Quantum theory has been successfully validated in numerous laboratory experiments. But
would such a theory, which effectively describes the behavior of microscopic physical …

Recent developments in chip-based photonic quantum circuits have radically impacted
quantum information processing. However, it is challenging for monolithic photonic platforms …

Driven by the rapid progress in quantum hardware, recent years have witnessed a furious
race for quantum technologies in both academia and industry. Universal quantum …

An optimal single-photon source should deterministically deliver one, and only one, photon
at a time, with no trade-off between the source's efficiency and the photon …

The generation, manipulation, storage, and detection of single photons play a central role in
emerging photonic quantum information technology. Individual photons serve as flying …

The generation of high-quality entangled photon pairs has been a long-sought goal in
modern quantum communication and computation. So far, the most widely used entangled …

Semiconductor quantum dots (QDs) of various material systems are being heavily
researched for the development of solid state single photon emitters, which are required for …

Owing to the inevitable loss in communication channels, the distance of entanglement
distribution is limited to approximately 100 kilometres on the ground. Quantum repeaters can …

Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …

The goal of integrated quantum photonics is to combine components for the generation,
manipulation, and detection of nonclassical light in a phase-stable and efficient platform …