Entangling two oscillating mirrors in an optomechanical system via a flying atom

doi:10.1088/1674-1056/27/7/074209

中国物理B ›› 2018, Vol. 27 ›› Issue (7): 74209-074209.doi: 10.1088/1674-1056/27/7/074209

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

Entangling two oscillating mirrors in an optomechanical system via a flying atom

Yu-Bao Zhang(张玉宝), Jun-Hao Liu(刘军浩), Ya-Fei Yu(於亚飞), Zhi-Ming Zhang(张智明)

Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices(SIPSE), Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China

收稿日期:2018-03-03 修回日期:2018-03-29 出版日期:2018-07-05 发布日期:2018-07-05
通讯作者: Zhi-Ming Zhang E-mail:zhangzhiming@m.scnu.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11574092, 61775062, 61378012, 91121023, and 60978009) and the National Basic Research Program of China (Grant No. 2013CB921804).

Entangling two oscillating mirrors in an optomechanical system via a flying atom

Yu-Bao Zhang(张玉宝), Jun-Hao Liu(刘军浩), Ya-Fei Yu(於亚飞), Zhi-Ming Zhang(张智明)

Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials and Devices(SIPSE), Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials, South China Normal University, Guangzhou 510006, China

Received:2018-03-03 Revised:2018-03-29 Online:2018-07-05 Published:2018-07-05
Contact: Zhi-Ming Zhang E-mail:zhangzhiming@m.scnu.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 11574092, 61775062, 61378012, 91121023, and 60978009) and the National Basic Research Program of China (Grant No. 2013CB921804).

摘要/Abstract

摘要： We propose a novel scheme for generating the entanglement of two oscillating mirrors in an optomechanical system via a flying atom. In this scheme, a two-level atom, in an arbitrary superposition state, passes through an optomechanical system with two oscillating cavity-mirrors, and then its states are detected. In this way, we can generate the entangled states of the two oscillating mirrors. We derive the analytical expressions of the entangled states and make numerical calculations. We find that the entanglement of the two oscillating mirrors can be controlled by the initial state of the atom, the optomechanical coupling strength, and the coupling strength between the atom and the cavity field. We investigate the dynamics of the system with dissipations and discuss the experimental feasibility.

关键词: quantum entanglement, optomechanical system, dissipative dynamics

Abstract: We propose a novel scheme for generating the entanglement of two oscillating mirrors in an optomechanical system via a flying atom. In this scheme, a two-level atom, in an arbitrary superposition state, passes through an optomechanical system with two oscillating cavity-mirrors, and then its states are detected. In this way, we can generate the entangled states of the two oscillating mirrors. We derive the analytical expressions of the entangled states and make numerical calculations. We find that the entanglement of the two oscillating mirrors can be controlled by the initial state of the atom, the optomechanical coupling strength, and the coupling strength between the atom and the cavity field. We investigate the dynamics of the system with dissipations and discuss the experimental feasibility.

Key words: quantum entanglement, optomechanical system, dissipative dynamics

中图分类号: (Quantum optics)

42.50.-p

42.50.Pq (Cavity quantum electrodynamics; micromasers) 03.67.Bg (Entanglement production and manipulation)

张玉宝, 刘军浩, 於亚飞, 张智明. Entangling two oscillating mirrors in an optomechanical system via a flying atom[J]. 中国物理B, 2018, 27(7): 74209-074209.

Yu-Bao Zhang(张玉宝), Jun-Hao Liu(刘军浩), Ya-Fei Yu(於亚飞), Zhi-Ming Zhang(张智明). Entangling two oscillating mirrors in an optomechanical system via a flying atom[J]. Chin. Phys. B, 2018, 27(7): 74209-074209.

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Entangling two oscillating mirrors in an optomechanical system via a flying atom

Entangling two oscillating mirrors in an optomechanical system via a flying atom

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