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physics.optics2023★ 73 cited
Enhanced sum-frequency generation from etchless lithium niobate empowered by dual quasi-bound states in the continuum
Siqi Feng, Tingting Liu, Wenya Chen +2
The miniaturization of nonlinear light sources is central to the integrated photonic platform, driving a quest for high-efficiency frequency generation and mixing at the nanoscale.…
physics.optics2022
Wavy optical grating: wideband reflector and Fabry-Perot BICs
Ma Luo, Feng Wu
In this study, we theoretically and numerically investigate the resonant modes and reflectance of an optical grating consisting of a wavy dielectric slab by applying the spectral e…