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  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1992),
  • paper PD6

Optical Measurements of Warped Valence Bands in Quantum Wells

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Abstract

The structure of the conduction subbands in quantum wells is relatively simple. For the valence subbands, however, the structure is more complex due to the combined effects of the spin-orbit interaction and the symmetry breaking of the quantum well potential. Experimentally, a number of .recent magnetotransport measurements in double barrier tunneling structures1,2 have demonstrated the ability to qualitatively show the dispersion of subbands in quantum wells. However, there has not yet been an experiment that is sufficiently quantitative to allow direct comparison with kp calculations.

© 1992 Optical Society of America

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