Bistable Topological Insulator with Exciton-Polaritons

Yaroslav V. Kartashov, Dmitry V. Skryabin

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

The functionality of many nonlinear and quantum optical devices relies on the effect of optical bistability. Using microcavity exciton-polaritons in a honeycomb arrangement of microcavity pillars, we report the resonance response and bistability of topological edge states. A balance between the pump, loss, and nonlinearity ensures a broad range of dynamical stability and controls the distribution of power between counterpropagating states on the opposite edges of the honeycomb lattice stripe. Tuning energy and polarization of the pump photons, while keeping their momentum constant, we demonstrate control of the propagation direction of the dominant edge state. Our results facilitate the development of practical applications of topological photonics.

Original languageEnglish
Article number253904
Pages (from-to)1-6
Number of pages6
JournalPhysical Review Letters
Volume119
Issue number25
Early online date22 Dec 2017
DOIs
Publication statusPublished - 22 Dec 2017

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polaritons
excitons
insulators
pumps
optical bistability
nonlinearity
tuning
photonics
momentum
propagation
photons
polarization
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Bistable Topological Insulator with Exciton-Polaritons. / Kartashov, Yaroslav V.; Skryabin, Dmitry V.

In: Physical Review Letters, Vol. 119, No. 25, 253904, 22.12.2017, p. 1-6.

Research output: Contribution to journalArticle

Kartashov, Yaroslav V. ; Skryabin, Dmitry V. / Bistable Topological Insulator with Exciton-Polaritons. In: Physical Review Letters. 2017 ; Vol. 119, No. 25. pp. 1-6.
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