Phase Relaxation Processes of Excitons in Island-Inserted Quantum Well Structures-Suppression of Relaxation and Giant Quantum Beats

T. Matsusue, T. Saiki, M. Kuwata-Gonokami, H. Akiyama, H. Sakai

研究成果: Conference contribution

抄録

Degenerate four wave mixing measurements are performed on exciton resonance in island inserted quantum wells, where AlAs islands are embedded in the center of the GaAs quantum wells. It is found that the island insertion causes strong suppression of phase relaxation of the excitons. Deep quantum beats are also observed and attributed to coherent lateral oscillations of excitons between adjacent regions with one monolayer well width difference.

本文言語English
ホスト出版物のタイトルUltrafast Electronics and Optoelectronics, UEO 1993
出版社Optica Publishing Group (formerly OSA)
ページ138-141
ページ数4
ISBN(電子版)9781557528209
出版ステータスPublished - 1993
外部発表はい
イベントUltrafast Electronics and Optoelectronics, UEO 1993 - San Francisco, United States
継続期間: 1993 1月 251993 1月 25

出版物シリーズ

名前Optics InfoBase Conference Papers

Conference

ConferenceUltrafast Electronics and Optoelectronics, UEO 1993
国/地域United States
CitySan Francisco
Period93/1/2593/1/25

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 材料力学

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