Asymptotically fault-tolerant programmable photonics

R Hamerly, S Bandyopadhyay, D Englund - Nature Communications, 2022‏ - nature.com
Component errors limit the scaling of programmable coherent photonic circuits. These errors
arise because the standard tunable photonic coupler—the Mach-Zehnder interferometer …

Quantum-limited stochastic optical neural networks operating at a few quanta per activation

SY Ma, T Wang, J Laydevant, LG Wright… - Nature …, 2025‏ - nature.com
Energy efficiency in computation is ultimately limited by noise, with quantum limits setting the
fundamental noise floor. Analog physical neural networks hold promise for improved energy …

Quantum-noise-limited optical neural networks operating at a few quanta per activation

SY Ma, T Wang, J Laydevant, LG Wright… - Research …, 2023‏ - pmc.ncbi.nlm.nih.gov
A practical limit to energy efficiency in computation is ultimately from noise, with quantum
noise [1] as the fundamental floor. Analog physical neural networks [2], which hold promise …

An optoacoustic field-programmable perceptron for recurrent neural networks

S Becker, D Englund, B Stiller - Nature Communications, 2024‏ - nature.com
Recurrent neural networks (RNNs) can process contextual information such as time series
signals and language. But their tracking of internal states is a limiting factor, motivating …

Quantum-secure multiparty deep learning

K Sulimany, SK Vadlamani, R Hamerly… - arxiv preprint arxiv …, 2024‏ - arxiv.org
Secure multiparty computation enables the joint evaluation of multivariate functions across
distributed users while ensuring the privacy of their local inputs. This field has become …

All-optical nonlinear activation function based on stimulated Brillouin scattering

G Slinkov, S Becker, D Englund, B Stiller - Nanophotonics, 2025‏ - degruyter.com
Optical neural networks have demonstrated their potential to overcome the computational
bottleneck of modern digital electronics. However, their development towards high …

[HTML][HTML] Deep learning enabled photonic Nyquist folding receiver for wideband RF spectral analysis

MJ Murray, RT Schermer, J Hart, JB Murray… - APL Photonics, 2025‏ - pubs.aip.org
The need for real-time wideband radio frequency (RF) spectral analysis is driven by
continued advances in modern wireless communications and RADAR systems used both for …

An integrated microwave neural network for broadband computation and communication

BAL GOVIND, M Anderson, F Wu, P McMahon, A Apsel - 2025‏ - researchsquare.com
High-bandwidth applications, from multi-gigabit communication and high-performance
computing to radar signal processing, demand ever-increasing processing speeds …

Hyper-multiplexed, Ultralow-Energy Optical Neural Networks on Thin-Film Lithium Niobate

S Ou, A Sludds, R Hamerly, E Zhong… - CLEO: Science and …, 2024‏ - opg.optica.org
We demonstrate a large-scale wavelength-time-space-multiplexed optical neural network
using high-bandwidth (> 40 GHz) electro-optic modulators at CMOS-compatible voltages (V …

Multiplexing methods for scaling up photonic logic

R Hamerly, S Bandyopadhyay… - AI and Optical Data …, 2023‏ - spiedigitallibrary.org
Existing photonic matrix processers are too small to tackle relevant problems. Here, I review
our group's recent work on scaling up analog photonic platforms. This work includes iterative …