All-Optical ReLU as a Photonic Neural Activation Function
IEEE Summer Topicals 2023, Sicily, Italy, Jul. 2023, MF4.4
Margareta V. Stephanie, Lam Pham, Alexander Schindler, Michael Waltl, Tibor Grasser, and Bernhard Schrenk
We experimentally demonstrate an all-optical rectified linear unit (ReLU) activation function for neuromorphic photonics applications enabled by optical frequency coding of signals. Furthermore, a comparison is made with an electro-optic approach building on a directly modulated laser.