Spin splitting and interband photogalvanic effect in quantum wells

L. E. Golub

doi:10.1117/12.514464

11 June 2003 Spin splitting and interband photogalvanic effect in quantum wells

L. E. Golub

Proceedings Volume 5023, 10th International Symposium on Nanostructures: Physics and Technology; (2003) https://doi.org/10.1117/12.514464
Event: 2003 Chapter books, 2003, Bellingham, WA, United States

Abstract

Circular photogalvanic effect under interband absorption in quantum wells is considered. The photocurrent is calculated as a function of light frequency for direct transitions between ground electron and hole size-quantized subbands. It is shown that the current spectrum near the absorption edge depends dramatically on the form of spin-orbit interaction: it is a linear function of photon energy in the case of structure inversion asymmetry induced spin-splitting, and it has a parabolic dependence when bulk inversion asymmetry dominates. At higher energies, the existence of a peak in the photocurrent spectrum is predicted.

Citation Download Citation

L. E. Golub "Spin splitting and interband photogalvanic effect in quantum wells", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003); https://doi.org/10.1117/12.514464

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