[CPDP] CLEO-PR 2022 Post Deadline

[CPDP-06] On-chip chiral-field-enhanced Raman optical activity for biosensing

*Tinghui Xiao¹, Zhenyi Luo¹, Kotaro Hiramatsu¹, Akihiro Isozaki¹, Tamitake Itoh², Zhenzhou Cheng³, Masahiro Nomura¹, Satoshi Iwamoto¹, Keisuke Goda^1,4,5 (1. University of Tokyo (Japan), 2. National Institute of Advanced Industrial Science and Technology (Japan), 3. Tianjin University (China), 4. Wuhan University (China), 5. University of California, Los Angeles (United States of America))

[Presentation Style] Onsite

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.