Title :
8 450-Gb/s, 50-GHz-spaced, PDM-32QAM transmission over 400km and one 50GHz-grid ROADM
Author :
Zhou, X. ; Nelson, L. ; Magill, P. ; Isaac, R. ; Zhu, B. ; Peckham, D.W. ; Borel, P. ; Carlson, K.
Author_Institution :
AT&T Labs.-Res., Middletown, NJ, USA
Abstract :
Employing Nyquist-pulse-shaped PDM-32QAM modulation and both pre- and post-transmission digital equalization, we demonstrate 50GHz-spaced, 8×450Gbits/s DWDM transmission over 4 100km of ultra-large-area fiber and one 50GHz-grid WSS-based ROADM at 8.37b/s/Hz spectral efficiency.
Keywords :
pulse modulation; wavelength division multiplexing; DWDM transmission; Nyquist-pulse-shaped PDM-32QAM modulation; WSS-based ROADM; distance 400 km; distance 4100 km; frequency 50 GHz; post-transmission digital equalization; reconfigurable optical add-drop multiplexer; ultralarge-area fiber; Bit error rate; Modulation; Optical fibers; Optical filters; Optical variables measurement; Wavelength division multiplexing;
Conference_Titel :
Optical Fiber Communication Conference and Exposition (OFC/NFOEC), 2011 and the National Fiber Optic Engineers Conference
Conference_Location :
Los Angeles, CA
Print_ISBN :
978-1-4577-0213-6
