Optical second harmonic generation and its photoinduced dynamics in ferroelectric semiconductor Sn<Subscript>2</Subscript>P<Subscript>2</Subscript>S<Subscript>6</Subscript>期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

Optical second harmonic generation and its photoinduced dynamics in ferroelectric semiconductor Sn2P2S6

Authors:	K. A. Brekhov K. A. Grishunin D. V. Afanas’ev S. V. Semin N. E. Sherstyuk E. D. Mishina A. V. Kimel

Affiliation:	1.Moscow Technological University (MIREA),Moscow,Russia;2.Institute for Molecules and Materials,Radboud University,Nijmegen,Netherlands

Abstract:	By means of optical pump–probe technique, the ultrafast dynamics of nonlinear optical response of the ferroelectric semiconductor Sn₂P₂S₆ crystal excited with a femtosecond laser pulse has been investigated. It has been shown that, under the action of femtosecond pulses, change in optical second harmonic generation occurs in the sample, which can be due to screening of existing electric polarization.

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