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Conversion of high-power 15-fs visible pulses to the mid infrared

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1364/OL.26.000099
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Affiliation
  1. National Research Council of Canada
  2. National Research Council of Canada. NRC Steacie Institute for Molecular Sciences
FormatText, Article
Subjectharmonic generation and mixing; nonlinear optics; ultrafast lasers; ultrafast nonlinear optics; ultrafast optics
Abstract
We measure the efficiency of converting high-power 15-fs 0.8-μm pulses to the mid infrared in GaAs and GaSe as well as the pulse duration and the spectrum of the infrared radiation that is produced. Free-carrier production limits the conversion efficiency in GaAs to approximately 5×10-7 , allowing us to produce 2.5-pJ, 30-fs pulses spanning the spectral range from 6 to 14 μm . In GaSe we obtain, in a moderately saturated regime, a conversion efficiency of 7.5×10-5 , limited by two-photon absorption, allowing us to produce pulses of 100-fs duration containing 10 nJ of energy.
Publication date
In
  • Optics Letters 26, no. 2 (15 January 2001): 99–101.
LanguageEnglish
Peer reviewedYes
NPARC number12328319
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Record identifier2b9bb993-8240-4c97-8903-7ace0bb7911e
Record created2009-09-10
Record modified2020-03-27
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