All-Optical High-speed Programmable Nonlinear Activation Functions using a Fabry-Perot Laser. - Mladen Banovic; Petar Atanasijevic; Antonios Prapas; Christos Pappas; Jasna V. Crnjanski; Apostolos Tsakyridis; Miltiadis Moralis-Pegios; Konstantinos Vyrsokinos; Milanka Lovic; Nina Zdravkovic; Milena Micic; Marko Krstic; et al. (CoRR, 2025)