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High-speed optical signal processing using semiconductor optical amplifiers

: Schubert, C.; Ludwig, R.; Weber, H.-G.


Journal of optical and fiber communications reports 2 (2005), Nr.2, S.171-208
ISSN: 1619-8638
Fraunhofer HHI ()

The authors report on all-optical switching devices based on semiconductor optical amplifiers (SOA) in applications for optical time division multiplexing (OTDM) transmission technology. The report includes a discussion on the basic properties of an SOA on the nonlinear processes of cross-phase modulation and four-wave mixing in the SOA used for all-optical switching and on the application of the SOA as demultiplexer add-drop multiplexer clock recovery and wavelength converter. The devices considered here operate at data rates in excess of \Gb80 where electrical signal processing is not available today.