Microscopic analysis of charge and spin photocurrents injected by circularly polarized one-color laser pulses in GaAs quantum wells

H.T. Duc, J. Förstner, T. Meier, Physical Review B 82 (2010) 115316–1.

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Journal Article | Published | English
Abstract
The dynamics of charge and spin injection currents excited by circularly polarized, one-color laser beams in semiconductor quantum wells is analyzed. Our microscopic approach is based on a 14x14 k · p band-structure theory in combination with multisubband semiconductor Bloch equations which allows a detailed analysis of the photogenerated carrier distributions and coherences in k space. Charge and spin injection currents are numerically calculated for [110]- and [001]-grown GaAs quantum wells including dc population contributions and ac contributions that arise from intersubband coherences. The dependencies of the injection currents on the excitation conditions, in particular, the photon energy are computed and discussed.
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Publishing Year
Journal Title
Physical Review B
Volume
82
Issue
11
Page
115316-1
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Duc HT, Förstner J, Meier T. Microscopic analysis of charge and spin photocurrents injected by circularly polarized one-color laser pulses in GaAs quantum wells. Physical Review B. 2010;82(11):115316-1. doi:10.1103/physrevb.82.115316
Duc, H. T., Förstner, J., & Meier, T. (2010). Microscopic analysis of charge and spin photocurrents injected by circularly polarized one-color laser pulses in GaAs quantum wells. Physical Review B, 82(11), 115316–1. https://doi.org/10.1103/physrevb.82.115316
@article{Duc_Förstner_Meier_2010, title={Microscopic analysis of charge and spin photocurrents injected by circularly polarized one-color laser pulses in GaAs quantum wells}, volume={82}, DOI={10.1103/physrevb.82.115316}, number={11}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Duc, Huynh Thanh and Förstner, Jens and Meier, Torsten}, year={2010}, pages={115316–1} }
Duc, Huynh Thanh, Jens Förstner, and Torsten Meier. “Microscopic Analysis of Charge and Spin Photocurrents Injected by Circularly Polarized One-Color Laser Pulses in GaAs Quantum Wells.” Physical Review B 82, no. 11 (2010): 115316–1. https://doi.org/10.1103/physrevb.82.115316.
H. T. Duc, J. Förstner, and T. Meier, “Microscopic analysis of charge and spin photocurrents injected by circularly polarized one-color laser pulses in GaAs quantum wells,” Physical Review B, vol. 82, no. 11, pp. 115316–1, 2010.
Duc, Huynh Thanh, et al. “Microscopic Analysis of Charge and Spin Photocurrents Injected by Circularly Polarized One-Color Laser Pulses in GaAs Quantum Wells.” Physical Review B, vol. 82, no. 11, American Physical Society (APS), 2010, pp. 115316–1, doi:10.1103/physrevb.82.115316.
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