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Proceedings Paper

Femtosecond Pulse Propagation In Optical Fibers: Distortion And Nonlinear Chirping
Author(s): E Bourkoff; W Zhao
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Paper Abstract

Using computer simulations, we examine various factors affecting the propagation of femtosecond pulses in single-mode optical fibers in the wavelength range of normal dispersion. In particular, we show that distortion and nonlinear chirping of the pulse can arise from such con-siderations as initial pulse asymmetry, higher-order dispersion and nonlinearity effects in the fiber, and higher-order dispersion from optical components such as grating-pair compressors. The effect of initial pulse chirp is also examined. In addition, we investigate intensity-dependent spectra of these propagating pulses. Our results indicate that the addition of both the cubic-dispersion term and the so-called shock term in the nonlinear Schro-dinger equation generate intensity-dependent pulse spectra that compare well with experiments. We also show that asymmetry in the input pulse can be a contributing factor responsible for asymmetric spectra. Finally, we show how the use of additional optical components can be utilized to compensate for cubic phase distortion pulse, leading to a fuller utilization of the pulse bandwith and state-of-the-art pulse durations.

Paper Details

Date Published: 2 June 1988
PDF: 7 pages
Proc. SPIE 0864, Advanced Optoelectronic Technology, (2 June 1988); doi: 10.1117/12.943535
Show Author Affiliations
E Bourkoff, The Johns Hopkins University (United States)
W Zhao, The Johns Hopkins University (United States)

Published in SPIE Proceedings Vol. 0864:
Advanced Optoelectronic Technology
Daniel B. Ostrowsky; Claude P. Puech, Editor(s)

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