56-Gbaud PDM-QPSK: Coherent Detection and 2,500-km Transmission

Conference: ECOC 2009 - 35th European Conference on Optical Communication - Post Deadline Papers
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Winzer, P. J.; Gnauck, A. H.; Raybon, G. (Alcatel-Lucent, Bell Labs, 791 Holmdel-Keyport Road, Holmdel, NJ, USA)
Schnecker, M.; Pupalaikis, P. J. (LeCroy Corporation, Chestnut Ridge, NY, USA)

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 x 80 km) of fiber and is coherently detected using two 80- GSamples/s oscilloscopes with off-line signal processing.