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

doi:10.1364/CLEO-QELS.2019.FW4B.3

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

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference 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 language	English
Title of host publication	CLEO
Subtitle of host publication	QELS_Fundamental Science, CLEO_QELS 2019
Publisher	OSA - The Optical Society
ISBN (Print)	9781943580576
DOIs	https://doi.org/10.1364/CLEO-QELS.2019.FW4B.3
Publication status	Published - 2019
Event	CLEO: QELS_Fundamental Science, CLEO_QELS 2019 - San Jose, United States Duration: 2019 May 5 → 2019 May 10

Publication series

Name	Optics InfoBase Conference Papers
Volume	Part F128-CLEO_QELS 2019

Conference

Conference	CLEO: QELS_Fundamental Science, CLEO_QELS 2019
Country	United States
City	San Jose
Period	19/5/5 → 19/5/10

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Mechanics of Materials

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10.1364/CLEO-QELS.2019.FW4B.3

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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

Observation of extraordinary SHG from all-dielectric nanoantennas governed by bound states in the continuum. / Koshelev, Kirill; Kruk, Sergey; Choi, Jae Hyuck; Melik-Gaykazyan, Elizaveta V.; Smirnova, Daria; Park, Hong Gyu; Kivshar, Yuri.

CLEO: QELS_Fundamental Science, CLEO_QELS 2019. OSA - The Optical Society, 2019. (Optics InfoBase Conference Papers; Vol. Part F128-CLEO_QELS 2019).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Koshelev, K, Kruk, S, Choi, JH, Melik-Gaykazyan, EV, Smirnova, D, Park, HG & 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, CLEO: QELS_Fundamental Science, CLEO_QELS 2019, San Jose, United States, 19/5/5. https://doi.org/10.1364/CLEO-QELS.2019.FW4B.3

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

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.",

author = "Kirill Koshelev and Sergey Kruk and Choi, {Jae Hyuck} and Melik-Gaykazyan, {Elizaveta V.} and Daria Smirnova and Park, {Hong Gyu} and Yuri Kivshar",

note = "Funding Information: The authors acknowledge the Russian Science Foundation (18-72-10140) and collaboration with A. Bogdanov. K.K. acknowledges the Foundation for the Advancement of Theoretical Physics and Mathematics {"}BASIS{"} for support.; CLEO: QELS_Fundamental Science, CLEO_QELS 2019 ; Conference date: 05-05-2019 Through 10-05-2019",

year = "2019",

doi = "10.1364/CLEO-QELS.2019.FW4B.3",

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AU - Choi, Jae Hyuck

AU - Melik-Gaykazyan, Elizaveta V.

AU - Smirnova, Daria

AU - Park, Hong Gyu

AU - Kivshar, Yuri

N1 - Funding Information: The authors acknowledge the Russian Science Foundation (18-72-10140) and collaboration with A. Bogdanov. K.K. acknowledges the Foundation for the Advancement of Theoretical Physics and Mathematics "BASIS" for support.

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Y1 - 2019

N2 - 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.

AB - 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.

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Y2 - 5 May 2019 through 10 May 2019

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