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Title: | Spatial decorrelation in broad-area edge-emitting semiconductor amplifiers |
Authors: | Barland, Stéphane; Hachair, X.; Giudici, Massimo; Balle, Salvador ![]() |
Keywords: | [PACS] Other nonlinear optical materials; photorefractive and semiconductor materials [PACS] Optical solitons; nonlinear guided waves |
Issue Date: | 1-Jan-2005 |
Publisher: | Springer |
Citation: | European Physical Journal D 32: 75-82 (2005) |
Abstract: | We 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. |
Description: | 8 pages.-- PACS nrs.: 42.70.Nq, 42.65.Tg. |
Publisher version (URL): | http://dx.doi.org/10.1140/epjd/e2004-00141-0 |
URI: | http://hdl.handle.net/10261/7468 |
DOI: | http://dx.doi.org/10.1140/epjd/e2004-00141-0 |
ISSN: | 1434-6060 |
E-ISSN: | 1434-6079 |
Appears in Collections: | (IMEDEA) Artículos (IFISC) Artículos |
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