Magneto-chiral metamaterials for optical nonreciprocity

Diyar Talbayev

doi:10.1117/12.2593965

1 August 2021 Magneto-chiral metamaterials for optical nonreciprocity

Diyar Talbayev

Proceedings Volume 11827, Terahertz Emitters, Receivers, and Applications XII; 118270I (2021) https://doi.org/10.1117/12.2593965
Event: SPIE Optical Engineering + Applications, 2021, San Diego, California, United States

Abstract

Spatial symmetries and the time-reversal symmetry determine how natural and artificial materials interact with light. The time-reversal symmetry can be broken in magnetic materials, which leads to polarization rotation via the Faraday effect. A new effect known as nonreciprocal directional anisotropy emerges when the magnetic material also lacks the spatial inversion symmetry, which results in the difference of transmitted light intensity in the forward and backward directions as measured with unpolarized light. We will consider several cases studies, including a polar magnet and artificial magneto-chiral metamaterials 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", Proc. SPIE 11827, Terahertz Emitters, Receivers, and Applications XII, 118270I (1 August 2021); https://doi.org/10.1117/12.2593965

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