Li-Tien Huang, Redhwan Moqbel, Chi Chen, Ming-Hao Lee, Chi-Cheng Lee, Nannan Mao, Tianyi Zhang, Yunyue Zhu, Jing Kong, Kung-Hsuan Lin
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引用次数: 0
摘要
研究论文(10.1002/adpr)。202500033), Lin gong - hhuan和他的同事表明,具有铁电堆叠的少层SnSe具有比传统非线性晶体高3个数量级的二次谐波产生(SHG)效率。SHG响应是高度各向异性的,并且强烈依赖于激发波长。
Anisotropy of Second-Harmonic Generation in SnSe Flakes with Ferroelectric Stacking
Second-Harmonic Generation
In their Research Article (10.1002/adpr.202500033), Kung-Hsuan Lin and co-workers show that few-layer SnSe with ferroelectric stacking exhibits second harmonic generation (SHG) efficiencies up to three orders of magnitude higher than conventional nonlinear crystals. The SHG response is highly anisotropic and strongly dependent on the excitation wavelength.