Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 25, Issue 10, Pages 1645-1654Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.25.001645
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Funding
- UK Engineering and Physical Sciences Research Council (EPSRC)
- EPSRC [EP/E056369/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E056369/1] Funding Source: researchfish
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The guided, single-mode propagation of ultrashort optical pulses is commonly described by a well studied and understood generalized nonlinear Schrodinger equation. Here we present and discuss an extended version for multimode optical fibers and waveguides including polarization effects, high-order dispersion, Kerr and Raman nonlinearities, self-steepening effects, as well as wavelength-dependent mode coupling and nonlinear coefficients. We then investigate the symmetry properties of the nonlinear coupling coefficients for the cases of step-index and circularly symmetric conventional fibers and for microstructured fibers with hexagonal symmetry. Finally, we study the computational complexity of the proposed algorithm. 0 2008 Optical Society of America
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