Effects of excitation-induced optical absorption in highly excited semiconductors

  • Takashi Kushida
  • Tetsuo Moriya
Stimulated Photoluminescence
Part of the Lecture Notes in Physics book series (LNP, volume 57)


The red shift of stimulated emission bands of various semiconductors with increasing pumping intensity or length of the excited region of the crystal is explained by the wavelength-dependent gain saturation due to relative increase in optical absorption. Several effects of excitation-induced negative gain are also discussed.


Spontaneous Emission Excitation Intensity Gain Spectrum Exciton Energy Gain Saturation 
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Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • Takashi Kushida
    • 1
  • Tetsuo Moriya
    • 2
  1. 1.The Institute for Solid State PhysicsThe University of TokyoMinato-ku TokyoJapan
  2. 2.Electrotechnical LaboratoryTanashi BranchTanashi, TokyoJapan

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