Contributions to composite second-order distortion for 80 channel analog systems from chromatic dispersion, PMD, and PDL

M. Ajaaz Zainul

doi:10.1117/12.328589

4 December 1998 Contributions to composite second-order distortion for 80-channel analog systems from chromatic dispersion, PMD, and PDL

M. Ajaaz Zainul

Author Affiliations +

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328589
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

Composite second-order distortion (CSO) can significantly impair system performance of analog systems. Of the three mechanisms that contribute to the CSO level, namely, chromatic dispersion, PMD, and polarization-dependent loss (PDL), modeling and experimental results show that chromatic dispersion may be the main contributor if PMD from typical currently manufactured fibers are used. Because of this and due to the low variability of the chromatic dispersion values, levels higher than -70 dB of CSO can be accommodated. Using chirp values from current directly modulated lasers at 1310 nm, system lengths as long as 40 km are predicted to be achievable. Sixteen picoseconds of instantaneous PMD can be tolerated provided chromatic dispersion and PDL are reasonably controlled.

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M. Ajaaz Zainul "Contributions to composite second-order distortion for 80-channel analog systems from chromatic dispersion, PMD, and PDL", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328589

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