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Chin. Phys. B, 2017, Vol. 26(5): 054210    DOI: 10.1088/1674-1056/26/5/054210
ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS Prev   Next  

Adjustable quantum coherence effects in a hybrid optomechanical system

Wen-Qing Xia(夏文清), Ya-Fei Yu(於亚飞), Zhi-Ming Zhang(张智明)
Guangdong Provincial Key Laboratory of Nanophotonic Functional Materials & Devices (SIPSE), and Guangdong Provincial Key Laboratory of Quantum Engineering & Quantum Materials, South China Normal University, Guangzhou 510006, China
Abstract  

We propose a system for achieving some adjustable quantum coherence effects, including the normal-mode splitting (NMS), the optomechanically induced transparency (OMIT), and the optomechanically induced absorption (OMIA). In this system, two tunnel-coupled optomechanical cavities are each driven by a coupling field and coupled to an atomic ensemble. Besides, one of the cavities is also injected with a probe field. When the system works under different conditions, we can obtain the NMS, the OMIT, and the OMIA, respectively. These effects can be flexibly adjusted by the tunnel coupling between the two cavities, the power of the coupling lasers, and the coupling strength between the atomic ensembles and the cavity fields. Furthermore, we can realize the OMIT even if the oscillating mirrors have relatively larger decay rates.

Keywords:  optomechanically induced transparency      optomechanically induced absorption      normal-mode splitting  
Received:  17 November 2016      Revised:  30 December 2016      Published:  05 May 2017
PACS:  42.50.Pq (Cavity quantum electrodynamics; micromasers)  
  42.50.-p (Quantum optics)  
  42.25.Kb (Coherence)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant Nos. 11574092, 61378012, 91121023, and 60978009), the National Basic Research Program of China (Grant No. 2013CB921804), and the Innovative Research Team in University, China (Grant No. IRT1243).

Corresponding Authors:  Zhi-Ming Zhang     E-mail:  zmzhang@scnu.edu.cn

Cite this article: 

Wen-Qing Xia(夏文清), Ya-Fei Yu(於亚飞), Zhi-Ming Zhang(张智明) Adjustable quantum coherence effects in a hybrid optomechanical system 2017 Chin. Phys. B 26 054210

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