Abstract
High bit-rate (>10 Gb/s) signals are composed of very short pulses and propagation of such pulses through a semiconductor optical amplifier (SOA) requires consideration of intraband phenomena. Due to the intraband effects, the propagating pulse sees a fast recovering nonlinear gain which introduces less distortion in the pulse shape and spectrum of the output pulse but introduces a positive chirping at the trailing edge of the pulse.
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Hussain, K., Varshney, S.K. & Datta, P.K. Intraband effects on ultrafast pulse propagation in semiconductor optical amplifier. Pramana - J Phys 75, 1011–1016 (2010). https://doi.org/10.1007/s12043-010-0156-y
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DOI: https://doi.org/10.1007/s12043-010-0156-y