A theoretical study of the effect of zero-crossing points within the dispersion map upon a longhaul RZ-DPSK system
Author(s) -
Hidenori Taga,
Seng-Sheng Shu,
Jyun-Yi Wu,
Wei-Tong Shih
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.006163
Subject(s) - optics , dispersion (optics) , zero crossing , zero (linguistics) , physics , modulation (music) , transmission (telecommunications) , polarization mode dispersion , phase (matter) , differential phase , phase modulation , keying , wavelength , telecommunications , computer science , quantum mechanics , phase noise , linguistics , philosophy , voltage , acoustics
A theoretical study focusing on the effect of zero-crossing points in the dispersion map for the long-haul return-to-zero differential phase shift keying (RZ-DPSK) transmission system had been conducted. Difference of the transmission performance was characterized with regard to number of zero-crossing points within the dispersion map. It was observed that increasing the number of zero-crossing points in the dispersion map combined with the self phase modulation (SPM) caused the performance degradation near the system zero dispersion wavelength.
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