Amplification, absorption, and lossless propagation of femtosecond pulses in semiconductor amplifiers

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28 Scopus citations

Abstract

Light propagation in semiconductor amplifiers is investigated numerically for femtosecond pulses whose frequency spectra are fully inside the gain region. Whereas amplification is observed for low-intensity pulses, lossless propagation and even pulse absorption are found for large input intensities. These novel features arise from the competition between amplifying and absorbing states in the semiconductor continuum.

Original languageEnglish (US)
Pages (from-to)1538-1540
Number of pages3
JournalOptics letters
Volume18
Issue number18
DOIs
StatePublished - Sep 15 1993

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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