Two-dimensional Topological Photonic Crystals with Helical Edge States below the Light Line

Chengkun Zhang, Hironobu Yoshimi, Yasutomo Ota, Satoshi Iwamoto

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

1 Citation (Scopus)


We design semiconductor-based two-dimensional photonic crystals that can support topological helical edge states below the light line. We numerically demonstrate that the edge states can guide light robustly in the waveguide even with sharp bends. The structure will be a new platform for topological nanophotonic waveguides with no radiation loss.

Original languageEnglish
Title of host publication26th Microoptics Conference, MOC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9784863487758
Publication statusPublished - 2021
Event26th Microoptics Conference, MOC 2021 - Virtual, Online, Japan
Duration: 2021 Sept 262021 Sept 29

Publication series

Name26th Microoptics Conference, MOC 2021


Conference26th Microoptics Conference, MOC 2021
CityVirtual, Online

ASJC Scopus subject areas

  • Spectroscopy
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials
  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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