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Operational conditions for extinction ratio improvement in ultralong SOAs

 
: Runge, P.; Elschner, R.; Bunge, C.-A.; Petermann, K.; Schlak, M.; Brinker, W.; Sartorius, B.

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IEEE Photonics Technology Letters 21 (2009), No.2, pp.106-108
ISSN: 1041-1135
English
Journal Article
Fraunhofer HHI ()
high-speed optical techniques; optical communication equipment; semiconductor optical amplifier

Abstract
The extinction ratio (ER) improvement in ultralong semiconductor optical amplifiers (UL-SOAs) is studied in dependence on their driving conditions. A stable process potentially useful for simple high-speed all-optical regeneration is observed. Furthermore, results indicate that a Bogatov-like effect is the reason for the ER improvement in the UL-SOA's saturated section.

: http://publica.fraunhofer.de/documents/N-91527.html