Experiments on Bipolar Transmission with Direct Detection
Thomas Wiegart, Daniel Plabst, Tobias Prinz, Talha Rahman, Maximilian Schädler, Nebojša Stojanović, Stefano Calabrò, Norbert Hanik, Gerhard G. Kramer · arXiv (Cornell University) · 2022
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.