Enhanced Circular Dichroism and Chiral Sensing with Bound States in the Continuum

Koshelev, Kirill; Jahani, Yasaman; Tittl, Andreas; Altug, Hatice; Kivshar, Yuri

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Enhanced Circular Dichroism and Chiral Sensing with Bound States in the Continuum

Date

2019

Authors

Abstract

We reveal that optical chirality at the nanoscale can be boosted dramatically by bound states in the continuum (BIC). We predict the enhancement of chiroptical signals from nanostructures supporting quasi-BICs in mid-IR with a record-high efficiency.