Coherent perfect absorber based on metamaterials

Guangyu Nie; Quanchao Shi; Zheng Zhu; Jinhui Shi

doi:10.1117/12.2071448

13 November 2014 Coherent perfect absorber based on metamaterials

Guangyu Nie, Quanchao Shi, Zheng Zhu, Jinhui Shi

Proceedings Volume 9278, Plasmonics; 92780B (2014) https://doi.org/10.1117/12.2071448
Event: SPIE/COS Photonics Asia, 2014, Beijing, China

Abstract

We demonstrate selective coherent perfect absorption based on interaction between bilayered asymmetrically split rings (ASRs) metamaterials and a standing wave formed by two coherent counter propagating beams. The selective coherent perfect absorbers with high absorption have been achieved depending on the phase difference between two coherent beams. The selective coherent control absorbers can be well designed by changing the thickness of the dielectric layer and the asymmetry of the ASRs. The coherently controlled metamaterials provide an opportunity to realize selective multiband absorption and ultrafast information processing.

Citation Download Citation

Guangyu Nie, Quanchao Shi, Zheng Zhu, and Jinhui Shi "Coherent perfect absorber based on metamaterials", Proc. SPIE 9278, Plasmonics, 92780B (13 November 2014); https://doi.org/10.1117/12.2071448

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