Physics

Topological phonon transport in an optomechanical system

H. Ren, T. Shah, et al.

This groundbreaking research by Hengjiang Ren, Tirth Shah, Hannes Pfeifer, and their colleagues reveals the experimental realization of topological phonon transport in an optomechanical device. With over 800 cavities designed for site-resolved measurements, they significantly advance the miniaturization of mechanical topological systems.

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Abstract

This paper reports the experimental realization of topological phonon transport in an optomechanical device. The experiment uses a multiscale optomechanical crystal design with over 800 cavities, enabling site-resolved measurements of thermal fluctuations traveling along topological edge channels. This demonstrates a significant advancement in miniaturizing mechanical topological systems.

Publisher

Nature Communications

Published On

Jun 17, 2022

Authors

Hengjiang Ren, Tirth Shah, Hannes Pfeifer, Christian Brendel, Vittorio Peano, Florian Marquardt, Oskar Painter

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