Super-BIC Laser

Min-Soo Hwang; Hoo-Cheol Lee; Kyoung-Ho Kim; Kwang-Yong Jeong; Soon-Hong Kwon; Kirill Koshelev; Yuri Kivshar; Hong-Gyu Park; Hong-Gyu Park

doi:10.1364/CLEO_QELS.2021.FTu4F.6

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper FTu4F.6
•https://doi.org/10.1364/CLEO_QELS.2021.FTu4F.6

Super-BIC Laser

Min-Soo Hwang, Hoo-Cheol Lee, Kyoung-Ho Kim, Kwang-Yong Jeong, Soon-Hong Kwon, Kirill Koshelev, Yuri Kivshar, and Hong-Gyu Park

CLEO: QELS_Fundamental Science 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Topological Photonics IV (FTu4F)

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M. Hwang, H. Lee, K. Kim, K. Jeong, S. Kwon, K. Koshelev, Y. Kivshar, and H. Park, "Super-BIC Laser," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper FTu4F.6.

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Abstract

We demonstrate lasing with ultralow threshold from small-scale dielectric metasurfaces with only ~10×10 periods operating at a super-BIC regime. Engineered high-Q resonance originates from topological merging of accidental and symmetry-protected bound states in the continuum.

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