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physics.optics2023
Efficient light couplers to topological slow light waveguides in valley photonic crystals
Hironobu Yoshimi, Takuto Yamaguchi, Satomi Ishida +2
We numerically and experimentally demonstrate efficient light couplers between topological slow light waveguides in valley photonic crystals (VPhCs) and wire waveguides. By numeric…
physics.optics2021
Experimental demonstration of topological slow light waveguides in valley photonic crystals
Hironobu Yoshimi, Takuto Yamaguchi, Ryota Katsumi +3
We experimentally demonstrate topological slow light waveguides in valley photonic crystals (VPhCs). We employed a bearded interface formed between two topologically-distinct VPhCs…