Does Probabilistic Constellation Shaping Benefit IM-DD Systems Without Optical Amplifiers? - Che, Di; Cho, Junho; Chen, Xi (Journal of lightwave technology, 2021)
Keywords: Amplification; AWGN channels; Computer networks; Constellations; Direct detection; Forward error correction; intensity modulation; Light amplifiers; Optical amplifiers; optical communication; Optical receivers; Optical transmitters; Passive optical networks; Power consumption; probabilistic constellation shaping; Pulse amplitude modulation; rate adaptation; Stimulated emission