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Semiconductor optical amplifier-based all-optical gates for high-speed optical processing

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1 Author(s)
Stubkjaer, K.E. ; Res. Center COM, Tech. Univ. Denmark, Lyngby, Denmark

Semiconductor optical amplifiers are useful building blocks for all-optical gates as wavelength converters and OTDM demultiplexers. The paper reviews the progress from simple gates using cross-gain modulation and four-wave mixing to the integrated interferometric gates using cross-phase modulation. These gates are very efficient for high-speed signal processing and open up interesting new areas, such as all-optical regeneration and high-speed all-optical logic functions.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:6 ,  Issue: 6 )