Abstract
In this paper,we study theoretically and experimentally the compression of chirped optical pulses in dispersion-compensation fiber and dispersion-shifted fiber utilizing single mode rate equation of semiconductor laser and nonlinear Schrdinger (NLS) equation.In experiment,the 53.8ps pulses generated by a gain-switched DFB semiconductor laser diode with 2.5GHz repetition rate were compressed to 12ps in a length of dispersion-compensation fiber.Then,the 12ps pulses were compressed to 2.5 or 2.1ps due to high-order soliton effect in dispersion-shifted fiber.Experimental results agree with theoretical results.
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