Research Article
Experimental Characterization of SOA-Based Wavelength Converters for DPSK Signals
@INPROCEEDINGS{10.1109/CHINACOM.2006.344666, author={S. Gupta and R. Gangopadhyay and N. Calabretta and G. Contestabile and E. Ciaramella}, title={Experimental Characterization of SOA-Based Wavelength Converters for DPSK Signals}, proceedings={1st International ICST Conference on Communications and Networking in China}, publisher={IEEE}, proceedings_a={CHINACOM}, year={2007}, month={4}, keywords={}, doi={10.1109/CHINACOM.2006.344666} }- S. Gupta
R. Gangopadhyay
N. Calabretta
G. Contestabile
E. Ciaramella
Year: 2007
Experimental Characterization of SOA-Based Wavelength Converters for DPSK Signals
CHINACOM
IEEE
DOI: 10.1109/CHINACOM.2006.344666
Abstract
We report a detailed experimental characterization of the wavelength conversion of 10 Gb/s non-return-to-zero differential phase shift keying (NRZ-DPSK) optical signals based on four wave mixing (FWM) in a semiconductor optical amplifier (SOA). The performance of this coherent wavelength converter is compared with theoretical results and found to perform better, in terms of extended range of signal-to-pump ratio (SPR) with lower power penalty, than conventional on-off keying (OOK) and return-to-zero DPSK (RZ-DPSK) signals due to its constant envelope and inherent immunity to data pattern fluctuations.
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