Highly efficient vertical coupling to a topological waveguide with defect structure
H Kagami, T Amemiya, S Okada, N Nishiyama… - Optics Express, 2021 - opg.optica.org
In this study, we propose a defect structure that enhances the vertical coupling efficiency of
circularly polarized light incident on topological waveguides consisting of triangle nanoholes …
circularly polarized light incident on topological waveguides consisting of triangle nanoholes …
Splitter of topological photonic waveguide in semiconductor platform
T Amemiya, S Okada, H Kagami, N Nishiyama… - 2023 - researchsquare.com
We propose a splitter that can separate a topological photonic waveguide into two branches
with the desired relative wave intensity while keeping the waveguide mode intact. The …
with the desired relative wave intensity while keeping the waveguide mode intact. The …