TITLE

Above- and below-band femtosecond nonlinearities in active AlGaAs waveguides

AUTHOR(S)
Hultgren, C.T.; Dougherty, D.J.
PUB. DATE
December 1992
SOURCE
Applied Physics Letters;12/7/1992, Vol. 61 Issue 23, p2767
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Investigates the nonlinearities of femtosecond optical pulses in active aluminum gallium arsenide waveguides. Measurement of wavelengths below and above the band gap; Exhibition of above-band gain dynamics; Importance of carrier heating through free-carrier absorption; Observation of an ultrafast transient in AlGaAs devices.
ACCESSION #
4227399

 

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