Asymmetric transmission in nanophotonics

A Sheikh Ansari, AK Iyer, B Gholipour - Nanophotonics, 2023 - degruyter.com
In a reciprocal medium, transmission of electromagnetic (EM) waves is symmetric along
opposite directions which restrict design and implementation of various systems in optics …

Asymmetric transmission for dual-circularly and linearly polarized waves based on a chiral metasurface

B Han, S Li, Z Li, G Huang, J Tian, X Cao - Optics express, 2021 - opg.optica.org
We propose a chiral metasurface (CMS) that exhibits asymmetric transmission (AT) of
double circularly and linearly polarized waves at the same frequency band. In order to …

Realizing efficient THz circular dichroism using ultra-thin chiral metasurface

UUR Qureshi, MI Khan, B Hu - Physica Scripta, 2023 - iopscience.iop.org
Circular dichroism is characterized by distinct optical responses for left-handed and right-
handed circularly polarized waves widely used for biological monitoring, analytical …

High-efficiency modulation of broadband polarization conversion with a reconfigurable chiral metasurface

Z Wei, Y Zhao, Y Zhang, W Cai, Y Fan, Z Wang… - Nanoscale …, 2022 - pubs.rsc.org
We demonstrate an electrically biased reconfigurable chiral metasurface for controlling the
polarization conversion and asymmetric transmission in a broadband manner. The …

Design and experimental realization of multifunctional anisotropic metasurface for efficient polarization manipulation in microwave frequencies

UUR Qureshi, B Hu, S Basir, M Ahmad, A Jalal… - Physica …, 2023 - iopscience.iop.org
This paper presents the realization of a multifunction anisotropic metasurface capable of
operating as both a half-waveplate and a quarter-waveplate in the C, X, and Ku bands. The …

Ultrabroadband chiral metasurface for linear polarization conversion and asymmetric transmission based on enhanced interference theory

J Zhao, N Li, Y Cheng - Chinese Optics Letters, 2023 - opg.optica.org
In this paper, we propose an ultrabroadband chiral metasurface (CMS) composed of S-
shaped resonator structures situated between two twisted subwavelength gratings and …

Multiband linear and circular polarization rotating metasurface based on multiple plasmonic resonances for C, X and K band applications

MI Khan, Y Chen, B Hu, N Ullah, SHR Bukhari… - Scientific reports, 2020 - nature.com
In this work, a multiband polarization converting metasurface is presented which achieves
cross-polarization conversion in five frequency bands while linear-to-circular and circular-to …

A bilayered, broadband, angularly robust chiral metasurface for asymmetric transmission

SHA Bokhari, HM Cheema - IEEE Antennas and Wireless …, 2020 - ieeexplore.ieee.org
Asymmetric transmission (AT) through metasurfaces yields a direction-sensitive behavior for
electromagnetic (EM) wave propagation. To date, majority of the reported works operate at …

An ultra-thin multifunctional chiral metasurface with asymmetric transmission, cross-polarization conversion, and circular dichroism for Ku-and K-band applications

A Ahmed, Q Cao, MI Khan, M Sajjad… - Journal of Physics D …, 2023 - iopscience.iop.org
In this paper, a bi-layered ultra-thin multifunctional chiral metasurface is proposed to obtain
asymmetric transmission (AT), cross-polarization conversion (CPC), and circular dichroism …

An efficient chiral polarization rotator with asymmetric transmission for large incidence angles

S Aisha, M Ismail Khan, Y Chen, B Hu… - Journal of Applied …, 2020 - pubs.aip.org
A linear polarization converting chiral metasurface with asymmetric transmission is
designed, analyzed, and characterized experimentally for operation in the Ku band of the …