Transient Optical Nonlinearities in Multiple Quantum Well Structures

  • A. Miller
  • R. J. Manning
  • P. K. Milsom
Part of the NATO ASI Series book series (NSSB, volume 194)


The temporal responses of two types of excitonic optical non-linearity in multiple quantum well structures are discussed. Picosecond transient grating measurements provide coefficients of nonlinear refraction associated with exciton saturation in room temperature GaAs/AlGaAs structures as well as information on carrier heating and carrier transport, both intra-well and cross-well. The wavelength shift of the exciton feature when carriers are optically generated in an electrically biased GaAs/AlGaAs multiple quantum well structure has allowed an assessment of the nature of the cross-well photocurrent using the picosecond excite-probe method.4


Diffraction Efficiency Refractive Index Change Multiple Quantum Optical Bistability Multiple Quantum Well 
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Copyright information

© Plenum Press, New York 1989

Authors and Affiliations

  • A. Miller
    • 1
    • 2
  • R. J. Manning
    • 1
  • P. K. Milsom
    • 1
  1. 1.Royal Signals and Radar EstablishmentGreat Malvern, WorcsUK
  2. 2.CREOL, University of Central FloridaOrlandoUSA

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