Controllable nonlinear effects in an optomechanical resonator containing a quantum well

Sete, Eyob A.; Eleuch, Hichem

doi:10.1103/physreva.85.043824

Cited by 110 publications

(73 citation statements)

References 31 publications

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“…For the single-mode optomechanical system (g 2 = 0), it would need much more photons in the cavity in order to reach the bistable regime (see Fig. 2 for illustration) [32]. In what follows, we will show that two-mode optomechanical system allows for optical bistability at extremely low cavity photon numbers.…”

Section: Numerical Results and Discussionmentioning

confidence: 76%

“…Recently, the bistable behavior of the mean intracavity photon number in optomechanical systems with a Bose-Einstein condensate (BEC) [26][27][28], ultracold atoms [29][30][31] and a quantum well [32] has been extensively studied. The photon number in the optical cavity with a BEC or ultracold atoms to allow * Electronic address: chengjiang˙8402@163.com † Electronic address: cys571015@hytc.edu.cn bistable behavior is usually low and even below unity due to the collective atomic motion.…”

Section: Introductionmentioning

confidence: 99%

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Controllable optical bistability based on photons and phonons in a two-mode optomechanical system

et al. 2013

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We explore theoretically the bistable behavior of intracavity photon number in a two-mode cavity optomechanical system, where two cavity modes are coupled to a common mechanical resonator. When the two cavity modes are driven by two pump laser beams, respectively, we find that the optical bistability can be controlled by tuning the power and frequency of the pump beams. The common interaction to a mechanical mode enables one to control the bistable behavior in one cavity by adjusting the pump laser beam driving another cavity. We also show that both branches of optical bistability at photon numbers below unity can be observed in this two-mode optomechanical system. This phenomenon can find potential applications in controllable optical switch.

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Section: Numerical Results and Discussionmentioning

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Controllable optical bistability based on photons and phonons in a two-mode optomechanical system

et al. 2013

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“…The nonlinear equation for I b is a signature that the exciton number can exhibit bistability [13,14] behaviour for a certain parameter regime. In the following, we discuss exciton-mechanical mode entanglement in the regime where the system is stable.…”

Section: Hamiltonian and Langevin Equationsmentioning

confidence: 99%

Entanglement between exciton and mechanical modes via dissipation-induced coupling

2015

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We analyze the entanglement between two matter modes in a hybrid quantum system consisting of a microcavity, a quantum well, and a mechanical oscillator. Although the exciton mode in the quantum well and the mechanical oscillator are initially uncoupled, their interaction through the microcavity field results in an indirect exciton-mode-mechanical-mode coupling. We show that this coupling is a Fano-Agarwal-type coupling induced by the decay of the exciton and the mechanical modes caused by the leakage of photons through the microcavity to the environment. Using experimental parameters and for slowly varying microcavity field, we show that the generated coupling leads to an exciton-mode-mechanical-mode entanglement. The maximum entanglement is achieved at the avoided level crossing frequency, where the hybridization of the two modes is maximum. The entanglement is also robust against the phonon thermal bath temperature.

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“…Nevertheless, a lot of theoretical studies on the subject has been carried out in the last decade and several proposals have been produced [21,22,23]. In Ref.…”

Section: Qm Kb Tmentioning

confidence: 99%

Limiting effects of geometrical and optical nonlinearities on the squeezing in optomechanics

Djorwé

Engo

Mbé

et al. 2013

Physica B: Condensed Matter

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In recent experiments, the re-thermalization time of the mechanical resonator is stated as the limiting factor for quantum applications of optomechanical systems. To explain the origin of this limitation, an analytical nonlinear investigation supported by the recent successful experimental laser cooling parameters is carried out in this work. To this end, the effects of geometrical and the optical nonlinearities on the squeezing are studied and are in a good agreement with the experimental results. It appears that highly squeezed state are generated where these nonlinearities are minimized and that high nonlinearities are limiting factors to reach the quantum ground state.

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Controllable nonlinear effects in an optomechanical resonator containing a quantum well

Cited by 110 publications

References 31 publications

Controllable optical bistability based on photons and phonons in a two-mode optomechanical system

Controllable optical bistability based on photons and phonons in a two-mode optomechanical system

Entanglement between exciton and mechanical modes via dissipation-induced coupling

Limiting effects of geometrical and optical nonlinearities on the squeezing in optomechanics

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