Self-Pulsation Dynamics in Narrow Stripe Semiconductor Lasers
Landais, P.; Lynch, S.A.; Oapos;Gorman, J.; Fischer, I.; Elsaer, W.
Quantum Electronics, IEEE Journal of
Volume 42, Issue 4, April 2006 Page(s): 381 - 388
Digital Object Identifier 10.1109/JQE.2006.872309
Summary: In this paper, we address the physical origin of self-pulsation in narrow stripe edge emitting semiconductor lasers. We present both experimental time-averaged polarization-resolved near-field measurements performed with a charged-coupled device camera and picosecond time resolved near-field measurements performed with a streak camera. These results demonstrate dynamic spatial-hole burning during pulse formation and evolution. We conclude from these experimental results that the dominant process which drives the self-pulsation in this type of laser diode is carrier induced effective refractive index change induced by the spatial-hole burning.
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