Title :
56-Gbaud PDM-QPSK: coherent detection and 2,500-km transmission
Author :
Winzer, P.J. ; Gnauck, A.H. ; Raybon, G. ; Schnecker, M. ; Pupalaikis, P.J.
Author_Institution :
Alcatel-Lucent, Bell Labs, 791 Holmdel-Keyport Road, NJ, USA
Abstract :
A 56-Gbaud (224-Gb/s line rate) polarization-division multiplexed quadrature phase shift keyed (PDM-QPSK) signal is transmitted over 2,500 km (32 × 80 km) of fiber and is coherently detected using two 80-GSamples/s oscilloscopes with off-line signal processing.
Keywords :
Bandwidth; Delay; High speed optical techniques; Optical polarization; Optical receivers; Optical signal processing; Optical transmitters; Phase detection; Quadrature phase shift keying; Signal processing;
Conference_Titel :
Optical Communication, 2009. ECOC '09. 35th European Conference on
Conference_Location :
Vienna
Print_ISBN :
978-1-4244-5096-1
