Title :
Long-Haul Performance of 112 Gb/s PM-QPSK: Implications of Enhanced Optical Fiber Transmission Properties
Author :
Cartledge, John C. ; Downie, John D.
Author_Institution :
Dept. of Electr. & Comput. Eng., Queen´´s Univ., Kingston, ON, Canada
Abstract :
Experimental investigations of 112 Gb/s PM-QPSK transmission are reviewed for systems with 100 km spans and EDFA-only amplification, 200 km spans and hybrid amplification (distributed Raman amplification (DRA) and EDFA), and 100 km spans and DRA-only amplification. By taking advantage of optical fibers with ultra-low loss and very large effective area, transmission distances of 7200 km, 5400 km and 10 200 km, respectively, were achieved for multi-channel transmission with a 50 GHz channel spacing. For the first of these systems, the impact of the signal processing algorithms on the long-haul bit error ratio performance is examined with an emphasis on the sensitivity to the values of key algorithm parameters.
Keywords :
channel spacing; error statistics; multiplexing; optical communication equipment; optical fibre communication; optical fibre losses; quadrature phase shift keying; signal processing; DRA; EDFA; PM-QPSK; bit rate 112 Gbit/s; channel spacing; distance 100 km; distance 10200 km; distance 200 km; distance 5400 km; distance 7200 km; distributed Raman amplification; enhanced optical fiber transmission properties; frequency 50 GHz; large effective area; long-haul bit error ratio performance; signal processing algorithms; ultralow loss fiber; Adaptive optics; Bit error rate; Coherence; Erbium-doped fiber amplifier; Optical polarization; Optical signal processing; Phase shift keying; Coherent optical fiber transmission; polarization multiplexed QPSK;
Journal_Title :
Lightwave Technology, Journal of
DOI :
10.1109/JLT.2012.2205898
