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许京军
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期刊论文
Enhanced second-harmonic generation by means of high-powerconfinement in a photovoltaic soliton-induced waveguide
May 1, 2004/Vol. 29, No.9/OPTICS LETTERS，-0001，（）：
We present the first experimental demonstration of enhanced second-harmonic generation (SHG) by meansof power confinement with a femtosecond laser in a photovoltaic soliton-induced waveguide. A dark spatialsoliton created with a weak cw laser beam in a photovoltaic lithium niobate crystal induces an efficientwaveguide for SHG, leading to a 60% enhancement of the conversion efficiency.
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