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Waveform degradation due to dispersion effects in an optical CPFSK system

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3 Author(s)
Tsubokawa, M. ; NTT Transmission Syst. Lab., Ibaraki, Japan ; Ohashi, M. ; Sasaki, Y.

Waveform degradation due to polarization and chromatic dispersion in a single-mode fiber is calculated for a coherent continuous-phase frequency-shift-keying (CPFSK) signal. Both kinds of dispersion distort the amplitude of the baseband signal and can limit transmission distance and capacity. For instance, polarization dispersion of 5 ps will restrict a bit rate by ~60 Gb/s when chromatic dispersion is fully reduced using a dispersion-shifted fiber or applying electrical equalization

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Lightwave Technology, Journal of  (Volume:8 ,  Issue: 6 )