Topological photonics across active material platforms: from liquid crystals to 2D materials

Gennady B. Shvets

doi:10.1117/12.2633147

3 October 2022 Topological photonics across active material platforms: from liquid crystals to 2D materials

Gennady B. Shvets

Proceedings Volume PC12196, Active Photonic Platforms 2022; PC121960L (2022) https://doi.org/10.1117/12.2633147
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

Topological photonics enables unusual and robust properties of electromagnetic waves, including reflections-free photon propagation along strongly curved interfaces and localization at the corners and other discontinuities of photonic structures. Of particular interest are active topological devices whose properties can be changed on-demand. I will describe how graphene can become a platform for supporting topological polariton-excitons: new hybrid objects whose electronic and photonic properties can be actively controlled by electric gates. I will also discuss opportunities for using liquid crystals for developing topological and other tunable devices, such as varifocal lenses.

Conference Presentation

Citation Download Citation

Gennady B. Shvets "Topological photonics across active material platforms: from liquid crystals to 2D materials", Proc. SPIE PC12196, Active Photonic Platforms 2022, PC121960L (3 October 2022); https://doi.org/10.1117/12.2633147

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