Towards altering sound frequency at will by a linear meta-layer with time-varying and quantized properties

Temporal modulation materials have been attracting attention thanks to their ability to break wave reciprocity, i.e., waves traveling from point A to B are identical to waves propagating from B to A. The authors present a linear temporal modulation device with a giant acoustic impedance modulation r...

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Bibliographic Details
Main Authors: Yumin Zhang, Keming Wu, Chunqi Wang, Lixi Huang
Format: Article
Language:English
Published: Nature Publishing Group 2021-09-01
Series:Communications Physics
Online Access:https://doi.org/10.1038/s42005-021-00721-1