Nonlinear propagation of various shape ultrashort pulses in a linearly birefringent single mode optical fiber: numerical analysis

Cezary Kaczmarek

doi:10.1117/12.714610

12 October 2006 Nonlinear propagation of various shape ultrashort pulses in a linearly birefringent single mode optical fiber: numerical analysis

Cezary Kaczmarek

Author Affiliations +

Proceedings Volume 6347, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006; 63470Y (2006) https://doi.org/10.1117/12.714610
Event: Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006, 2006, Wilga, Poland

Abstract

The results of numerical calculations of propagation of ultrashort hyperbolic secant, Gaussian and super Gaussian pusles in a linearly birefringent single mode fiber with input the polarization angle θ=15° and θ=30° are presented. From the performed calculations it follows, that the threshold amplitude of the initial pulse A_th, after exceeding of which the soliton trapping effect occurs, depends on the shape of the initial pulse and is lowest for the hyperbolic secant pulse and highest for the super Gaussian pulse in the entire range of the birefringence parameter 0.1 < δ < 1.0, with the notion that values of A_th are slightly lower when the polarization angle θ=15°. The calculation results also indicate, that the threshold value of the birefringence parameter δ_th, which designates the qualitatively different regions of soliton trapping, is dependent on the shape of the initial pulse as well. The highest value of δ_th was evaluated for the hyperbolic secant pulse, the lowest - for the super Gaussian pulse. The values of δ_th are very similar for input polarization angles θ=15° and θ=30° for each pulse.

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Cezary Kaczmarek "Nonlinear propagation of various shape ultrashort pulses in a linearly birefringent single mode optical fiber: numerical analysis", Proc. SPIE 6347, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2006, 63470Y (12 October 2006); https://doi.org/10.1117/12.714610

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KEYWORDS

Polarization

Birefringence

Solitons

Seaborgium

Optical fibers

Nonlinear optics

Gaussian pulse

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