Title :
Transmission of 3×224 Gbit/s DP-16QAM signals with (up to) 7.2 bit/s/Hz spectral efficiency in SMF-EDFA links
Author :
Tipsuwannakul, Ekawit ; Li, Jianqiang ; Eriksson, Tobias A. ; Karlsson, Magnus ; Andrekson, Peter A.
Author_Institution :
Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden
Abstract :
We experimentally demonstrate 3×224 Gbit/s DP-16QAM transmission with spectral efficiencies (SEs) of 7.2(6.9) bit/s/Hz in 240(400)-km SMF-EDFA links. Such high-SE transmission is enabled by a digital post-filter and 4-state maximum likelihood sequence detection.
Keywords :
maximum likelihood detection; optical fibre amplifiers; optical fibre communication; optical links; quadrature amplitude modulation; 4-state maximum likelihood sequence detection; DP-16QAM signals transmission; SMF-EDFA links; digital post-filter; spectral efficiency; Bandwidth; Bit error rate; Crosstalk; Digital signal processing; Finite impulse response filter; Modulation; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2012 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4673-0262-3
