Room-temperature lasing from topological cavities

Aditya Tripathi, Daria Smirnova, Sergey Kruk, Min Soo Hwang, Ha Reem Kim, Hong Gyu Park, Yuri Kivshar

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


We fabricate nanophotonic topological cavities incorporating III-V semiconductor quantum wells and observe room-temperature lasing with narrow spectrum, high coherence, and threshold behavior. The emitted beam hosts a singularity encoded by the specific triade cavity mode.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2020
PublisherOptica Publishing Group (formerly OSA)
ISBN (Print)9781943580767
Publication statusPublished - 2020
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2020 - Washington, United States
Duration: 2020 May 102020 May 15

Publication series

NameOptics InfoBase Conference Papers
VolumePart F182-CLEO-QELS 2020
ISSN (Electronic)2162-2701


ConferenceCLEO: QELS_Fundamental Science, CLEO_QELS 2020
Country/TerritoryUnited States

Bibliographical note

Publisher Copyright:
CLEO 2020 © OSA 2020.

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials


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