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http://dx.doi.org/10.6109/jkiice.2014.18.8.2037

The effect comparison using saturation tone signals for optical wavelength division multiplexing communications  

Choi, Bo-Hun (Department of Materials Physics, Dong-A University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.18, no.8, 2014 , pp. 2037-2042 More about this Journal
Abstract
Three methods for gain saturation tone application were compared for optical wavelength division multiplexing transmission using more than 32 channels. The methods are to use high power distributed feedback laser diodes, to use amplified light sources, and lastly to use one saturation tone and several WDM light sources. 1532.3 nm, 1545.7 nm, and 1558.2 nm for the wavelength dependency of the saturation tone were also compared. As a result, the effect of amplified spontaneous emission noise caused by an amplifier was very slight. long wavelength for a saturation tone caused 1 dB gain reduction and its reason was analyzed.
Keywords
wavelength division multiplexing; optical communications; Erbium-doped fiber amplifier;
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