A Chirp-z-Transform-Based Software Synchronization Method for Optical Performance Monitoring

A Chirp-z-Transform-Based Software Synchronization Method for Optical Performance Monitoring

A software synchronization method based on chirp-z transform is proposed for optical performance monitoring in this letter. In comparison with the previously reported software synchronization methods, the proposed method is shown to have higher spectral resolution and shorter calculation time. The a...

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Veröffentlicht in:IEEE photonics technology letters 2011-11, Vol.23 (22), p.1739-1741
Hauptverfasser: Yang, Aiying, Lai, Junsen, Sun, Yu-nan
Format: Artikel
Sprache:eng
Schlagworte:
All-optical sampling
chirp-z transform (CZT)
Fiber nonlinear optics
optical communication
Optical fibers
Optical filters
Optical pulses
software synchronization
Synchronization
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Zusammenfassung:A software synchronization method based on chirp-z transform is proposed for optical performance monitoring in this letter. In comparison with the previously reported software synchronization methods, the proposed method is shown to have higher spectral resolution and shorter calculation time. The accuracy of the sampling step size for eye diagram recovery is efficiently improved. The experimental results of the eye-diagram and Q factor demonstrate the validity of the newly developed method.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2011.2167746