@article{shapedfourdimensionalmodulationformats,
  title = {Shaped Four-Dimensional Modulation Formats for Optical Fiber Communication Systems},
  author = {Bin Chen and Gabriele Liga and Yi Lei and Wei Ling and Zhengyan Huan and Xuwei Xue and Alex Alvarado},
  year = {2021},
  eprint = {2112.12377},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.12377v1},
}