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A theoretical study of the effect of zero-crossing points within the dispersion map upon a longhaul RZ-DPSK system
Hidenori Taga1, Seng-Sheng Shu, Jyun-Yi Wu
1National Sun Yat-Sen University, No.70 Lien-Hai Road, Kaohsiung 80424 Taiwan, R.O.C. hidenoritaga@mail.nsysu.edu.tw
Abstract:
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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