Single-photon detectors based on superconducting nanowires (SSPDs or SNSPDs) have
rapidly emerged as a highly promising photon-counting technology for infrared wavelengths …

Assisted by the rapid development of photonic integrated circuits, scalable and versatile chip-
based quantum light sources with nonlinear optics are increasingly tangible for real-world …

Integrated quantum photonic applications, providing physically guaranteed communications
security, subshot-noise measurement, and tremendous computational power, are nearly …

In this paper, we demonstrate the generation of high-performance entangled photon-pairs in
different degrees of freedom from a single piece of fiber pigtailed periodically poled LiNbO3 …

Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film
lithium niobate is a promising platform for on-chip photon-pair generation through …

Photon pairs produced by parametric down-conversion or four-wave mixing can interfere
with each other in multiport interferometers or carry entanglement between distant nodes for …

Increasing the complexity of quantum photonic devices is essential for many optical
information processing applications to reach a regime beyond what can be classically …

Interference between independent single photons is perhaps the most fundamental
interaction in quantum optics. It has become increasingly important as a tool for optical …

We present equations for the power generated via spontaneous (quantum) and stimulated
(classical) nonlinear optical processes in integrated devices. Equations for the same …

A key obstacle to the experimental realization of many photonic quantum-enhanced
technologies is the lack of low-loss sources of single photons in pure quantum states. We …