Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

As a fundamental optical approach to interferometry, Sagnac interference has been widely
used for reflection manipulation, precision measurements, and spectral engineering in …

Integrated photonic devices operating via optical nonlinearities offer a powerful solution for
all‐optical information processing, yielding processing speeds that are well beyond that of …

A general-purpose photonic processor can be built integrating a silicon photonic
programmable core in a technology stack comprising an electronic monitoring and …

All-optical signal processing based on nonlinear optical devices is promising for ultrafast
information processing in optical communication systems. Recent advances in two …

Convolutional neural networks, inspired by biological visual cortex systems, are a powerful
category of artificial neural networks that can extract the hierarchical features of raw data to …

Photonic RF transversal signal processors, which are equivalent to reconfigurable electrical
digital signal processors but implemented with photonic technologies, are attractive for high …

Silicon photonics enables wafer-scale integration of optical functionalities on chip. Silicon-
based laser frequency combs can provide integrated sources of mutually coherent laser …

Microwave photonic technologies, which upshift the carrier into the optical domain, have
facilitated the generation and processing of ultra-wideband electronic signals at vastly …

Optical artificial neural networks (ONNs)—analog computing hardware tailored for machine
learning—have significant potential for achieving ultra‐high computing speed and energy …