The efficient clock-extraction methods of NRZ signal for chromatic dispersion monitoring

Clock-frequency component (CFC) is widely used to monitor chromatic dispersion. However, the CFCs extracted by different clock-extraction (CE) methods show different characteristics about dispersion. We compare the CE methods of nonreturn-to-zero signal for chromatic dispersion monitoring. We also c...

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Bibliographic Details
Published in:IEEE photonics technology letters 2005-05, Vol.17 (5), p.1100-1102
Main Authors: Kim, Sung-Man, Lee, Chang-Hee
Format: Article
Language:English
Subjects:
Band pass filters
Chlorofluorocarbons
Chromatic dispersion
Chromatic dispersion monitoring
clock-frequency component (CFC) extraction
Clocks
Compensation
Diodes
Dispersions
Fiber nonlinear optics
High speed
Monitoring
Monitors
Nonlinearity
optical fiber communication
Optical fiber dispersion
Optical signal processing
Optimization
optimum amount of dispersion compensation
Radio frequency
Signal processing
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Description
Summary:Clock-frequency component (CFC) is widely used to monitor chromatic dispersion. However, the CFCs extracted by different clock-extraction (CE) methods show different characteristics about dispersion. We compare the CE methods of nonreturn-to-zero signal for chromatic dispersion monitoring. We also compare the ability of the CE methods to detect the optimum amount of dispersion compensation when optical nonlinearity exists. As a result, we find out the efficient CE methods to monitor the optimum amount of dispersion compensation in the real high-speed transmission systems.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2005.845743