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arxiv: 2205.08805 · v1 · pith:HHZHSUXD · submitted 2022-05-18 · eess.SP

Experimental Comparison of Cap and Cup Probabilistically Shaped PAM for O-Band IM/DD Transmission System

Md Sabbir-Bin Hossain , Georg Boecherer , Talha Rahman , Nebojsa Stojanovic , Patrick Schulte , Stefano Calabr\`o , Jinlong Wei , Christian Bluemm
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Tom Wettlin Changsong Xie Maxim Kuschnerov Stephan Pachnicke
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keywords pam-8shapedback-to-backcomparedcomparisonexperimentalexperimentallygbit
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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 3.50dB and 0.8dB in receiver sensitivity, respectively

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