Analysis of the carrier-suppressed single-sideband modulators used to mitigate Rayleigh backscattering in carrier-distributed PON

Chi-Wai Chow, C. H. Wang, C. H. Yeh, S. Chi

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

By using the carrier-suppressed single-sideband (CS-SSB) modulation, the Rayleigh backscattering (RB) experienced by the uplink signal can be effectively mitigated due to the reduction of the spectral overlap between the uplink signal and the distributed optical carrier. In this work, we first introduce the theoretical analysis of the CS-SSB generation using the dual-drive MZM (DD-MZM)-based and a dual-parallel MZM (DP-MZM)-based optical networking units (ONUs). Due to the different modulation mechanisms of the two CS-SSB modulations, the frequency components of the generated CS-SSB signals are also different. The transmission performance and the dispersion tolerance of the uplink signals generated by the two CS-SSB modulators are also analyzed and discussed.

Original languageEnglish
Pages (from-to)10973-10978
Number of pages6
JournalOptics Express
Volume19
Issue number11
DOIs
StatePublished - 23 May 2011

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