Abstract
Reduction of Nonlinear Optical Self Phase Modulation in Optical Fiber at 40 Gb/s
Highlights
Experimental performance evaluation of self phase modulation (SPM) compensation and its application in optical transport network was introduced by (Yamazaki et al, 2010)
The results revealed that minimum crosstalk was induced in backward pumped distributed Raman amplifier (DRA) among the three pumping schemes i.e forward, backward and bi-directional
That implicitly means a real reduction in SPM value, while the transfer function magnitude is embedded in which the transimpedance amplifier (TIA) gain rise in an opposite direction of the reduced nonlinear noise figure (NF)
Summary
Experimental performance evaluation of SPM compensation and its application in optical transport network was introduced by (Yamazaki et al, 2010). A double cell, self-phase modulation based optical regenerator was designed and optimized to reduce signal noise and distortion. A multilevel coded modulation system in the presence of nonlinear phase noise for fiber optical communication was introduced. The effect of dispersion slope of highly nonlinear fiber on the performance of self-phase modulation based 2R-optical regenerator was investigated numerically. Self Phase Modulation in Optical Domain For pulse evolution in an optical fiber, the nonlinear Schrodinger (NLS) equation governs that as follows (Agrawal, 2001): is the pulse optical field within the fiber, z is distance that the pulse moves in fiber, T is pulse periodic time, is the dispersion coefficient and is the attenuation coefficient.
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