25.6-Tb/s WDM Transmission of Polarization-Multiplexed RZ-DQPSK Signals

We demonstrate record 25.6-Tb/s transmission over 240 km using 160 WDM channels on a 50-GHz grid in the C+L bands. Each channel contains two polarization-multiplexed 85.4-Gb/s RZ-DQPSK signals, yielding a spectral efficiency of 3.2b/s/Hz in each band.

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of lightwave technology 2008-01, Vol.26 (1), p.79-84
Hauptverfasser:	Gnauck, A.H., Charlet, G., Tran, P., Winzer, P.J., Doerr, C.R., Centanni, J.C., Burrows, E.C., Kawanishi, T., Sakamoto, T., Higuma, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band spectra Bands Channels Coding, codes Differential quadrature phase shift keying Exact sciences and technology Filtering high spectral efficiency Information, signal and communications theory modulation formats Modulation, demodulation Multiplexing Optical distortion Optical fiber communications Optical fiber filters Optical fiber polarization Optical filters Optical modulation Optical receivers Optical telecommunications Optical transmitters Signal and communications theory Spectra Stimulated emission Telecommunications Telecommunications and information theory Wavelength division multiplexing
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Beschreibung
Zusammenfassung:	We demonstrate record 25.6-Tb/s transmission over 240 km using 160 WDM channels on a 50-GHz grid in the C+L bands. Each channel contains two polarization-multiplexed 85.4-Gb/s RZ-DQPSK signals, yielding a spectral efficiency of 3.2b/s/Hz in each band.
ISSN:	0733-8724 1558-2213
DOI:	10.1109/JLT.2007.912110