Stimulated Emission Processes in Zn_<1-x>Cd_xSe/ZnSe Multiquantum Wells

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概要

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• A stimulated emission effect has been studied in Zn_<1-x>Cd_xSe/ZnSe (x=0.3) multiquantum wells (MQWs) with the well width of 7 to 70Å. The luminescence spectrum of the quantum well (QW) exciton at 4.2 K is shifted from the absorption spectrum by 10-12 meV to the lower-energy side. The deviation of the peak energy of the 1uminescence shows that the excitons in the MQW are inhomogeneously broadened by the monolayer fluctuation of the QW width, Stimulated emission is observed in the low-energy shoulder of the exciton luminescence band, which shifts to lower energies with increasing excitation intensity. The gain process is explained by the exciton-exciton scattering in the MQWs.

• 社団法人応用物理学会の論文
• 1993-10-15

著者

• Fujiyasu Hiroshi

  Faculty Of Engineering Shizuoka University

• Fujiyasu Hiroshi

  Department Of Electronics Faculty Of Engineering Shizuoka University

• Oka Y

  Kyoto Univ. Kyoto‐shi

• Oka Yasuo

  Research Institute for Scientific Measurements, Tohoku University

• Oka Y

  Tohoku Univ. Sendai Jpn

• Oka Yasuo

  Research Institute For Scientific Measurements Tohoku University

• Souma Izuru

  Research Institute For Scientific Measurements Tohoku Universtiy

• Jen J

  Tohoku Univ. Sendai

• JEN Jen

  Research Institute for Scientific Measurements, Tohoku Universtiy

• TSUTSUMI Takeharu

  Research Institute for Scientific Measurements, Tohoku Universtiy

• Tsutsumi T

  Waseda Univ. Tokyo

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