Giant intrinsic chiro-optical activity in planar nanostructures

Alexander Y. Zhu, Wei Ting Chen, Aun Zaidi, Yao-Wei Huang, Mohammadreza Khorasaninejad, Vyshakh Sanjeev, Cheng-Wei Qiu, Federico Capasso

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We demonstrate near-unity circular dichroism in planar dielectric nanostructures, with approximately 90% of the incident light of the chosen helicity being transmitted at normal incidence at 540 nm. Such strong intrinsic chiral behavior exists due to the excitation of giant higher-order multipoles.
Original languageEnglish (US)
Title of host publicationConference on Lasers and Electro-Optics
ISBN (Print)9781557528209
StatePublished - 2018
Externally publishedYes


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