Tunable slow light in a quadratically coupled optomechanical system

Zhan, Xi; Si, Liu-Gang; Zheng, Anshou; Yang, Xinling

doi:10.1088/0953-4075/46/2/025501

Cited by 52 publications

(50 citation statements)

References 30 publications

(73 reference statements)

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“…Furthermore, in addition to EIT, the occurrence of slow light in the probe transmission is studied, and the group delay is analyzed for the atomic two-body interaction and fluctuations of the condensate. Unlike previous schemes [53][54][55][56][57][58], by utilizing the Bose-Hubbard model in the present setup, we show that the slow light effect can further be enhanced by increasing the atom-atom interaction.…”

Section: Discussioncontrasting

confidence: 55%

Control of Fano resonances and slow light using Bose-Einstein condensates in a nanocavity

et al. 2017

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In this study, a standing wave in an optical nanocavity with Bose-Einstein condensate (BEC) constitutes a one-dimensional optical lattice potential in the presence of a finite two bodies atomic interaction. We report that the interaction of a BEC with a standing field in an optical cavity coherently evolves to exhibit Fano resonances in the output field at the probe frequency. The behaviour of the reported resonance shows an excellent compatibility with the original formulation of asymmetric resonance as discovered by Fano [U. Fano, Phys. Rev. 124, 1866(1961]. Based on our analytical and numerical results, we find that the Fano resonances and subsequently electromagnetically induced transparency of the probe pulse can be controlled through the intensity of the cavity standing wave field and the strength of the atom-atom interaction in the BEC. In addition, enhancement of the slow light effect by the strength of the atom-atom interaction and its robustness against the condensate fluctuations are realizable using presently available technology.

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Section: Discussioncontrasting

confidence: 55%

Control of Fano resonances and slow light using Bose-Einstein condensates in a nanocavity

et al. 2017

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“…So we wonder if the OMIT, with analogy to the EIT, could also work for producing slow/fast light and even beyond. In fact, there have been publications [27][28][29][30][31][32][33] for slow and fast light effects associated with the COM using similar behavior to those with multi-level atoms. As shown below, however, we will go for a further step with the COM by presenting an experimentally feasible proposal for a force-induced trans- * changjianqi@gmail.com † mangfeng@wipm.ac.cn parency with slow/fast light and a conversion between the slow and fast lights.…”

Section: Introductionmentioning

confidence: 99%

Force-induced transparency and conversion between slow and fast light in optomechanics

Luo²,

Zhang

et al. 2017

Phys. Rev. A

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The optomechanics can generate fantastic effects of optics due to appropriate mechanical control.Here we theoretically study effects of slow and fast lights in a single-sided optomechanical cavity with an external force. The force-induced transparency of slow/fast light and the force-dependent conversion between the slow and fast lights are resulted from effects of the rotating-wave approximation (RWA) and the anti-RWA, which can be controlled by properly modifying the effective cavity frequency due to the external force. These force-induced phenomena can be applied to control of the light group velocity and detection of the force variation, which are feasible using current laboratory techniques.

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“…Recent experiments [38,39] have already established the significance and prominent role of such type of nonlinear interactions. In fact, quadratic nonlinear optomechanics [40][41][42][43][44][45][46][47][48][49][50][51][52][53][54][55] is now a well recognized subject of study even down to the single-photon level [56], for which circuit analogues have been constructed [57,58] and may be regarded as fairly convenient simulators [59][60][61] of much more complicated experimental optomechanical analogues. Dual formalisms of quadratic optomechanics are also found in ultracold atom traps [62,63] as well as optical levitation [64].…”

Section: Introductionmentioning

confidence: 99%

Higher-Order Interactions in Quantum Optomechanics: Analytical Solution of Nonlinearity

Khorasani

2017

Photonics

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A method is described to solve the nonlinear Langevin equations arising from quadratic interactions in quantum mechanics. While the zeroth order linearization approximation to the operators is normally used, here, first and second order truncation perturbation schemes are proposed. These schemes employ higher-order system operators, and then approximate number operators with their corresponding mean boson numbers only where needed. Spectral densities of higher-order operators are derived, and an expression for the second-order correlation function at zero time-delay has been found, which reveals that the cavity photon occupation of an ideal laser at threshold reaches √ 6 − 2, in good agreement with extensive numerical calculations. As further applications, analysis of the quantum anharmonic oscillator, calculation of Q-functions, analysis of quantum limited amplifiers, and nondemoliton measurements are provided.

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Tunable slow light in a quadratically coupled optomechanical system

Cited by 52 publications

References 30 publications

Control of Fano resonances and slow light using Bose-Einstein condensates in a nanocavity

Control of Fano resonances and slow light using Bose-Einstein condensates in a nanocavity

Force-induced transparency and conversion between slow and fast light in optomechanics

Higher-Order Interactions in Quantum Optomechanics: Analytical Solution of Nonlinearity

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