Single-Laser 325 Tbit/s Nyquist WDM transmission

Hillerkuss, David, Schmogrow, Rene, Meyer, Matthias, Wolf, Stefan, Jordan, Meinert, Kleinow, Philipp, Lindenmann, Nicole, Schindler, Philipp C., Melikyan, Argishti, Yang, Xin, Ben-Ezra, Shalva, Nebendahl, Bend, Dreschmann, Michael, Meyer, Joachim, Parmigiani, Francesca, Petropoulos, Periklis, Resan, Bojan, Oehler, Andreas, Weingarten, Kurt, Altenhain, Lars, Ellermeyer, Tobias, Moeller, Michael, Huebner, Michael, Becker, Juergen, Koos, Christian, Freude, Wolfgang and Leuthold, Juerg (2012) Single-Laser 325 Tbit/s Nyquist WDM transmission Journal of Optical Communications and Networking, 4, (10), pp. 715-723. (doi:10.1364/JOCN.4.000715).


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We demonstrate single-laser 32.5 Tbit/s 16QAM Nyquist wavelength division multiplexing transmission over a total length of 227 km of SMF-28 without optical dispersion compensation. A number of 325 optical carriers is derived from a single laser and encoded with dual-polarization 16QAM data using sinc-shaped Nyquist pulses. As we use no guard bands, the carriers have a spacing of 12.5 GHz equal to the symbol rate or Nyquist bandwidth of the data. We achieve a net spectral efficiency of 6.4 bit/s/Hz using a software-defined transmitter, which generates the electric drive signals for the electro-optic modulator in real time.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1364/JOCN.4.000715
ISSNs: 1943-0620 (print)
Related URLs:
Keywords: fiber optics and optical communications
Organisations: Optoelectronics Research Centre
ePrint ID: 343085
Date :
Date Event
Date Deposited: 24 Sep 2012 10:57
Last Modified: 17 Apr 2017 16:36
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