At the core of quantum photonic information processing and sensing, two major building
pillars are single-photon emitters and single-photon detectors. In this review, we …

In recent years, with the further ministration of the semiconductor device in integrated
circuits, power consumption and data transmission bandwidth have become insurmountable …

The increasing amount of data exchange requires higher-capacity optical communication
links. Mode division multiplexing (MDM) is considered as a promising technology to support …

The Mach–Zehnder interferometer (MZI) mesh, a mainstream structure for optical matrix-
vector multiplication (MVM), has been widely employed in recently developed optical neural …

Photonic neural networks are emerging as promising computing platforms for artificial
intelligence (AI). Particularly, integrated photonic unitary neural networks (IPUNNs) are …

Every multi-input multi-output linear optical system can be deemed as a matrix multiplier that
carries out a desired transformation on the input optical information, such as imaging …

In recent years, space-division multiplexing (SDM) technology, which involves transmitting
data information on multiple parallel channels for efficient capacity scaling, has been widely …

An optical unitary processor (OUP) is a programmable photonic circuit to achieve arbitrary
unitary operation for various applications, including optical communication, deep learning …

Photonic integrated circuits have potentials to advance artificial neural networks by
providing ultra-fast and high power efficient computation resources. In many of optical neural …

Integrated photonic neural networks (PNNs) usually adopt traditional convolutional neural
network (CNN) or multilayer perceptron (MLP) network models. These models consist of …