Title :
Long-haul WDM transmission of PDM-8PSK and PDM-8QAM with nonlinear DSP
Author :
Behrens, C. ; Lavery, Domanic ; Killey, Robert I. ; Savory, Seb J. ; Bayvel, Polina
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London (UCL), London, UK
Abstract :
The performance improvement with digital backpropagation using PDM-8PSK and PDM-8QAM formats was experimentally assessed for 7×112Gbit/s. Transmission reach was extended by ~20% compared to 15% for an equivalent PDM-QPSK system.
Keywords :
backpropagation; digital signal processing chips; multiplexing equipment; optical modulation; phase shift keying; quadrature amplitude modulation; telecommunication computing; wavelength division multiplexing; PDM-8PSK; PDM-8QAM; digital backpropagation; equivalent PDM-QPSK system; long-haul WDM transmission; nonlinear DSP; Backpropagation; Modulation; Optical fiber networks; Optical fiber polarization; Receivers; 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
