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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 13, Iss. 6 — Jun. 1, 1996
  • pp: 1278–1283

Quantum kinetics of femtosecond four-wave mixing in semiconductors

L. Bányai, E. Reitsamer, D. B. Tran Thoai, and H. Haug  »View Author Affiliations


JOSA B, Vol. 13, Issue 6, pp. 1278-1283 (1996)
http://dx.doi.org/10.1364/JOSAB.13.001278


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Abstract

We calculate the transient degenerate four-wave mixing signal with ultrashort laser pulses within the self-consistent formulation of the quantum kinetics of electrons and holes in a semiconductor interacting with longitudinal-optical (LO) phonons. Our numerical calculation shows that the integrated four-wave mixing signal as a function of the delay time shows an effective exponential decay, which, however, is modulated by an oscillation with a characteristic energy given by ωLO[1 + (me/mh)]. This peculiar quantum beat is caused by the interference of the interband polarization components, which are connected through a LO-phonon transition in the conduction band.

© 1996 Optical Society of America

Citation
L. Bányai, E. Reitsamer, D. B. Tran Thoai, and H. Haug, "Quantum kinetics of femtosecond four-wave mixing in semiconductors," J. Opt. Soc. Am. B 13, 1278-1283 (1996)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-13-6-1278

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