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Spatial decorrelation in broad-area edge-emitting semiconductor amplifiers

AutorBarland, Stéphane; Hachair, X.; Giudici, Massimo; Balle, Salvador ; Tredicce, Jorge R.; Spinelli, L.; Lugiato, Luigi A.; Brambilla, M.
Palabras clave[PACS] Other nonlinear optical materials; photorefractive and semiconductor materials
[PACS] Optical solitons; nonlinear guided waves
Fecha de publicación1-ene-2005
EditorSpringer
CitaciónEuropean Physical Journal D 32: 75-82 (2005)
ResumenWe analyze experimentally the spatio-temporal dynamics of the transverse structures appearing in broad area edge-emitting semiconductor amplifiers under CW optical injection. We demonstrate that, in certain conditions, the light reflected by the system exhibits a multipeaked structure whose dependence on the parameters suggests an interpretation in terms of cavity solitons. These structures can exhibit self-pulsations with periods of the order of few milliseconds, which we explain in terms of regenerative thermal oscillations. In a particular device, we generate two single-peak structures which are spatially uncorrelated, as required for cavity solitons. A microscopic model shows good agreement with the main body of the experimental results.
Descripción8 pages.-- PACS nrs.: 42.70.Nq, 42.65.Tg.
Versión del editorhttp://dx.doi.org/10.1140/epjd/e2004-00141-0
URIhttp://hdl.handle.net/10261/7468
DOI10.1140/epjd/e2004-00141-0
ISSN1434-6060 (Print)
1434-6079 (Online)
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