Simultaneous control of polarization and amplitude over broad bandwidth using multi-layered anisotropic metasurfaces | Zendy

Jeong-Geun Yun | Zendy; Jangwoon Sung | Zendy; SunJe Kim | Zendy; Byoungho Lee | Zendy

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Simultaneous control of polarization and amplitude over broad bandwidth using multi-layered anisotropic metasurfaces

Author(s) -

Jeong-Geun Yun,

Jangwoon Sung,

SunJe Kim,

Byoungho Lee

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.029826

Subject(s) - optics , amplitude , polarization (electrochemistry) , amplitude modulation , broadband , anisotropy , phase modulation , materials science , bandwidth (computing) , polarization rotator , physics , optoelectronics , frequency modulation , birefringence , phase noise , telecommunications , chemistry , computer science

In this paper, the broadband transmissive modulation of polarization and amplitude is demonstrated with high efficiency and tunability using multi-layered aluminum metasurfaces. Broadband and nondispersive optical rotation in the optical frequency region is realized by using Fabry-Pérot-like cavity and phase compensation. Simultaneously, the transmission amplitude can be independently controlled by adjusting the twist angle of the anisotropic metasurfaces. The proposed polarization-amplitude modulators are numerically demonstrated to achieve large tunability with an amplitude modulation depth of 0.95 and maximum rotation angle of 180°.

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