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 publicationCLEO
Subtitle of host publicationScience and Innovations, CLEO_SI 2020
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
Publication statusPublished - 2020
Externally publishedYes
EventCLEO: Science and Innovations, CLEO_SI 2020 - Washington, United States
Duration: 2020 May 102020 May 15

Publication series

NameOptics InfoBase Conference Papers
VolumePart F183-CLEO-SI 2020

Conference

ConferenceCLEO: Science and Innovations, CLEO_SI 2020
Country/TerritoryUnited States
CityWashington
Period20/5/1020/5/15

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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