Realization of Resonant Optical Metasurfaces with Maximal and Tunable Chiral Response

  • Tan Shi
  • , Zi Lan Deng
  • , Guangzhou Geng
  • , Yixuan Zeng
  • , Guangwei Hu
  • , Adam Overvig
  • , Junjie Li
  • , Cheng Wei Qiu
  • , Andrea Alù
  • , Yuri S. Kivshar
  • , Xiangping Li

Research output: Contribution to journalConference articlepeer-review

Abstract

We employ the physics of chiral bound state in the continuum and suggest planar chiral metasurfaces with near-perfect circular dichroism (CD). We demonstrate experimentally metasurfaces with CD=0.9 with Q factor exceeding Q=390 at optical frequencies.

Original languageEnglish
Article numberSF4K.7
JournalOptics InfoBase Conference Papers
StatePublished - 2022
EventCLEO: Science and Innovations, S and I 2022 - San Jose, United States
Duration: 15 May 202220 May 2022

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