Gain enhancement effect of surface plasmon polaritons on terahertz stimulated emission in optically pumped monolayer graphene

Tetsuya Kawasaki, Takayuki Watanabe, Tetsuya Fukushima, Yuhei Yabe, Stephane Albon Boubanga Tombet, Akira Satou, Alexander A. Dubinov, Vladimir Ya Aleshkin, Vladimir Mitin, Victor Ryzhii, Taiichi Otsuji

研究成果: Paper査読

抄録

Giant gain enhancement effect of surface plasmon polaritons (SPPs) on terahertz (THz) stimulated emission in optically pumped monolayer graphene has been experimentally studied. We observed the spatial distribution of the THz probe pulse intensities under linear polarization of optical pump and THz probe pulses. It was clearly observed that an intense THz probe pulse was detected only at the area where the incoming TM mode THz probe pulse being capable of exciting the SPPs. The observed gain factor ∼50 is in fair agreement with theoretical calculations.

本文言語English
出版ステータスPublished - 2014 1 1
イベント2014 Conference on Lasers and Electro-Optics, CLEO 2014 - San Jose, United States
継続期間: 2014 6 82014 6 13

Other

Other2014 Conference on Lasers and Electro-Optics, CLEO 2014
国/地域United States
CitySan Jose
Period14/6/814/6/13

ASJC Scopus subject areas

  • 電子工学および電気工学
  • 原子分子物理学および光学
  • 電子材料、光学材料、および磁性材料

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