Title :
1200km Transmission of 50GHz spaced, 5×504-Gb/s PDM-32-64 hybrid QAM using electrical and optical spectral shaping
Author :
Zhou, Xiaoxin ; Nelson, L.E. ; Isaac, R. ; Magill, P. ; Zhu, Benpeng ; Peckham, D.W. ; Borel, P. ; Carlson, K.
Author_Institution :
AT&T Labs.-Res., Middletown, NJ, USA
Abstract :
Employing time-domain hybrid QAM and electrical and optical shaping, we successfully transmitted five 504Gbits/s PDM-32/64QAM DWDM signals at 8.4b/s/Hz net spectral efficiency (SE) over a record 12×100km reach (for WDM SE>4b/s/Hz) and one 50GHz-grid ROADM.
Keywords :
optical fibre networks; quadrature amplitude modulation; wavelength division multiplexing; DWDM signals; PDM-32-64 hybrid QAM; ROADM; bit rate 504 Gbit/s; distance 1200 km; electrical spectral shaping; optical spectral shaping; reconfigurable optical add-drop multiplexer; spectral efficiency; time-domain hybrid QAM; Adaptive optics; Bit error rate; Optical fibers; Optical transmitters; Quadrature amplitude 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
