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Generation of new frequencies by pulse splitting

 
: Demircan, A.; Kroh, M.; Hüttl, B.; Bandelow, U.

Verband der Elektrotechnik, Elektronik, Informationstechnik -VDE-; IEEE Lasers and Electro-Optics Society; Informationstechnische Gesellschaft -ITG-; Institution of Engineering and Technology -IET-:
ECOC 2007, 33rd European Conference and Exhibition on Optical Communication. CD-ROM : September 16 - 20, 2007, Berlin, Germany
Berlin: VDE Verlag, 2007
ISBN: 3-8007-3042-1
ISBN: 978-3-8007-3042-1
2 S.
European Conference on Optical Communication (ECOC) <33, 2007, Berlin>
Englisch
Konferenzbeitrag
Fraunhofer HHI ()
Lichtimpuls; Strahlenteilung; Schwingungsfrequenz; Dispersion (Strahlung); Wellenlänge; Störung; optische Faser

Abstract
We present a pulse splitting mechanism by third-order dispersion in the normal dispersion regime, which leads to the excitation of new frequency components on the red side of the pulse spectrum. We have demonstrated that the pulse-breakup in the normal dispersion regime induced by third-order dispersion generates new wavelengths on the redside of the pump wavelength. This red-shift does not need explanations like the impact of higher-nonlinearities as Raman scattering or self-steepening, but follows from inherent properties of the NLSE with TOD as a perturbation. This represents a mechanism how even small values of higher-order dispersion can strongly affect the propagation dynamics in an optical fiber.
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: http://publica.fraunhofer.de/dokumente/N-64844.html