It is shown that the linewidth-enhancement α-factor in a semiconductor optical amplifier has a significant temporal dependence. A time window with a small or even a negative α-factor is observed in experiments and in calculations.
© 2006 Optical Society of America
(190.0190) Nonlinear optics : Nonlinear optics
(190.7110) Nonlinear optics : Ultrafast nonlinear optics
(250.0250) Optoelectronics : Optoelectronics
(250.5980) Optoelectronics : Semiconductor optical amplifiers
J. Wang, C. G. Poulton, A. Maitra, S. Cabot, J. Jaques, W. Freude, and J. Leuthold, " Dynamics of Linewidth-Enhancement Factor in Semiconductor Optical Amplifiers," in Optical Amplifiers and Their Applications/Coherent Optical Technologies and Applications, OSA Technical Digest Series(CD) (Optical Society of America, 2006), paper OTuC3.
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