Md. Sabbir-Bin Hossain, Georg Böcherer, T. Rahman, N. Stojanović, P. Schulte, S. Calabrò, Jinlong Wei, Christian Bluemm, Tom Wettlin, C. Xie, M. Kuschnerov, S. Pachnicke
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Experimental Comparison of Cap and Cup Probabilistically Shaped PAM for O-Band IM/DD Transmission System
For 200Gbit/s net rates, uniform PAM-4, 6 and 8 are experimentally compared against probabilistic shaped PAM-8 cap and cup variants. In back-to-back and 20km measurements, cap shaped 80GBd PAM-8 outperforms 72GBd PAM-8 and 83GBd PAM-6 by up to 5.17dB and 2.17dB in receiver sensitivity, respectively.
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