Tunable Asymmetric Transmission via Lossy Acoustic Metasurfaces | Zendy

Yong Li | Zendy; Chen Shen | Zendy; Yangbo Xie | Zendy; Junfei Li | Zendy; Wenqi Wang | Zendy; Steven A. Cummer | Zendy; Yun Jing | Zendy

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Tunable Asymmetric Transmission via Lossy Acoustic Metasurfaces

Author(s) -

Yong Li,

Chen Shen,

Yangbo Xie,

Junfei Li,

Wenqi Wang,

Steven A. Cummer,

Yun Jing

Publication year - 2017

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.119.035501

Subject(s) - lossy compression , metamaterial , transmission (telecommunications) , materials science , diffraction , acoustics , optics , acoustic metamaterials , optoelectronics , physics , computer science , telecommunications , artificial intelligence

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.

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