Semiconductor quantum dots are promising building blocks for quantum communication applications. Although deterministic, efficient, and coherent emission of entangled photons has been realized, implementing a practical quantum repeater remains outstanding.… Weiter »Statistical limits for quantum networks with semiconductor entangled photon sources
Deterministic sources of multi-photon entanglement are highly attractive for quantum information processing but are challenging to realize experimentally. In this paper, we demonstrate a route towards a scaleable source of… Weiter »Entangling a Hole Spin with a Time-Bin Photon: A Waveguide Approach for Quantum Dot Sources of Multi-Photon Entanglement
The realization of on-chip quantum gates between photons and solid-state spins is a key building block for quantum-information processors, enabling, e.g., distributed quantum computing, where remote quantum registers are interconnected… Weiter »On-chip spin-photon entanglement based on single-photon scattering
Entanglement is a powerful concept with an enormous potential for scientific and technological advances. A central focus in modern research is to extend the generation and control of entangled states… Weiter »Efficient generation of entangled multi-photon graph states from a single atom
Photonic quantum technology provides a viable route to quantum communication, quantum simulation, and quantum information processing. Recent progress has seen the realisation of boson sampling using 20 single-photons and quantum… Weiter »Quantum Interference of Identical Photons from Remote Quantum Dots
Resonance fluorescence of two-level quantum systems has emerged as a powerful tool in quantum information processing. Extension of this approach to higher-level systems provides new opportunities for quantum optics applications.… Weiter »All-optical Tuning of Indistinguishable Single-Photons Generated in Three-level Quantum Systems
Quantum information processing (QIP) with solid state spin qubits strongly depends on the efficient Quantum information processing (QIP) with solid state spin qubits strongly depends on the efficient initialisation of… Weiter »Coherence of a charge stabilised tin-vacancy spin in diamond
Color centers in silicon carbide are emerging candidates for distributed spin-based quantum applications due to the scalability of host materials and the demonstration of integration into nanophotonic resonators. Recently, silicon… Weiter »Spin-optical dynamics and quantum efficiency of single V1 center in silicon carbide
Optically active solid-state spin defects have the potential to become a versatile resource for quantum information processing applications. Nitrogen-vacancy defect centers (NV) in diamond act as quantum memories and can… Weiter »Optically coherent nitrogen-vacancy defect centers in diamond nanostructures
Semiconductor-based emitters of pairwise photonic entanglement are a promising constituent of photonic quantum technologies. They are known for the ability to generate discrete photonic states on-demand with low multiphoton emission,… Weiter »Photoneutralization of charges in GaAs quantum dot based entangled photon emitters