Generating High-Harmonic Optical Vortex Beams from Photonic Bound States in the Continuum
In this paper, we study the high-harmonic optical vortex (OV) generation from an α-Si photonic crystal (PhC) slab supporting the guided resonance associated with bound states in the continuum (BICs). We show that the topological charge of the nth-harmonic OV beams is determined by both the polarization charge of the BIC and the circular polarization state of the nth-harmonic signal relative to that of the fundamental waves.
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Work Title | Generating High-Harmonic Optical Vortex Beams from Photonic Bound States in the Continuum |
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License | In Copyright (Rights Reserved) |
Work Type | Article |
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Publication Date | September 21, 2022 |
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Deposited | September 09, 2024 |
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