All-Optical ReLU as a Photonic Neural Activation Function
Margareta Vania Stephanie, Lam Dang Pham, Alexander Schindler, Michael Waltl, Tibor Grasser, Bernhard Schrenk · 2023
We experimentally demonstrate an alloptical 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.