Related Experiment Video
Updated: Feb 3, 2026

Preparation of Graphene-Supported Microwell Liquid Cells for In Situ Transmission Electron Microscopy
Published on: July 15, 2019
Tunable dual-band asymmetric transmission for circularly polarized waves with graphene planar chiral metasurfaces
Abstract:
The asymmetric transmission effect has attracted great interest due to its wide modern optical applications. In this Letter, we present the underlying theory, the design specifications, and the simulated demonstration of tunable dual-band asymmetric transmission for circularly polarized waves with a graphene planar chiral metasurface. The spectral position of the asymmetric peak is linearly dependent on the Fermi energy and can be controlled by changing the Fermi energy. The success of tunable dual-band asymmetric transmission can be attributed to the enantiomerically sensitive plasmonic excitations of the graphene metasurface. This work offers a further step in developing tunable asymmetric transmission of circularly polarized waves for applications in detectors and other polarization-sensitive electromagnetic devices.
Related Concept Videos
Band Theory
The energy difference between these bands is known as the band gap.
Conductor, Semiconductor,...
Molecular Shape and Polarity
Chirality
Chiral objects exhibit a sense of handedness when they interact with another chiral object. For example, our left foot can only fit in the left shoe and not in the right shoe. Achiral objects — objects that have...
The Wave Nature of Light
Group Polarization
Chirality in Nature

