Electric-field noise near surfaces is a common problem in diverse areas of physics and a
limiting factor for many precision measurements. There are multiple mechanisms by which …

Motional heating of trapped atomic ions is a major obstacle to their use as quantum bits in a
scalable quantum computer. The detailed physical origin of this heating is not well …

High-fidelity two-qubit entangling gates play an important role in many quantum information
processing tasks and are a necessary building block for constructing a universal quantum …

Electrons have an intrinsic, indivisible, magnetic dipole aligned with their internal angular
momentum (spin). The magnetic interaction between two electronic spins can therefore …

We report on the implementation of a high fidelity universal gate-set on optical qubits based
on trapped 88 Sr+ ions for the purpose of quantum information processing. All coherent …

Quantum computers are expected to achieve a significant speed-up over classical
computers in solving a range of computational problems. Chains of ions held in a linear Paul …

High-fidelity single-and multiqubit operations compose the backbone of quantum
information processing. This fidelity is based on the ability to couple single-or two-qubit …

Qubits have been used as linear spectrum analyzers of their environments. Here we solve
the problem of nonlinear spectral analysis, required for discrete noise induced by a strongly …

Engineering entanglement between quantum systems often involves coupling through a
bosonic mediator, which should be disentangled from the systems at the operation's end …

Force sensors are at the heart of different technologies such as atomic force microscopy or
inertial sensing. These sensors often rely on the measurement of the displacement …