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http://dx.doi.org/10.6109/jkiice.2014.18.7.1757

Long haul transmission link using a optimized circulating loop for optical wavelength division multiplexing signals  

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.7, 2014 , pp. 1757-1763 More about this Journal
Abstract
Optical wavelength division multiplexing signals of eight non-return-to-zero 10 Gb/s channels were transmitted on the long-haul link up to 720 km. The link span was composed of 80 km single mode fiber, dispersion compensation fiber for complete compensation, and EDFAs. A circulating loop method was applied to the link experiment and the loop was optimized for the transmission link. Wavelength-dependent gain variation of EDFA was compensated using EDFAs of opposite gain slopes without expensive gain flattening filters. Average OSNR was aggravated to 22 dB and the worst OSNR channel variation was 9.7 dB after the transmission. It was confirmed by analyzing optical spectra that this OSNR variation was mainly caused by the hole burning effect of EDFA.
Keywords
Optical fiber; optical communications; gain fattening; Erbium-doped fiber amplifier; wavelength division multiplexing;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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