Universal control of multiple qubits—the ability to entangle qubits and to perform arbitrary
individual qubit operations—is a fundamental resource for quantum computing, simulation …

Entanglement generation in trapped-ion systems has relied thus far on two distinct but
related geometric phase gate techniques: Mølmer-Sørensen and light-shift gates. We …

We report high-fidelity laser-beam-induced quantum logic gates on magnetic-field-
insensitive qubits comprised of hyperfine states in Be 9+ ions with a memory coherence time …

Quantum simulation of spin models can provide insight into problems that are difficult or
impossible to study with classical computers. Trapped ions are an established platform for …

Quantum entanglement is the central resource behind quantum information science, from
quantum computation and simulation, to enhanced metrology and secure communication …

The bound state in the continuum (BIC) explores the extraordinary optical properties of a
system possessing wave characteristics that gained recent importance for practical …

Quantum computers can efficiently solve classically intractable problems, such as the
factorization of a large number and the simulation of quantum many-body systems …

We demonstrate a two-qubit logic gate driven by near-field microwaves in a room-
temperature microfabricated surface ion trap. We introduce a dynamically decoupled gate …

Effectively manipulating quantum computing (QC) hardware in the presence of imperfect
devices and control systems is a central challenge in realizing useful quantum computers …

We demonstrate entangling quantum gates within a chain of five trapped ion qubits by
optimally shaping optical fields that couple to multiple collective modes of motion. We …