Abstract

We propose a highly efficient (nearly lossless and impedance-matched) all-dielectric optical tensor impedance metasurface that mimics chiral effects at optical wavelengths. By cascading an array of rotated crossed silicon nanoblocks, we realize chiral optical tensor impedance metasurfaces that operate as circular polarization selective surfaces. Their efficiencies are maximized through a nonlinear numerical optimization process in which the tensor impedance metasurfaces are modeled via multi-conductor transmission line theory. From rigorous full-wave simulations that include all material losses, we show field transmission efficiencies of 94% for right- and left-handed circular polarization selective surfaces at 800 nm.

© 2016 Optical Society of America

Giant optical chirality in dielectric metasurfaces induced by toroidal dipole resonances

Jiaju Wu, Haitao Jiang, ZhiWei Guo, Yong Sun, Yunhui Li, and Hong Chen
Opt. Lett. 48(4) 916-919 (2023)

Phase-change metasurfaces for dynamic control of chiral quasi-bound states in the continuum

Shi Li, Tian Sang, Chaoyu Yang, Junjian Lu, and Yueke Wang
Opt. Lett. 48(24) 6488-6491 (2023)

Tunable dual-band asymmetric transmission for circularly polarized waves with graphene planar chiral metasurfaces

Zhancheng Li, Wenwei Liu, Hua Cheng, Shuqi Chen, and Jianguo Tian
Opt. Lett. 41(13) 3142-3145 (2016)

All-dielectric circular polarizer with nearly unit transmission efficiency based on cascaded tensor Huygens surface

Huan Jiang, Wenyu Zhao, and Yongyuan Jiang
Opt. Express 24(16) 17738-17745 (2016)

Characteristics of surface plasmon polaritons in a dielectrically chiral-metal-chiral waveguiding structure

Qiang Zhang and Junqing Li
Opt. Lett. 41(14) 3241-3244 (2016)