Exceptional points in photonic grating band diagrams lead to decay-free radiation

Alexander Yulaev, Sangsik Kim, Qing Li, Daron A. Westly, Brian J. Roxworthy, Kartik Srinivasan, Vladimir Aksyuk

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We demonstrate that exceptional points in a photonic band diagram lead to constant-intensity free-space beams projected from grating couplers. Our findings pave the way for projecting spatially broad free-space beams with decay-free profiles.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO: QELS 2021
PublisherThe Optical Society
ISBN (Electronic)9781557528209
StatePublished - 2021
EventCLEO: QELS_Fundamental Science, CLEO: QELS 2021 - Part of Conference on Lasers and Electro-Optics, CLEO 2021 - Virtual, Online, United States
Duration: May 9 2021May 14 2021

Publication series

NameOptics InfoBase Conference Papers

Conference

ConferenceCLEO: QELS_Fundamental Science, CLEO: QELS 2021 - Part of Conference on Lasers and Electro-Optics, CLEO 2021
Country/TerritoryUnited States
CityVirtual, Online
Period05/9/2105/14/21

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