A scalable and fully tuneable VCSEL-based neural network Anas Skalli, Mirko Goldmann, Xavier Porte, Nasibeh Haghighi, Stephan Reitzenstein, James A. Lott and Daniel Brunner EPJ Web Conf., 287 (2023) 13008 Published online: 18 October 2023 DOI: 10.1051/epjconf/202328713008