Influence of exciton-exciton interactions on frequency-mixing signals in a stable exciton-biexciton system

Junko Ishi, Hideyuki Kunugita, Kazuhiro Ema, Takuma Ban, Takashi Kondo

研究成果: Article査読

27 被引用数 (Scopus)

抄録

Transient nondegenerate four-wave mixing was performed in the femtosecond domain on a stable exciton-biexciton system. For excitation with two spectrally narrow pulses of frequencies ω1 and ω2 that have no spectral overlap with each other, only a frequency-mixing signal at 2ω1−ω2 was observed. The polarization dependence of the frequency-mixing signal intensity changed dramatically with increasing frequency difference between the incident pulses. Our results demonstrate that the frequency-mixing signal is strongly correlated with the exciton dynamics and the dramatic change of its polarization dependence is caused by the exciton-exciton interactions.

本文言語English
ジャーナルPhysical Review B - Condensed Matter and Materials Physics
63
7
DOI
出版ステータスPublished - 2001 1 22
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学

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