Experiments on Bipolar Transmission with Direct Detection

05/11/2022

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by   Thomas Wiegart, et al.

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Achievable information rates of bipolar 4- and 8-ary constellations are experimentally compared to those of intensity modulation (IM) when using an oversampled direct detection receiver. The bipolar constellations gain up to 1.8 dB over their IM counterparts.