plays an important role in understanding exotic phenomena of strongly correlated materials. We study strongly correlated ultracold bosonic gases coupled to a high-finesse cavity, pumped by a blue-detuned laser in…

Quantum Gases · Physics 2022-09-14 Hui Tan , Jinsen Han , Wei Zheng , Jianmin Yuan , Yongqiang Li

We investigate the formation and control of stationary optical patterns in a cold Rydberg atomic gas via double electromagnetically induced transparency. We show that, through the modulational instability of plane-wave state of a laser…

Quantum Gases · Physics 2021-07-21 Zeyun Shi , Guoxiang Huang

Coherent dark states in atoms, created by simultaneous interaction of two coherent light fields with a 3-level system, are of prime importance in quantum state manipulation. They are used extensively in quantum sensing and quantum…

Atomic Physics · Physics 2019-09-09 M. Shuker , J. W. Pollock , V. I. Yudin , J. Kitching , E. A. Donley

We discuss theoretically the optical binding of one-dimensional chains of cold atoms shone by a transverse pump, where particles self-organize to a distance close to an optical wavelength. As the number of particles is increased, the…

Atomic Physics · Physics 2020-07-22 Angel T. Gisbert , Nicola Piovella , Romain Bachelard

Cavity optomechanics explores the coupling between the optical field and the mechanical oscillation to induce cooling and regenerative oscillation in a mechanical oscillator. So far, optomechanics relies on the detuning between the cavity…

When placing an ultracold atomic gas inside a cavity, the light-matter coupling is enhanced and nonlinear atomic dynamics are generated, offering a promising platform for quantum simulation of models with short- and long-range interactions.…

Quantum Gases · Physics 2026-03-24 Adrían U. Ramírez-Barajas , Santiago F. Caballero-Benitez

A major goal in optomechanics is to observe and control quantum behavior in a system consisting of a mechanical resonator coupled to an optical cavity. Work towards this goal has focused on increasing the strength of the coupling between…

Quantum Physics · Physics 2015-05-18 Jack C. Sankey , Cheng Yang , Benjamin M. Zwickl , Andrew M. Jayich , Jack G. E. Harris

Cold atoms, driven by a laser and simultaneously coupled to the quantum field of an optical resonator, can self-organize in periodic structures. These structures are supported by the optical lattice, which emerges from the laser light they…

Quantum Gases · Physics 2015-05-18 Sonia Fernández-Vidal , Gabriele De Chiara , Jonas Larson , Giovanna Morigi

Optomechanics, the study of the mechanical interaction of light with matter, has proven to be a fruitful area of research that has yielded many notable achievements, including the direct detection of gravitational waves in kilometer-scale…

We study cavity optomechanics of a mixture of ultracold atoms with tunable nonlinear collisions. We show that atomic collisions provide linear couplings between fictitious condensate oscillators, leading to possibilities of achieving a…

Quantum Physics · Physics 2012-12-07 H. Jing , X. Zhao , L. F. Buchmann

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

We solve self-consistently the coupled equations of motion for trapped particles and the field of a one-dimensional optical lattice. Optomechanical coupling creates long-range interaction between the particles, whose nature depends…

Other Condensed Matter · Physics 2007-06-13 J. K. Asboth , H. Ritsch , P. Domokos

We theoretically study the laser cooling of cavity optomechanics when the mechanical resonance frequency and damping depend on time. In the regime of weak optomechanical coupling we extend the theory of laser cooling using an adiabatic…

Quantum Physics · Physics 2015-05-12 Marc Bienert , Pablo Barberis-Blostein

A thin atomic gas in an optical resonator exhibits a phase transition from a homogeneous density to crystalline order when laser illuminated orthogonal to the resonator axis. We study this well-known self-organization phenomenon for a…

Quantum Physics · Physics 2020-08-26 Valentin Torggler , Ivor Krešić , Ticijana Ban , Helmut Ritsch

Optomechanical devices have been cooled to ground-state and genuine quantum features, as well as long-predicted nonlinear phenomena, have been observed. When packing close enough more than one optomechanical unit in the same substrate the…

Quantum Physics · Physics 2017-11-08 Albert Cabot , Fernando Galve , Roberta Zambrini

We propose a new approach to investigate the spin-charge separation in 1D quantum liquids via the optomechanical coupled atom-cavity system. We show that, one can realize an effective two-modes optomechanical model with the spin/charge…

Quantum Gases · Physics 2011-12-06 Qing Sun , W. M. Liu , An-Chun Ji

In many experiments isolated atoms and ions have been inserted into high-finesse optical resonators for the study of fundamental quantum optics and quantum information. Here, we introduce another application of such a system, as the…

Recently, remarkable advances have been made in coupling a number of high-Q modes of nano-mechanical systems to high-finesse optical cavities, with the goal of reaching regimes where quantum behavior can be observed and leveraged toward new…

Quantum Physics · Physics 2010-01-01 D. E. Chang , C. A. Regal , S. B. Papp , D. J. Wilson , J. Ye , O. Painter , H. J. Kimble , P. Zoller

We consider a quantum optomechanical scheme wherein an ordered two-dimensional array of laser-trapped atoms is used as a movable membrane. The extremely light mass of the atoms yields very strong optomechanical coupling, while their spatial…

Quantum Physics · Physics 2020-06-04 Ephraim Shahmoon , Dominik S. Wild , Mikhail D. Lukin , Susanne F. Yelin