Monte-Carlo Simulation of Femtosecond Carrier Relaxation in Semiconductor Quantum Wells

  • Stephen M. Goodnick
Part of the NATO ASI Series book series (NSSB, volume 206)


Ultra-fast optical studies in bulk semiconductors and quantum well systems have provided a great deal of insight into the dynamics of nonequilibrium phenomena on the picosecond and subpicosecond time scale. Typically such experiments are variants of the pump and probe type in which a short pump pulse is used to generate a nonequilibrium electron-hole plasma in the solid, and time delayed probe pulses are used to characterize the decay back to equilibrium. Quantum well systems in particular have proved quite interesting due to the high quality of samples grown using epitaxial growth techniques and the effects of carrier confinement which enhance certain optical phenomena such as excitonic absorption (Chemla et al., 1988). Quantum well systems have now been extensively studied using time resolved photoluminescence, Raman, and absorption spectroscopy which have increased our understanding of the effects of nonequilibrium phonons, intercarrier scattering, intersubband scattering, and tunnelling phenomena in quasi-two-dimensional systems (see for example the review by Shah, 1986).


Energy Loss Rate Polar Optical Phonon Scattering Rate Lower Subband Nonequilibrium Phonon 
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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • Stephen M. Goodnick
    • 1
  1. 1.Center for Advanced Materials ResearchOregon State UniversityCorvallisUSA

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