Magneto-chiral metamaterials for optical nonreciprocity and polarization control

Diyar Talbayev

doi:10.1117/12.2589664

12 April 2021 Magneto-chiral metamaterials for optical nonreciprocity and polarization control

Diyar Talbayev

Proceedings Volume 11725, Next-Generation Spectroscopic Technologies XIV; 117250A (2021) https://doi.org/10.1117/12.2589664
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

Spatial symmetries determine how natural and artificial materials interact with light. For example, chiral molecules can cause the rotation of the polarization plane of linearly polarized light, an effect known as optical activity. Magnetic materials feature broken time-reversal symmetry, which can also lead to polarization rotation vie the Faraday effect. Magneto-chiral materials combine chirality with broken time-reversal symmetry. A new effect known as nonreciprocal directional anisotropy arises under such symmetry conditions, which results in the difference of transmitted light intensity in the forward and backward directions as measured with unpolarized light. We will present several magneto-chiral metamaterial architectures for the THz frequency range that exhibit this emerging phenomenology and also allow new ways of polarization control.

Conference Presentation

Citation Download Citation

Diyar Talbayev "Magneto-chiral metamaterials for optical nonreciprocity and polarization control", Proc. SPIE 11725, Next-Generation Spectroscopic Technologies XIV, 117250A (12 April 2021); https://doi.org/10.1117/12.2589664

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