Fibre four-wave mixing induced by optical amplification in a 16 channel coherent system
Laming, R.I., Maeda, M.W., Sessa, W.B., Way, W.I., Yi-Yan, A., Welter, R. and Curtis, L. (1989) Fibre four-wave mixing induced by optical amplification in a 16 channel coherent system. In, ECOC '89: 15th European Conference on Optical Communication, Gothenburg, Sweden, 10 - 14 Sep 1989.
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In optical frequency division multiplexed systems, the nonlinear interaction between signal channels may set the ultimate limit on the allowable channel spacing, total number of channels, and maximum power per channel. The four-wave mixing (FWM) crosstalk in semiconductor amplifiers has been shown to cause a sensitivity degradation when the channel spacing is a few hundred megahertz. In contrast, when fiber amplifiers are used, nonlinear interactions have been considered negligible because of the long fluorescence time constant. However, we recently found that for a fiber amplifier with a saturation power in the 5-10-mW range, the transmission fiber following the amplifier can cause FWM crosstalk. Fiber FWM may also be observed without an amplifier if a wavelength selective coupler is used to combine the laser outputs with no splitting loss.
|Item Type:||Conference or Workshop Item (Paper)|
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||Faculty of Physical and Applied Science > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||03 Aug 2011 09:07|
|Contributors:||Laming, R.I. (Author)
Maeda, M.W. (Author)
Sessa, W.B. (Author)
Way, W.I. (Author)
Yi-Yan, A. (Author)
Welter, R. (Author)
Curtis, L. (Author)
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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