Title :
Quadrature duobinary modulation for 100G transmission beyond the Nyquist limit
Author :
Lyubomirsky, Ilya
Author_Institution :
Univ. of California, Riverside, CA, USA
Abstract :
Quadrature duobinary (QDB) modulation with coherent detection is proposed for 112-Gb/s transmission systems. With proper system design for maximum spectral efficiency, we show that dual polarization QDB can achieve 112-Gb/s transmission on 25-GHz channel spacing.
Keywords :
channel spacing; optical fibre communication; optical modulation; quadrature phase shift keying; Nyquist limit; bandwidth 25 GHz; bit rate 112 Gbit/s; channel spacing; coherent detection; maximum spectral efficiency; quadrature duobinary modulation; quadrature phase shift keying; Bandwidth; Channel spacing; Constellation diagram; Low pass filters; Matched filters; Optical fiber networks; Optical filters; Optical interferometry; Optical modulation; Optical sensors;
Conference_Titel :
Optical Fiber Communication (OFC), collocated National Fiber Optic Engineers Conference, 2010 Conference on (OFC/NFOEC)
Conference_Location :
San Diego, CA
Electronic_ISBN :
978-1-55752-884-1
