Discrete frequency modes, or bins, present a blend of opportunities and challenges for
photonic quantum information processing. Frequency-bin-encoded photons are readily …

Quantum computation and communication exploit the quantum properties of superposition
and entanglement in order to perform tasks that may be impossible using classical means. In …

The practical construction of scalable quantum-computer hardware capable of executing
nontrivial quantum algorithms will require the juxtaposition of different types of quantum …

Quantum information science involves the storage, manipulation and communication of
information encoded in quantum systems, where the phenomena of superposition and …

We observe violation of a Bell inequality between the quantum states of two remote Yb+ ions
separated by a distance of about 1 m with the detection loophole closed. The heralded …

Quantum links between physically separated modules are important for scaling many
quantum computing technologies. The key metrics are the generation rate and fidelity of …

Trapped atomic ions are among the most attractive implementations of quantum bits for
applications in quantum-information processing, owing to their long trapping lifetimes and …

Precision control over hybrid physical systems at the quantum level is important for the
realization of many quantum-based technologies. In the field of quantum information …

The electron spin state of a singly charged semiconductor quantum dot has been shown to
form a suitable single qubit for quantum computing architectures with fast gate times. A key …

We report reliable transport of Be+ 9 ions through an “X junction” in a 2D trap array that
includes a separate loading and reservoir zone. During transport the ion's kinetic energy in …