Microscopic analysis of high-harmonic generation in semiconductor nanostructures

Daniel Golde; Torsten Meier; Stephan W. Koch

doi:10.1002/pssc.200880309

Microscopic analysis of high-harmonic generation in semiconductor nanostructures

Daniel Golde, Torsten Meier, Stephan W. Koch

Optical Sciences, College of

Research output: Contribution to journal › Conference article › peer-review

9 Scopus citations

Abstract

A microscopic analysis of the emitted radiation of a semiconductor nanostructure after excitation with an extremely intense ultrashort laser pulse is presented. It is shown that the extreme nonlinear optical response is not sufficiently described by pure interband transitions but one has to include intraband effects as well. Numerical solutions of extended Bloch equations that include the coupled inter- and intraband dynamics are presented. For large excitation intensities, the intraband effects strongly modify the polarization dynamics and lead to a strong enhancement of high-harmonic generation compared to pure interband dynamics.

Original language	English (US)
Pages (from-to)	420-423
Number of pages	4
Journal	Physica Status Solidi (C) Current Topics in Solid State Physics
Volume	6
Issue number	2
DOIs	https://doi.org/10.1002/pssc.200880309
State	Published - Dec 1 2009
Event	9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors, NOEKS 9 - Klink/Muritz, Germany Duration: May 26 2008 → May 29 2008

ASJC Scopus subject areas

Condensed Matter Physics

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abstract = "A microscopic analysis of the emitted radiation of a semiconductor nanostructure after excitation with an extremely intense ultrashort laser pulse is presented. It is shown that the extreme nonlinear optical response is not sufficiently described by pure interband transitions but one has to include intraband effects as well. Numerical solutions of extended Bloch equations that include the coupled inter- and intraband dynamics are presented. For large excitation intensities, the intraband effects strongly modify the polarization dynamics and lead to a strong enhancement of high-harmonic generation compared to pure interband dynamics.",

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AU - Meier, Torsten

AU - Koch, Stephan W.

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N2 - A microscopic analysis of the emitted radiation of a semiconductor nanostructure after excitation with an extremely intense ultrashort laser pulse is presented. It is shown that the extreme nonlinear optical response is not sufficiently described by pure interband transitions but one has to include intraband effects as well. Numerical solutions of extended Bloch equations that include the coupled inter- and intraband dynamics are presented. For large excitation intensities, the intraband effects strongly modify the polarization dynamics and lead to a strong enhancement of high-harmonic generation compared to pure interband dynamics.

AB - A microscopic analysis of the emitted radiation of a semiconductor nanostructure after excitation with an extremely intense ultrashort laser pulse is presented. It is shown that the extreme nonlinear optical response is not sufficiently described by pure interband transitions but one has to include intraband effects as well. Numerical solutions of extended Bloch equations that include the coupled inter- and intraband dynamics are presented. For large excitation intensities, the intraband effects strongly modify the polarization dynamics and lead to a strong enhancement of high-harmonic generation compared to pure interband dynamics.

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DO - 10.1002/pssc.200880309

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EP - 423

JO - Physica Status Solidi C: Conferences

JF - Physica Status Solidi C: Conferences

SN - 1862-6351

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T2 - 9th International Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors, NOEKS 9

Y2 - 26 May 2008 through 29 May 2008

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Microscopic analysis of high-harmonic generation in semiconductor nanostructures

Abstract

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