Controllable four-wave mixing response in a dual-cavity hybrid optomechanical system |
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Institution: | 1.Department of Physics, College of Physics and Optoelectronics, Taiyuan University of Technology, Taiyuan 030024, China;2.Key Laboratory of Advanced Transducers and Intelligent Control System, Ministry of Education and Shanxi Province, Taiyuan 030024, China;3.Department of Physics, School of Physics and Material Science, Guangzhou University, Guangzhou 510006, China |
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Abstract: | We systematically investigate the four-wave mixing (FWM) spectrum in a dual-cavity hybrid optomechanical system, which is made up of one optical cavity with an ensemble of two-level atoms and another with a mechanical oscillator. In this work, we propose that the hybrid dual-cavity optomechanical system can be employed as a highly sensitive mass sensor due to the fact that the FWM spectrum generated in this system has a narrow spectral width and the intensity of the FWM can be easily tuned by controlling the coupling strength (cavity-cavity, atom-cavity). More fascinatingly, the dual-cavity hybrid optomechanical system can also be used as an all-optical switch in view of the easy on/off control of FWM signals by adjusting the atom-pump detuning to be positive or negative. The proposed schemes have great potential applications in quantum information processing and highly sensitive detection. |
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Keywords: | four-wave mixing dual-cavity optomechanical system atomic ensemble |
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