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Conferences > CLEO_SI > 2020 > STu3J > STu3J.7

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

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

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Abstract

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

© 2020 The Author(s)

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