Slow Light Waveguide Based on Topological Edge States in Valley Photonic Crystals

Hironobu Yoshimi, Takuto Yamaguchi, Ryota Katsumi, Yasutomo Ota, Yasuhiko Arakawa, Satoshi Iwamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We demonstrate slow light waveguides using topological valley kink states. We found in-gap high-group-index modes at bearded interfaces of silicon-based valley photonic crystals, clearing the path to build topologically-protected slow light waveguides only using semiconductors.

Original languageEnglish
Title of host publication2020 Conference on Lasers and Electro-Optics, CLEO 2020 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781943580767
Publication statusPublished - 2020 May
Externally publishedYes
Event2020 Conference on Lasers and Electro-Optics, CLEO 2020 - San Jose, United States
Duration: 2020 May 102020 May 15

Publication series

NameConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
Volume2020-May
ISSN (Print)1092-8081

Conference

Conference2020 Conference on Lasers and Electro-Optics, CLEO 2020
Country/TerritoryUnited States
CitySan Jose
Period20/5/1020/5/15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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