Observation of extraordinary SHG from all-dielectric nanoantennas governed by bound states in the continuum

Kirill Koshelev, Sergey Kruk, Jae Hyuck Choi, Elizaveta V. Melik-Gaykazyan, Daria Smirnova, Hong-Gyu Park, Yuri Kivshar

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

Abstract

We observe record-high efficiency of the second-harmonic generation from AlGaAs nanoantennas fabricated on a transparent substrate and pumped with structured light. The engineered nanoantennas exhibit high-quality optical resonances governed by quasi-bound states in the continuum.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2019
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
Publication statusPublished - 2019 Jan 1
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2019 - San Jose, United States
Duration: 2019 May 52019 May 10

Publication series

NameOptics InfoBase Conference Papers
VolumePart F128-CLEO_QELS 2019

Conference

ConferenceCLEO: QELS_Fundamental Science, CLEO_QELS 2019
CountryUnited States
CitySan Jose
Period19/5/519/5/10

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

Cite this

Koshelev, K., Kruk, S., Choi, J. H., Melik-Gaykazyan, E. V., Smirnova, D., Park, H-G., & Kivshar, Y. (2019). Observation of extraordinary SHG from all-dielectric nanoantennas governed by bound states in the continuum. In CLEO: QELS_Fundamental Science, CLEO_QELS 2019 (Optics InfoBase Conference Papers; Vol. Part F128-CLEO_QELS 2019). OSA - The Optical Society. https://doi.org/10.1364/CLEO-QELS.2019.FW4B.3