Trapped ions are among the most promising systems for practical quantum computing (QC).
The basic requirements for universal QC have all been demonstrated with ions, and …

Moving trapped-ion qubits in a microstructured array of radiofrequency traps offers a route
toward realizing scalable quantum processing nodes. Establishing such nodes, providing …

The availability of a universal quantum computer may have a fundamental impact on a vast
number of research fields and on society as a whole. An increasingly large scientific and …

The long coherence times and strong Coulomb interactions afforded by trapped ion qubits
have enabled realizations of the necessary primitives for quantum information processing …

Trapped-ion quantum information processors store information in atomic ions maintained in
position in free space by electric fields. Quantum logic is enacted through manipulation of …

Multiplexed operations and extended coherent control over multiple trap** sites are
fundamental requirements for a trapped-ion processor in a large-scale architecture. Here …

We report high-fidelity state readout of a trapped ion qubit using a trap-integrated photon
detector. We determine the hyperfine qubit state of a single Be+ 9 ion held in a surface …

Atomic ions trapped in electromagnetic potentials have long been used for fundamental
studies in quantum physics. Over the past two decades, trapped ions have been …

Trapped-ion quantum-information processors offer many advantages for achieving high-
fidelity operations on a large number of qubits, but current experiments require bulky …

We report on the demonstration of fluorescence detection from a trapped ion using single-
photon avalanche photodiodes (SPADs) monolithically integrated with a microfabricated …