Estimating transmission capacity with probabilistically shaped 64-QAM

H.G. Batshon,M.V. Mazurczyk,J.-X. Cai,M. Paskov,W.W. Patterson,O.V. Sinkin,C.R. Davidson,M.A. Bolshtyansky,D.G. Foursa,A.N. Pilipetskii

european conference on optical communication（2019）

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Abstract

We discuss three different capacity estimation methods for transmission using probabilistically shaped modulation formats. We experimentally demonstrate ∼70 Tb/s transmission over 6,970 km using probabilistically shaped 64QAM with multi-stage nonlinear compensation and compare this result to capacity measurements using multi-dimensional coded modulation.

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Key words

Channel coding,forward error correction,modulation,optical fiber communication

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