High-speed optical signal processing using semiconductor optical amplifiers |
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Authors: | Colja Schubert Reinhold Ludwig and Hans-Georg Weber |
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Institution: | (1) Fraunhofer Institute for Telecommunications, Heinrich Hertz Institut, Einsteinufer 37, 10587 Berlin, Germany |
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Abstract: | 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. |
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Keywords: | |
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