On the Performance of Probabilistic Shaped 16-QAM with different Entropies using Probability-aided Maximum Likelihood Sequence Detector - Jia, Xiaoshuo; Li, Yan; Luo, Ming; Yang, Chao; Qiu, Jifang; Hong, Xiaobin; Guo, Hongxiang; Wu, Jian (2022 Asia Communications and Photonics Conference (ACP), Asia Communications and Photonics Conference (ACP), 2022, 2022)