@InProceedings{buchali2018flexible,
	author = {Buchali, Fred and Hu, Qian and Chagnon, Mathieu and Schuh, Karsten and Schmalen, Laurent and Makovejs, Sergejs},
	title = {Flexible Transmission Enabled by Novel M2-QAM Formats with Record Distance-Spectral Efficiency Tuneability},
	booktitle = {Proc. Opt. Fiber Commun. Conf. (OFC)},
	pages = {W2A–54},
	address = {San Diego, CA, USA},
	month = Mar,
	year = {2018},
}