Tunable asymmetric transmission via lossy acoustic metasurfaces

Yong Li, Chen Shen, Yangbo Xie, Junfei Li, Wenqi Wang, Steven A. Cummer, Yun Jing

Research output: Contribution to journalArticlepeer-review

336 Scopus citations


In this study, we show that robust and tunable acoustic asymmetric transmission can be achieved through gradient-index metasurfaces by harnessing judiciously tailored losses. We theoretically prove that the asymmetric wave behavior stems from loss-induced suppression of high order diffraction. We further experimentally demonstrate this novel phenomenon. Our findings could provide new routes to broaden applications for lossy acoustic metamaterials and metasurfaces.

Original languageEnglish (US)
Article number035501
JournalPhysical review letters
Issue number3
StatePublished - Jul 18 2017

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy


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