Topological Taper Structure towards Highly Efficient Coupling between Si Wire Waveguides and Topological Edge State Waveguide

Hibiki Kagami, Tomohiro Amemiya, Sho Okada, Kouichi Saito, Makoto Tanaka, Nobuhiko Nishiyama, Xiao Hu. Photonic Device Workshop (PDW) 2019, P-12, Dec. 2019.