Title :
Spectrally-efficient 448-Gb/s dual-carrier PDM-16QAM channel in a 75-GHz grid
Author :
Silva, Enrico ; Carvalho, Luis ; Franciscangelis, Carolina ; Diniz, Julio ; Bordonalli, Aldario ; Oliveira, Juliano
Author_Institution :
CPqD-Centro de Pesquisa e Desenvolvimento em Telecomun., Brazil
Abstract :
We improved 448-Gb/s dual-carrier PDM-16QAM spectral efficiency by using optical pre-filtering and RZ pulse-shaping, allowing it to operate in a 75-GHz WDM grid transmission system at 5.6-b/s/Hz without the use of Nyquist filtering or OFDM.
Keywords :
optical filters; optical pulse shaping; quadrature amplitude modulation; wavelength division multiplexing; RZ pulse-shaping; WDM grid transmission sγstem; frequency 75 GHz; optical prefiltering; polarization division multiplexing; quadrature amplitude modulation; spectrally-efficient dual-carrier PDM-16QAM channel; Bandwidth; Filtering; Nonlinear optics; Optical crosstalk; Optical filters; Optical polarization; Wavelength division multiplexing;
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
