11 x 224 Gb/s POLMUX-RZ-16QAM transmission over 670 km of SSMF with 50-Ghz channel spacing

M.S. Alfiad, M. Kuschnerov, S.L. Jansen, T. Wuth, D. Borne, van den, H. Waardt, de

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Abstract

We demonstrate the generation and transmission of eleven channels with 224-Gb/s polarization-multiplexed, return to zero, 16-level quadrature amplitude modulation (POLMUX-RZ-16QAM) over 670 km of standard single mode fiber (SSMF) with 50-GHz channel spacing and a spectral efficiency of 4.2 b/s/Hz. We report a penalty of around 4.3 dB in the performance at back-to-back in comparison to the theoretical limits, and a margin of 1 dB in Q-factor below the forward error correction (FEC) limit (assumed to be at a bit error rate of 3.8x10-3) after transmission over 670 km of SSMF.
Original languageEnglish
Pages (from-to)1150-1152
Number of pages3
JournalIEEE Photonics Technology Letters
Volume22
Issue number15
DOIs
Publication statusPublished - 2010

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