Coherent control and feedback cooling in a remotely coupled hybrid atom-optomechanical system

被引：35

作者：

Bennett, James S. ^{[1
]}

Madsen, Lars S. ^{[1
]}

Baker, Mark ^{[1
]}

Rubinsztein-Dunlop, Halina ^{[1
]}

Bowen, Warwick P. ^{[1
]}

机构：

[1] Univ Queensland, Australian Res Council, Ctr Excellence Engn Quantum Syst EQuS, St Lucia, Qld 4072, Australia

来源：

NEW JOURNAL OF PHYSICS | 2014年 / 16卷

基金：

澳大利亚研究理事会;

关键词：

optomechanics; hybrid systems; sympathetic cooling; feedback cooling; QUANTUM; OSCILLATOR; MOTION; MIRROR; LIGHT;

D O I：

10.1088/1367-2630/16/8/083036

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Cooling to the motional ground state is an important first step in the preparation of nonclassical states of mesoscopic mechanical oscillators. Light-mediated coupling to a remote atomic ensemble has been proposed as a method to reach the ground state for low frequency oscillators. The ground state can also be reached using optical measurement followed by feedback control. Here we investigate the possibility of enhanced cooling by combining these two approaches. The combination, in general, outperforms either individual technique, though atomic ensemble-based cooling and feedback cooling each individually dominate over large regions of parameter space.

引用

页数：26

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