Chip-scale programmable optical signal processors are often used to flexibly manipulate the
optical signals for satisfying the demands in various applications, such as lidar, radar, and …

Analog feature extraction (AFE) is an appealing strategy for low-latency and efficient
cognitive sensing systems since key features are much sparser than the Nyquist-sampled …

Large-scale photonic switches are essential components for telecommunications and
interconnects, incorporating many cascaded 2× 2 optical switches. To keep the excess loss …

A series of reconfigurable compact photonic arbitrary power splitters are proposed based on
the hybrid structure of silicon and Ge2Sb2Se4Te1 (GSST), which is a new kind of non …

Optical signal processing has been playing a crucial part as powerful engine for various
information systems in the practical applications. In particular, achieving large-scale …

An optical unitary converter (OUC) that can convert a set of N mutually orthogonal optical
modes into another set of arbitrary N orthogonal modes is expected to be a key device in …

Multipurpose programmable photonic processors have recently emerged as a solution to
provide cost-effective and general-purpose functionality for a myriad of photonic …

General-purpose programmable photonic processors rely on the large-scale integration of
beamsplitters and reconfigurable phase shifters, distributed within unit cells or photonic …

We propose a novel filter circuit that incorporates a double ring resonator with a balanced
Mach–Zehnder interferometer (MZI). The circuit has a response equivalent to a conventional …

While analog neural network (NN) accelerators promise massive energy and time savings,
an important challenge is to make them robust to static fabrication error. Present-day training …