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physics.optics2023
Second-harmonic generation with a 440,000% W-1 conversion efficiency in a lithium niobate microcavity without periodic poling
Xiao Wu, Zhenzhong Hao, Li Zhang +6
Thin-film lithium niobate (TFLN) enables extremely high-efficiency second-order nonlinear optical effects due to large nonlinear coefficient d33 and strong optical field localizati…
physics.optics2023★ 2 cited
High-efficiency edge couplers enabled by vertically tapering on lithium-niobate photonic chips
Di Jia, Qiang Luo, Chen Yang +7
In the past decade, photonic integrated circuits (PICs) based on thin-film lithium niobate (TFLN) have advanced in various fields, including optical communication, nonlinear photon…