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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper WEE1

Interlayer transport of photoexcited electrons in type II gallium-arsenide/aluminum-arsenide multiquantum well structures

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Abstract

Optical pump-probe experiments on bulk GaAs and conventional type I GaAs/GaAlAs multiquantum well structures (MQWSs) have determined the time scales on which photoexcited carriers (1) attain thermal equilibrium among themselves, (2) scatter out of the zone-center Γ valley to accessible X or L valleys, (3) relax their excess energy to the lattice, and (4) recombine.1-3

© 1989 Optical Society of America

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