Science and applications of topological photonics: From microwaves to nanoscale

Gennady B. Shvets

doi:10.1117/12.2569163

25 August 2020 Science and applications of topological photonics: From microwaves to nanoscale

Gennady B. Shvets

Proceedings Volume 11461, Active Photonic Platforms XII; 114611A (2020) https://doi.org/10.1117/12.2569163
Event: SPIE Nanoscience + Engineering, 2020, Online Only

Abstract

I will provide an overview of the field, with special emphasis on the photonic emulation of the canonical quantum topological phases such as the Hall, spin-Hall, and valley-Hall phases, as well as higher-order topological phases. I will also discuss how the ideas from topological photonics can be used for complete reimagining of the architectures of photonic devices such as add/drop filters, delay lines, and logical gates based on the valley degree of freedom of photons (“photonic valleytronics”). Finally, I will discuss the prospects of realizing reconfigurable topological photonic structures on a nanoscale. The prospects for exciting topologically protected microwaves using high current beams, and using the latter for high-power magnets-free microwave radiation, will also be discussed.

Conference Presentation

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Gennady B. Shvets "Science and applications of topological photonics: From microwaves to nanoscale", Proc. SPIE 11461, Active Photonic Platforms XII, 114611A (25 August 2020); https://doi.org/10.1117/12.2569163

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KEYWORDS

Photonics

Microwave radiation

Condensed matter

Dielectrics

Radio propagation

Condensed matter physics

Photonic crystals

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