Quantum non-demolition phonon counter with a hybrid optomechnical system

被引：0
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作者：
Qiao Song
KeYe Zhang
Ying Dong
WeiPing Zhang
机构：
[1] East China Normal University,Quantum Institute for Light and Atoms, School of Physics and Material Science
[2] University of Waterloo,Institute for Quantum Computing and Department of Physics and Astronomy
[3] Shanghai Jiao Tong University,Department of Physics and Astronomy
[4] and Tsung-Dao Lee Institute,Collaborative Innovation Center of Extreme Optics
[5] Shanxi University,undefined
来源：
Science China Physics, Mechanics & Astronomy | 2018年 / 61卷
关键词：
phonon counting; optomechanics; quantum non-demolition; quantum hybrid system;
D O I：
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摘要：
A phonon counting scheme based on the control of polaritons in an optomechanical system is proposed. This approach permits us to measure the number of phonons in a quantum non-demolition (QND) manner for arbitrary modes not limited by the frequency matching condition as in usual photon-phonon scattering detections. The performance on phonon number transfer and quantum state transfer of the counter are analyzed and simulated numerically by taking into account all relevant sources of noise.
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