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Spectral broadening of incoherent nanosecond pulses in a fiber amplifier |
JOSA B, Vol. 29, Issue 6, pp. 1231-1236 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001231
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Abstract
Amplification of incoherent light pulses in a relatively short active fiber is
treated. Spectral broadening due to the self-phase modulation effect at
negligibly small dispersion has been studied theoretically. The expression for
the shape of the output spectrum has been obtained for input pulses of arbitrary
temporal and spectral shape at various gain coefficients. The expression is
found to be simplified in case of a hyperbolic secant temporal shape. The
calculated shapes have been compared with the experimentally measured spectra
for
© 2012 Optical Society of America
OCIS Codes
(140.3540) Lasers and laser optics : Lasers, Q-switched
(190.3270) Nonlinear optics : Kerr effect
(190.4370) Nonlinear optics : Nonlinear optics, fibers
(140.3538) Lasers and laser optics : Lasers, pulsed
ToC Category:
Lasers and Laser Optics
History
Original Manuscript: December 20, 2011
Revised Manuscript: February 7, 2012
Manuscript Accepted: February 8, 2012
Published: May 9, 2012
Citation
Alexey G. Kuznetsov, Evgeniy V. Podivilov, and Sergey A. Babin, "Spectral broadening of incoherent nanosecond pulses in a fiber amplifier," J. Opt. Soc. Am. B 29, 1231-1236 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-6-1231
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