Author:
Ashtiani Farshid,Idjadi Mohamad Hossein,Hu Ting-Chen,Grillanda Stefano,Neilson David,Earnshaw Mark,Cappuzzo Mark,Kopf Rose,Tate Alaric,Blanco-Redondo Andrea
Abstract
We propose a neural nonlinearity using a surface-normal photodetector with a response time of 5.7 µs and an energy efficiency of < 10 nW/pixel. This device offers a significant improvement in free-space diffractive optical neural networks.