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Conferences > QELS > 1991 > QFA > QFA2
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1991),
  • paper QFA2

Coupled-well superlattices: transition crossing and femtosecond dynamics

G. Khitrova, B. Fluegel, K. Meissner, R. Pon, H. M. Gibbs, S. W. Koch, I. Galbraith, and N. Peyghambarian

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Abstract

We have grown a series of multiple coupled quantum wells with a thin center barrier as a variable parameter [see Fig. 1(a)]. Rather than the usual1 Al0.3Ga0.7As center barrier, we follow the recent suggestion2 of using AlAs, Both electron and hole (heavy and light) states are split by the coupling through a penetrable barrier into lower-energy symmetric and higher-energy anti-symmetric states [see Fig. 1(b)].

© 1991 Optical Society of America

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