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physics.optics2025
Coupled micro-resonators for second-order integrated nonlinear optics
Yannick Dumeige, Yoan Léger
We investigate second-order nonlinear processes in a system of two coupled identical optical micro-resonators. The double resonance and phase-matching conditions are simultaneously…
physics.optics2025
Second harmonic generation in polycrystalline ZnS nanowaveguides
Antoine Lemoine, Lise Morice, Brieg Le Corre +8
We report the realization of Zinc Sulfide (ZnS) nanowaveguides and the experimental observation of second harmonic generation (SHG) in such structures, demonstrating their potentia…
physics.optics2025
High efficiency second harmonic generation in transverse orientation patterned gallium phosphide waveguides
Antoine Lemoine, Brieg Le Corre, Lise Morice +13
Achieving high conversion efficiencies in second-order nonlinear optical processes is a key challenge in integrated photonics for both classical and quantum applications. This pape…