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We experimentally demonstrate an optical bistability between two hyperfine atomic ground states, using a single mode of an optical resonator in the collective strong coupling regime. Whereas in the familiar case, the bistable region is…

Quantum Physics · Physics 2023-10-09 B. Gábor , D. Nagy , A. Dombi , T. W. Clark , F. I. B. Williams , K. V. Adwaith , A. Vukics , P. Domokos

We determine the transmission of light through a planar atomic array beyond the limit of low light intensity that displays optical bistability in the mean-field regime. We develop a theory describing the intrinsic optical bistability, which…

Atomic Physics · Physics 2021-03-18 C. D. Parmee , J. Ruostekoski

It is well-known that some nonlinear phenomena such as strong photon blockade are hard to be observed in optomechanical system with current experimental technology. Here, we present a coherent feedback control strategy in which a linear…

Quantum Physics · Physics 2014-07-14 Yu-Long Liu , Zhong-Peng Liu , Jing Zhang , Yu-xi Liu

This article theoretically proposes a multi-layer Fabry-Perot cavity structure based on nonlinear MoS2, whose cavity is composed of asymmetric photonic crystals. In this structure, we observed a low threshold optical bistability phenomenon…

Optics · Physics 2024-06-04 Songqing Tang , Mengjiao Ren , Zhiheng Li , Zhiwei Zheng , Leyong Jiang

We study photon blockade and anti-bunching in the cavity of an optomechanical system in which the mechanical resonator is coupled to a two-level system (TLS). In particular, we analyze the effects of the coupling strength (to the mechanical…

Quantum Physics · Physics 2015-09-09 Hui Wang , Xiu Gu , Yu-xi Liu , Adam Miranowicz , Franco Nori

We report on the observation of a novel manifestation of saturation-induced optical bistability in a resonantly pumped optical ring cavity interacting strongly with a cloud of atoms via a narrow atomic transition. The bistability emerges,…

Cavity optomechanics offers quantum cooling, quantum control and measurement of small mechanical oscillators. However the optical backactions that underpin quantum control can significantly disturb the oscillator modes: mechanical…

Quantum Physics · Physics 2022-06-03 A. Pontin , H. Fu , J. H. Iacoponi , P. F. Barker , T. S. Monteiro

We theoretically analyze the optical and optomechanical nonlinearity present in a hybrid system consisting of a quantum dot(QD) coupled to an optomechanical cavity in the presence of a nonlinear Kerr medium, and show that this hybrid system…

Quantum Physics · Physics 2018-07-04 Aranya B Bhattacherjee , Muhammad S. Hasan

We propose a scheme to squeeze mechanical motion and to entangle optical field with mechanical motion in an optomechanical system containing a parametric amplification. The scheme is based on optical bistability which emerges in the system…

Quantum Physics · Physics 2024-09-12 Souvik Agasti , P. Djorwé

We investigate a hybrid optomechanical system in which a membrane oscillator is coupled to a collective spin of ground states of an intracavity $\Lambda$-type three-level atomic medium. The cavity field response is greatly modified by…

Optics · Physics 2015-06-22 Haibin Wu , Min Xiao

We study in detail the dynamics of a non-stationary system composed of a Quantum Well confined in an optomechanical cavity. This system is investigated with classical and quantized motion of the cavity movable mirror. In both the cases, the…

Quantum Physics · Physics 2013-10-25 Sonam Mahajan , Neha Aggarwal , Tarun Kumar , Aranya B Bhattacherjee , ManMohan

The rapidly developing field of optomechanics aims at the combined control of optical and mechanical (solid-state or atomic) modes. In particular, laser cooled atoms have been used to exploit optomechanical coupling for self-organization in…

We investigate the dynamics of a mechanical resonator in which is embedded an ensemble of two-level systems interacting with an optical cavity field. We show that this hybrid approach to optomechanics allows for enhanced effective…

Quantum Physics · Physics 2015-06-22 Aurelien Dantan , Bhagya Nair , Guido Pupillo , Claudiu Genes

In this work we investigate an optomechanical system consisting of two cavities coupled to the same mechanical resonator. We consider each cavity being weakly pumped as well as a small tunneling rate between the cavities. In such…

Quantum Physics · Physics 2015-06-18 T. Figueiredo Roque , A. Vidiella-Barranco

In quantum simulations and experiments on optomechanical cavities, coherence control is a challenging issue. We propose a scheme of two coupled optomechanical cavities to enhance the intracavity entanglement. Photon hopping is employed to…

Quantum Physics · Physics 2022-09-07 Smail Bougouffa , Mohannad Al-Hmoud , Jabir Wali Hakami

We consider theoretically the optomechanical interaction of several mechanical modes with a single quantized cavity field mode for linear and quadratic coupling. We focus specifically on situations where the optical dissipation is the…

Quantum Physics · Physics 2014-10-24 H. Seok , L. F. Buchmann , S. Singh , P. Meystre

We obtain optical instabilities in all-optical bistable systems arising from competing cooperative pathways at low input light levels. In particular for three-level atomic systems in the lambda and V configuration interacting with two…

Optics · Physics 2013-08-14 H. Aswath Babu , Harshawardhan Wanare

We study theoretically a three-mode optomechanical system where two mechanical oscillators are independently coupled to a single cavity mode. By optimized two-tone or four-tone driving of the cavity one can prepare the mechanical…

Quantum Physics · Physics 2015-06-19 M. J. Woolley , A. A. Clerk

A coupled atom-molecule condensate with an intraspecies Feshbach resonance is employed to explore matter wave bistability both in the presence and in the absence of a unidirectional optical ring cavity. In particular, a set of conditions…

Quantum Gases · Physics 2015-05-18 Hong Y. Ling

Cavity optomechanics offers powerful methods for controlling optical fields and mechanical motion. A number of proposals have predicted that this control can be extended considerably in devices where multiple cavity modes couple to each…

Quantum Physics · Physics 2015-06-18 D. Lee , M. Underwood , D. Mason , A. B. Shkarin , S. W. Hoch , J. G. E. Harris
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