Journal
PHOTONIC NETWORK COMMUNICATIONS
Volume 2, Issue 1, Pages 85-95Publisher
SPRINGER
DOI: 10.1023/A:1010011325594
Keywords
wavelength conversion; WDM; optical telecommunications; photonics
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This paper reports a review of the different technologies used for wavelength conversion in wavelength-division multiplexed networks. The strengths and the weaknesses of the competing technologies, including optoelectronic wavelength conversion, four-wave mixing, difference frequency generation, cross-gain and cross-phase modulation in semiconductor optical amplifiers, are stressed with regard to conversion speed, transparency and regeneration of the converted signal.
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