Nonreciprocal Acoustic Transmission Using Lithium Niobate Parity-Time-Symmetric Resonators

Linbo Shao,Wenbo Mao,Smarak Maity,Neil Sinclair,Yaowen Hu,Lan Yang,Marko Loncar

2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)（2020）

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摘要

Taking advantage of the piezoelectricity of lithium niobate, we achieve nonreciprocal transmission of 10 decibels for a 200-MHz surface acoustic wave using parity-timesymmetric resonators and demonstrate one-way circulation of acoustic waves. (C) 2020 The Author(s)

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关键词

nonreciprocal acoustic transmission,nonreciprocal transmission,surface acoustic wave,lithium niobate piezoelectricity,parity-time-symmetric resonators,LiNb

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