694 citations · 805 across the 9 of their papers we have counts for
4 papers · 1 filter
Programmable Integrated Photonics for Topological Hamiltonians
Mehmet Berkay On, Farshid Ashtiani, David Sanchez-Jacome +3
A variety of topological Hamiltonians have been demonstrated in photonic platforms, leading to fundamental discoveries and enhanced robustness in applications such as lasing, sensi…
Towards fully integrated photonic backpropagation training and inference using on-chip nonlinear activation and gradient functions
Farshid Ashtiani, Mohamad Hossein Idjadi
Gradient descent-based backpropagation training is widely used in many neural network systems. However, photonic implementation of such method is not straightforward mainly since h…
A surface-normal photodetector as nonlinear activation function in diffractive optical neural networks
Farshid Ashtiani, Mohamad Hossein Idjadi, Ting-Chen Hu +7
Optical neural networks (ONNs) enable high speed parallel and energy efficient processing compared to conventional digital electronic counterparts. However, realizing large scale s…
Inverse-designed low-index-contrast structures on silicon photonics platform for vector-matrix multiplication
Vahid Nikkhah, Ali Pirmoradi, Farshid Ashtiani +3
Inverse-designed Silicon photonic metastructures offer an efficient platform to perform analog computations with electromagnetic waves. However, due to computational difficulties,…