Femtosecond soliton propagation in an optical fiber

An accurate wave equation beyond the slowly varying envelope approximation for femtosecond soliton propagation in an optical fiber is derived by the iterative method. The derived equation contains higher nonlinear terms than the generalized nonlinear Schrödinger equation obtained previously. For a s...

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Bibliographic Details
Published inOptik (Stuttgart) Vol. 113; no. 6; pp. 267 - 271
Main Authors Chen, Chi-Feng, Chi, Sien, Luo, Boren
Format Journal Article
LanguageEnglish
Published Jena Elsevier GmbH 2002
Elsevier
Subjects
Applied sciences
Circuit properties
Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Femtosecond soliton slowly varying envelope approximation
Fundamental areas of phenomenology (including applications)
Integrated optics. Optical fibers and wave guides
Nonlinear optics
nonlinear Schrödinger equation
Optical and optoelectronic circuits
Optics
Physics
Femtosecond soliton slowly varying envelope approximation
nonlinear Schrödinger equation
Slowly varying envelope approximation
Single mode fiber
Non linear optics
Theoretical study
Iterative method
Silica
Schrödinger equation
Optical soliton
Non linear equation
Pulse propagation
fs range
Numerical simulation
Maxwell equation
Optical fiber
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Summary:An accurate wave equation beyond the slowly varying envelope approximation for femtosecond soliton propagation in an optical fiber is derived by the iterative method. The derived equation contains higher nonlinear terms than the generalized nonlinear Schrödinger equation obtained previously. For a silica-based weakly guiding single mode fiber, it is found that those more higher-order nonlinear terms, whose coefficients are proportional to the second-order dispersion parameter, are much smaller than the shock term. The 2.5-fs fundamental solitons is numerically simulated by using the generalized nonlinear Schrödinger equation and the full Maxwell's equations. Comparing these two results, we have found that the generalized nonlinear Schrödinger equation well describes the propagation of the pulse even containing a single optical cycle
ISSN:0030-4026
1618-1336
DOI:10.1078/0030-4026-00159