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Reconfigurable optomechanical circulator and directional amplifier.


ABSTRACT: Non-reciprocal devices, which allow non-reciprocal signal routing, serve as fundamental elements in photonic and microwave circuits and are crucial in both classical and quantum information processing. The radiation-pressure-induced coupling between light and mechanical motion in travelling-wave resonators has been exploited to break the Lorentz reciprocity, enabling non-reciprocal devices without magnetic materials. Here, we experimentally demonstrate a reconfigurable non-reciprocal device with alternative functions as either a circulator or a directional amplifier via optomechanically induced coherent photon-phonon conversion or gain. The demonstrated device exhibits considerable flexibility and offers exciting opportunities for combining reconfigurability, non-reciprocity and active properties in single photonic devices, which can also be generalized to microwave and acoustic circuits.

SUBMITTER: Shen Z 

PROVIDER: S-EPMC5935678 | biostudies-literature | 2018 May

REPOSITORIES: biostudies-literature

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Reconfigurable optomechanical circulator and directional amplifier.

Shen Zhen Z   Zhang Yan-Lei YL   Chen Yuan Y   Sun Fang-Wen FW   Zou Xu-Bo XB   Guo Guang-Can GC   Zou Chang-Ling CL   Dong Chun-Hua CH  

Nature communications 20180504 1


Non-reciprocal devices, which allow non-reciprocal signal routing, serve as fundamental elements in photonic and microwave circuits and are crucial in both classical and quantum information processing. The radiation-pressure-induced coupling between light and mechanical motion in travelling-wave resonators has been exploited to break the Lorentz reciprocity, enabling non-reciprocal devices without magnetic materials. Here, we experimentally demonstrate a reconfigurable non-reciprocal device with  ...[more]

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