Abstract
We find that next-nearest-neighbour coupling in ring resonator lattices induces topological transitions and one-way edge modes. We design topological waveguides that are easily switchable using thermal, electro-optic, or nonlinear effects, enabling robust on-chip photon routing.
© 2018 The Author(s)
PDF ArticleMore Like This
Zhifeng Zhang, Mohammad Teimourpour, Jake Arkinstall, Mingsen Pan, Pei Miao, Henning Schomerus, Ramy El-Ganainy, and Liang Feng
FM3Q.1 CLEO: QELS_Fundamental Science (CLEO:FS) 2018
Jiho Noh, Wladimir A. Benalcazar, Taylor L. Hughes, and Mikael C. Rechtsman
FM2Q.2 CLEO: QELS_Fundamental Science (CLEO:FS) 2018
Pablo Reséndiz-Vázquez, Konrad Tschernig, Armando Perez-Leija, Kurt Busch, and Roberto de J. León-Montiel
FM3C.6 CLEO: QELS_Fundamental Science (CLEO:FS) 2020