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physics.optics2025
Broadband nonlinear optical microresonator array for topological second harmonic generation
Ruoyu Wang, Yiming Pan, Xiaoqin Shen
Topological photonics enables robust light manipulation with third-order optical nonlinearity, yet integrating second-order optical nonlinearity into a topological system faces fun…
physics.optics2024
Molecule-induced surface second-order nonlinearity in an inversion symmetric microcavity
Ru Wang, Yue Dai, Jinsong Cheng +2
Inversion symmetry eliminates the second-order nonlinear responses in materials commonly used in silicon photonics with electric-dipole approximation. The lack of effective methods…