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Conferences > OFC > 2018 > W4G > W4G.6

Improved Performance of high-order QAM OFDM Based on Probabilistically Shaping in the Datacom

Jianyang Shi, Junwen Zhang, Xinying Li, Nan Chi, Yun Zhang, Qi Zhang, and Jianjun Yu

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Abstract

We experimentally demonstrated a PS-256-QAM OFDM fiber transmission in a low-cost IM-DD system. Compared with uniform 128-QAM, the proposed PS-256-QAM obtains the same entropy of 7 bits/QAM symbol, but higher achievable-information-rate performance and stronger nonlinearity robustness.

© 2018 The Author(s)

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