Author:
Xiao Ting-Hui,Luo Zhengyi,Hiramatsu Kotaro,Isozaki Akihiro,Itoh Tamitake,Cheng Zhenzhou,Nomura Masahiro,Iwamoto Satoshi,Goda Keisuke
Abstract
We demonstrate on-chip chiral-field-enhanced Raman optical activity (ROA) by tailoring a dark mode excited in a silicon nanodisk array. We show >100x enhanced chiral light-molecule interaction with negligible artifacts for ROA measurement of biological enantiomers.