Theory of coherent phenomena in pump-probe excitation of semiconductor amplifiers

A. Girndt, A. Knorr, M. Hofmann, Stephan W Koch

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

A theoretical analysis of ultra-fast pump probe experiments on semiconductor optical amplifiers are presented. The influence of the probe pulse on the semiconductor is stressed in this investigation. Strong coherent 'structures' are observed for small delay times τ and the need of interferometric precision is demonstrated in the experiments. Although the effects of free carrier absorption (FCA) and two photon absorption (TPA) are not included, a significant carrier heating is found through nonresonant absorption of strong pulses on the basis of the semiconductor-Bloch equations.

Original languageEnglish (US)
Pages (from-to)2946-2954
Number of pages9
JournalJournal of Applied Physics
Volume78
Issue number5
DOIs
StatePublished - Sep 1 1995
Externally publishedYes

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amplifiers
pumps
probes
excitation
pulses
light amplifiers
time lag
heating
photons

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physics and Astronomy (miscellaneous)

Cite this

Theory of coherent phenomena in pump-probe excitation of semiconductor amplifiers. / Girndt, A.; Knorr, A.; Hofmann, M.; Koch, Stephan W.

In: Journal of Applied Physics, Vol. 78, No. 5, 01.09.1995, p. 2946-2954.

Research output: Contribution to journalArticle

Girndt, A. ; Knorr, A. ; Hofmann, M. ; Koch, Stephan W. / Theory of coherent phenomena in pump-probe excitation of semiconductor amplifiers. In: Journal of Applied Physics. 1995 ; Vol. 78, No. 5. pp. 2946-2954.
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