Jing Xu

All-optical speech recognition based on nonlinear diffractive neural network with picosecond latency

We propose and experimentally validate a keyword wake-up approach based on an all-optical nonlinear diffractive deep neural network (AON-D2NN) chip. The chip monolithically integrates an input layer, nine hidden layers, and an output layer. The hidden layers employ thermal phase shifter arrays for programmable matrix o...