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 …

Ion traps offer the opportunity to study fundamental quantum systems with a high level of
accuracy highly decoupled from the environment. Individual atomic ions can be controlled …

Individual trapped atomic qubits represent one of the most promising technologies to scale
quantum computers, owing to their low idle errors and the ability to implement a full set of …

Trapped ions are a promising tool for building a large-scale quantum computer. However,
the number of required radiation fields for the realization of quantum gates in any proposed …

Optical precision spectroscopy of isotope shifts can be used to test for new forces beyond
the standard model, and to determine basic properties of atomic nuclei. We measure isotope …

Constructing a large-scale ion trap quantum processor will require entangling gate
operations that are robust in the presence of noise and experimental imperfection. We …

Microfabricated ion traps are a major advancement towards scalable quantum computing
with trapped ions. The development of more versatile ion-trap designs, in which tailored …

A major obstacle in the way of practical quantum computing is achieving scalable and robust
high-fidelity entangling gates. To this end, quantum control has become an essential tool, as …

In recent decades there has been a rapid development of methods to experimentally control
individual quantum systems. A broad range of quantum control methods has been …

We demonstrate a method for preparing and detecting all eigenstates of a three-level
microwave dressed system with a single trapped ion. The method significantly reduces the …