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Conferences > CLEO_QELS > 2020 > FTu4A > FTu4A.2

Topologically protected acoustic wave amplification in an optomechanical array

Jingwen Ma, Ziyao Feng, Yuan Li, and Xiankai Sun

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Abstract

By exploiting the simultaneous particle-conserving and particle-nonconserving phonon- photon interactions in an optomechanical array, we find a topologically protected edge state for phonons that can be parametrically amplified when all the bulk states remain stable.

© 2020 The Author(s)

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