The optical absorption of intense THz radiation in a two-band semiconductor is calculated. For this end the two-time interband susceptibility is expressed in terms of nonequilibrium Green functions. A number of special cases are calculated explicitly. The approach is generalized to include excitonic effects. Finally the theoretical predictions are compared to measured spectra.
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© 2008 Springer-Verlag Berlin Heidelberg
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(2008). Optical Absorption in Intense THz Fields. In: Quantum Kinetics in Transport and Optics of Semiconductors. Solid-State Sciences, vol 123. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-73564-9_11
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DOI: https://doi.org/10.1007/978-3-540-73564-9_11
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-73561-8
Online ISBN: 978-3-540-73564-9
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