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Extinction ratio improvement in ultra-long semiconductor optical amplifiers - Two wave competition for regenerative applications

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


Institute of Electrical and Electronics Engineers -IEEE-:
2008 International Conference on Photonics in Switching (PS) : Proceedings of a meeting held 4-7 August 2008, Sapporo, Hokkaido, Japan
Piscataway, NJ: IEEE, 2008
ISBN: 1-4244-4326-1
ISBN: 978-1-4244-4326-0
2 S.
International Conference on Photonics in Switching (PS) <2008, Sapporo>
Fraunhofer HHI ()

With the help of the two-wave competition (TWC) in saturated ultra-long semiconductor optical amplifiers (UL-SOAs) the extinction ratio (ER) of high-speed optical signals can be regenerated. We investigate the UL-SOAs' optimum operating range for the ER improvement. As a result, we present driving conditions for a stable regeneration scheme.