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Initial stage of the active mode-locking in semiconductor heterolasers

AuthorsShcherbakov, Alexandre S.; Kosarsky, Alexey Yu; Campos Acosta, Joaquín ; Moreno Zarate, Pedro; Mansurova, Svetlana
KeywordsActive mode–loking
semiconductor heterolaser
diffusion instability
detection system
train-average time parameters
Issue Date2009
PublisherThe International Society for Optics and Photonics
CitationProceedings of Spie
AbstractWe make an attempt to develop a novel approach to describing the initial stage of the active mode-locking in semiconductor laser structures based on analyzing the properties of dispersion relations in terms of stability for small initial perturbations. Nonlinear process of shaping optical pulses is interpreted as manifesting instability of diffusion type. For the purposes of experimental investigations, the auto-manual opto-electronic measuring system detecting average time parameters inherent in ultra-short optical pulse trains has been designed. This system is able to register auto-correlation functions of the second order exploiting the interferometric technique as well as to identify a pulsed character of the incoming light radiation. Experimental confirmations of appearing the diffusive instability within the active mode-locking process in semiconductor laser structures operating in the near infrared range are presented.
Publisher version (URL)http://dx.doi.org/10.1117/12.839296
Appears in Collections:(IFA) Artículos
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