Nonreciprocal light transmission via optomechanical parametric interactions

• URL: http://arxiv.org/abs/2110.10922v1
• Date: Thu, 21 Oct 2021 06:29:03 GMT
• Title: Nonreciprocal light transmission via optomechanical parametric interactions
• Authors: Yan-Ting Lan, Wan-Jun Su, Huaizhi Wu, Yong Li, Shi-Biao Zheng
• Abstract summary: Nonreciprocal transmission of optical or microwave signals is indispensable in various applications involving sensitive measurements. We study optomechanically induced directional amplification and isolation in a generic setup using blue-sideband drive tones. The nonreciprocal device can potentially be demonstrated by opto- and electro-mechanical setups in both optical and microwave domains.
• Score: 5.097874180012541
• License: http://creativecommons.org/publicdomain/zero/1.0/
• Abstract: Nonreciprocal transmission of optical or microwave signals is indispensable in various applications involving sensitive measurements. In this paper, we study optomechanically induced directional amplification and isolation in a generic setup including two cavities and two mechanical oscillators by exclusively using blue-sideband drive tones. The input and output ports defined by the two cavity modes are coupled through coherent and dissipative paths mediated by the two mechanical resonators, respectively. By choosing appropriate transfer phases and strengths of the driving fields, either a directional amplifier or an isolator can be implemented at low thermal temperature, and both of them show bi-directional nonreciprocity working at two mirrored frequencies. The nonreciprocal device can potentially be demonstrated by opto- and electro-mechanical setups in both optical and microwave domains.

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