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arXiv · 1203.2516

Single-laser 32.5 Tbit/s Nyquist WDM transmission

David Hillerkuss·Rene Schmogrow·Matthias Meyer·Stefan Wolf·Meinert Jordan·Philipp Kleinow·Nicole Lindenmann·Philipp C. Schindler·Argishti Melikyan·Xin Yang·Shalva Ben-Ezra·Bernd Nebendahl·Michael Dreschmann·Joachim Meyer·Francesca Parmigiani·Periklis Petropoulos·Bojan Resan·Aandreas Oehler·Kurt Weingarten·Lars Altenhain·Tobias Ellermeyer·Matthias Moeller·Michael Huebner·Juergen Becker·Christian Koos·Wolfgang Freude·Juerg Leuthold
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Abstract

We demonstrate 32.5 Tbit/s 16QAM Nyquist WDM transmission over a total length of 227 km of SMF-28 without optical dispersion compensation. A number of 325 optical carriers are 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 Nyquist bandwidth of the data. We achieve a high net spectral efficiency of 6.4 bit/s/Hz using a software-defined transmitter which generates the electrical modulator drive signals in real-time.

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David Hillerkuss, Rene Schmogrow, Matthias Meyer, Stefan Wolf, Meinert Jordan, Philipp Kleinow, Nicole Lindenmann, Philipp C. Schindler, Argishti Melikyan, Xin Yang, Shalva Ben-Ezra, Bernd Nebendahl, Michael Dreschmann, Joachim Meyer, Francesca Parmigiani, Periklis Petropoulos, Bojan Resan, Aandreas Oehler, Kurt Weingarten, Lars Altenhain, Tobias Ellermeyer, Matthias Moeller, Michael Huebner, Juergen Becker, Christian Koos, Wolfgang Freude, Juerg Leuthold. 2012-03-12. Single-laser 32.5 Tbit/s Nyquist WDM transmission. https://doi.org/10.1364/jocn.4.000715

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