Adaptive all-optical sigmoid activation functions for Photonic Neural Networks using Fabry-Perot laser diodes under optical injection
Petar Atanasijević, Christos Pappas, Mladen Banović, Jasna V. Crnjanski, Apostolos Tsakyridis, Miltiadis Moralis‐Pegios, Konstantinos Vyrsokinos, Marko M. Krstić, Pedja M. Mihailovic, Slobodan Petričević, Nikos Pleros, Dejan M. Gvozdić · 2024
We experimentally validate the all-optical activation functions in Fabry-Perot lasers under optical injection for random and non-random inputs. Sigmoid-like activations for 100 ps pulses are reconfigured using injection parameters, consuming 1.4 pJ per nonlinear operation.