Abstract
The amplification of super-Gaussian pulses in a system of bit rate 40 Gb/s with duty cycle 0.5 by traveling-wave semiconductor optical amplifier (TW-SOA) is investigated. The carrier wavelength of the super-Gaussian pulse is 1550 nm. Simulative results related to pulse broadening due to nonlinear self-phase modulation (SPM) phenomenon are analyzed and compared. This paper analyses the issues of super-Gaussian pulse and spectrum distortion in semiconductor optical amplifiers (SOA). It is shown that the amplified super-Gaussian pulse shapes and their spectra are depended on the length of SOA and compared the results with the published work.
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