Quasienergy Spectroscopy of Excitons

Kristinn Johnsen; Antti-Pekka Jauho

doi:10.1103/PhysRevLett.83.1207

Quasienergy Spectroscopy of Excitons

Kristinn Johnsen, Antti-Pekka Jauho

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Abstract

We theoretically study nonlinear optics of excitons under intense THz irradiation. In particular, the linear near-infrared absorption and resonantly enhanced nonlinear sideband generation are described. We predict a rich structure in the spectra which an be interpreted in terms of the quasienergy spectrum of the exciton, via a remarkably transparent expression for the susceptibility, and show that the effects of strongly avoided quasienergy crossings manifest themselves directly, both in the absorption and transmitted sidebands.

Original language	English
Journal	Physical Review Letters
Volume	83
Issue number	6
Pages (from-to)	1207-1210
ISSN	0031-9007
DOIs	https://doi.org/10.1103/PhysRevLett.83.1207
Publication status	Published - 1999

Bibliographical note

Copyright (1999) by the American Physical Society.

Keywords

FIELD
GENERATION
BAND
ABSORPTION
RADIATION

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title = "Quasienergy Spectroscopy of Excitons",

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Y1 - 1999

N2 - We theoretically study nonlinear optics of excitons under intense THz irradiation. In particular, the linear near-infrared absorption and resonantly enhanced nonlinear sideband generation are described. We predict a rich structure in the spectra which an be interpreted in terms of the quasienergy spectrum of the exciton, via a remarkably transparent expression for the susceptibility, and show that the effects of strongly avoided quasienergy crossings manifest themselves directly, both in the absorption and transmitted sidebands.

AB - We theoretically study nonlinear optics of excitons under intense THz irradiation. In particular, the linear near-infrared absorption and resonantly enhanced nonlinear sideband generation are described. We predict a rich structure in the spectra which an be interpreted in terms of the quasienergy spectrum of the exciton, via a remarkably transparent expression for the susceptibility, and show that the effects of strongly avoided quasienergy crossings manifest themselves directly, both in the absorption and transmitted sidebands.

KW - FIELD

KW - GENERATION

KW - BAND

KW - ABSORPTION

KW - RADIATION

U2 - 10.1103/PhysRevLett.83.1207

DO - 10.1103/PhysRevLett.83.1207

M3 - Journal article

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Quasienergy Spectroscopy of Excitons

Abstract

Bibliographical note

Keywords

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