Author:
Sohn Byoung-Uk,Choi Ju Won,Chen George F. R.,Gao Hongwei,Mitchell William J.,Ng Doris K. T.,Tan Dawn T. H.
Abstract
We explore nonlinear effects in a topological photonic valley Hall insulator with a Kagome system at telecommunications wavelengths, we achieve topologically protected -12dB parametric conversion with sub-milliwatt input and 7dB enhancements at slow light region.