Mesoscale cavities in hollow-core waveguides for quantum optics with atomic ensembles
Single-mode hollow-core waveguides loaded with atomic ensembles offer an excellent platform for light–matter interactions and nonlinear optics at low photon levels. We review and discuss possible approaches for incorporating mirrors, cavities, and Bragg …
CMOS-compatible photonic devices for single-photon generation
Sources of single photons are one of the key building blocks for quantum photonic technologies such as quantum secure communication and powerful quantum computing. To bring the proof-of-principle demonstration of these technologies from the laboratory to the …
Quantum plasmonics: from jellium models to ab initio calculations
Light-matter interaction in plasmonic nanostructures is often treated within the realm of classical optics. However, recent experimental findings show the need to go beyond the classical models to explain and predict the plasmonic response at the nanoscale. A …
On-chip continuous-variable quantum entanglement
Entanglement is an essential feature of quantum theory and the core of the majority of quantum information science and technologies. Quantum computing is one of the most important fruits of quantum entanglement and requires not only a bipartite entangled …
Coupling single emitters to quantum plasmonic circuits
In recent years, the controlled coupling of single-photon emitters to propagating surface plasmons has been intensely studied, which is fueled by the prospect of a giant photonic nonlinearity on a nanoscaled platform. In this article, we will review the …
Generation and manipulation of entangled photons on silicon chips
Integrated quantum photonics is now seen as one of the promising approaches to realize scalable quantum information systems. With optical waveguides based on silicon photonics technologies, we can realize quantum optical circuits with a higher degree of …
Large-scale quantum photonic circuits in silicon
Quantum information science offers inherently more powerful methods for communication, computation, and precision measurement that take advantage of quantum superposition and entanglement. In recent years, theoretical and experimental advances in quantum …
Special issue: Quantum photonics
With the availability of sophisticated nanofabrication and novel quantum emitters, it is possible to study novel quantum optical phenomena in nanophotonic systems. Strong confinement of light at the nanoscale results in extremely strong light-matter …