End-to-End Learning for VCSEL-based Optical Interconnects: State-of-the-Art, Challenges, and Opportunities. - Muralikrishnan Srinivasan; Jinxiang Song; Alexander Grabowski; Krzysztof Szczerba; Holger K. Iversen; Mikkel N. Schmidt; Darko Zibar; Jochen Schröder; Anders Larsson; Christian Häger; Henk Wymeersch (CoRR, 2022)