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Proceedings Paper

Time-domain calculations of shift currents in bulk GaAs
Author(s): Reinold Podzimski; Huynh Thanh Duc; Torsten Meier
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Paper Abstract

Shift currents in bulk GaAs are computed and analyzed using a microscopic model. Our approach combines k.p band structure calculations with the multisubband Bloch equations and provides a transparent description of the generation and the dynamics of optical material excitations. The description of shift currents requires to include o-resonant excitations into the analysis. Besides sketching our theoretical approach, numerical results on the shift current dynamics are presented and discussed.

Paper Details

Date Published: 14 March 2015
PDF: 9 pages
Proc. SPIE 9361, Ultrafast Phenomena and Nanophotonics XIX, 93611U (14 March 2015); doi: 10.1117/12.2078123
Show Author Affiliations
Reinold Podzimski, Univ. Paderborn (Germany)
Huynh Thanh Duc, Vietnam Academy of Science and Technology (Viet Nam)
Torsten Meier, Univ. Paderborn (Germany)


Published in SPIE Proceedings Vol. 9361:
Ultrafast Phenomena and Nanophotonics XIX
Markus Betz; Abdulhakem Y. Elezzabi; Kong-Thon Tsen, Editor(s)

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