Title :
Spectral efficiency and nonlinear tolerance of DPSK formats in 160 Gb/s Raman amplified systems
Author :
Xu, Zhenbo ; Rottwitt, Karsten ; Jeppesen, Palle
Author_Institution :
Res. Center COM, Tech. Univ. Denmark, Lyngby, Denmark
Abstract :
5-channel 160 Gb/s WDM systems using ABA dispersion map and Raman amplification are investigated. RZ-DPSK can offer 2300 km distance. CSRZ-DPSK offers 1900 km and 2 ps/nm dispersion tolerance and spectral efficiency of 0.72 bit/s/Hz.
Keywords :
differential phase shift keying; optical fibre amplifiers; optical fibre communication; optical fibre dispersion; wavelength division multiplexing; 160 Gbit/s; 1900 km; 2300 km; ABA dispersion map; DPSK format; EDFA; Raman amplified system; WDM system; dispersion tolerance; nonlinear tolerance; optical fibre communication; spectral efficiency; Differential quadrature phase shift keying; Dispersion; Fiber nonlinear optics; Nonlinear optics; Optical fiber polarization; Optical modulation; Optical receivers; Optical transmitters; Phase modulation; Stimulated emission;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2005. QELS '05
Print_ISBN :
1-55752-796-2
DOI :
10.1109/QELS.2005.1549285
