Generation of High Harmonics in Silicon Metasurfaces Boosted by Bound States in the Continuum
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Koshelev, Kirill
Zograf, George
Korolev, Viacheslav
Zalogina, Anastasia
Choi, Duk Yong
Hollinger, Richard
Luther-Davies, Barry
Zurch, Michael
Kartashov, Daniil
Spielmann, Christian
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Institute of Electrical and Electronics Engineers Inc.
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Abstract
Bound states in the continuum (BICs) are lossless states predicted in quantum mechanics in 1929, and for the last decade, received special attention in optics and photonics as a versatile tool to achieve giant quality factors (Q factors) [1]. For ordered arrays of subwavelength meta-atoms, metasurfaces, with broken in-plane symmetry, it was shown that Q factor of quasi-BICs can be unambiguously controlled by variation of the unit cell asymmetry parameter [2].
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2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021
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