Hybrid integration of two-dimensional MoSe2 on a silicon waveguide for second-order nonlinear optics
Summary form only given. Two-dimensional (2D) transition-metal di-chalcogenides (TMDCs) with intrinsically-broken crystalline inversion symmetry have shown great promise for future nonlinear light sources. However, the sub-nanometer thickness of such active materials limits their overall nonlinear conversion efficiency. In this work, we demonstrate, for the first time to our knowledge, enhanced second-harmonic generation (SHG) from 2D MoSe 2 through integrating it with Si waveguide. Light from...[Show more]
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