Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering
We show that, as a consequence of the strong mixing of the valence subbands, the evaluation of the oscillator strengths associated with the interband magneto-optical transitions is a prerequisite to the interpretation of magneto-optical data obtained in quantum-well structures. We illustrate this by examining the case of a GaSb/AlSb strained-layer superlattice in which the ground valence state is the first light-hole level. We show that in this sample, most of the observable heavy-hole-related transitions involve the second heavy-hole level, i.e. they correspond to a transition which is forbidden at zero magnetic field. © 1987.
Michael Ray, Yves C. Martin
Proceedings of SPIE - The International Society for Optical Engineering
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Surface Science
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Macromolecules