14 September 2006 Nonlinear transmission of the doped single-mode fibers and impact of the gain saturation on steady states of bright optical pulses
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Abstract
Steady ultrashort bright optical pulses, which are originating in single-mode erbium-doped fibers operating within a nonlinear transmission, are analytically investigated. This type of steady-state bright optical pulses can be grown in real time scale due to incoherent resculpturing of external optical pulses by the doped fiber in the traveling-wave regime of propagation. The performed analysis is related to the regimes without and with the gain saturation in a doped fiber and demonstrates that single-mode optical fibers can form and support steady-state bright pulses with various shapes of their envelopes in these regimes. Basically, these bright optical pulses have a smooth hyperbolic-secant shape, however in particular cases, both a two-side exponential and a two-side hyperbolic shapes can be also supported by the erbium-doped fibers within a nonlinear transmission.
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Alexandre S. Shcherbakov, E. Tepichin Rodriguez, M. Sanchez Sanchez, "Nonlinear transmission of the doped single-mode fibers and impact of the gain saturation on steady states of bright optical pulses", Proc. SPIE 6330, Nonlinear Optical Transmission and Multiphoton Processes in Organics IV, 63300J (14 September 2006); doi: 10.1117/12.680792; https://doi.org/10.1117/12.680792
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