Optical Tuning Of Second-Order Optical Nonlinearity In Transition Metal Dichalcogenides
2020 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO)(2020)
摘要
We show that the optical depopulation of conduction band electrons, close to high-symmetry K/K' points, modulates the contribution of interband electronic transitions in the second-order dielectric susceptibility of transition metal dichalcogenides, enabling ultrafast tuning of nonlinear processes. (C) 2020 The Author(s)
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关键词
monolayer MoS2 film,high-symmetry K-K' points,second-order optical nonlinearity,ultrafast tuning,second-order dielectric susceptibility,interband electronic transitions,conduction band electrons,transition metal dichalcogenides,MoS2
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