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Intensive terahertz emission from GaSe0.91S0.09 under collinear difference frequency generation

  • Jingguo Huang
  • , Zhiming Huang*
  • , Jingchao Tong
  • , Cheng Ouyang
  • , Junhao Chu
  • , Yury Andreev
  • , Konstantin Kokh
  • , Grigory Lanskii
  • , Anna Shaiduko
  • *此作品的通讯作者

科研成果: 期刊稿件文章同行评审

摘要

An intensive, broad tunable monochromatic Terahertz (THz) emission is generated from S-doped (2 wt. %) GaSe (solid solution GaSe0.91S 0.09) crystals by collinear difference frequency generation method. The generated THz signal of 3.8 ns covers the spectral range of 0.57-3.57 THz (84.0-528.0 μm), with a maximal THz output peak power of 21.8 W at 1.62 THz. The THz power conversion efficiency is of 45% higher than that of undoped GaSe, which is mainly contributed to the improved optical properties. The terahertz source is of great potential to be exploited for the out-of-door applications due to the increased crystal hardness.

源语言英语
文章编号081104
期刊Applied Physics Letters
103
8
DOI
出版状态已出版 - 19 8月 2013
已对外发布

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