Title :
Submarine transmissions with spectral efficiency higher than 3 b/s/Hz using Nyquist pulse-shaped channels
Author :
Bertran-Pardo, Oriol ; Renaudier, Jeremie ; Tran, P. ; Mardoyan, H. ; Brindel, P. ; Ghazisaeidi, Amirhossein ; Salsi, Massimiliano ; Charlet, G. ; Bigo, S.
Author_Institution :
Alcatel-Lucent Bell Labs., Nozay, France
Abstract :
We study experimentally PDM-QPSK, PDM-8QAM and PDM-16QAM signals with Nyquist pulse-shaping at 28 Gbaud for undersea transmissions. We compare their noise sensitivity, nonlinear tolerance, transmission reach and assess their performance depending on channel spacing.
Keywords :
channel spacing; optical modulation; quadrature amplitude modulation; quadrature phase shift keying; Nyquist pulse-shaped channels; Nyquist pulse-shaping; PDM-16QAM signal; PDM-8QAM signal; PDM-QPSK signal; channel spacing; noise sensitivity; nonlinear tolerance; spectral efficiency; submarine transmissions; transmission reach; undersea transmissions; Mixers; Optical attenuators; Optical modulation; Optical polarization; Optical sensors;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
