850 citations · 3.2k across the 25 of their papers we have counts for
25 papers
Software compensation of trigger-synchronous control-frame errors in qubits and qudits
Gaurav A. Tathed, Nicholas C. F. Zutt, Collin J. C. Epstein +1
Quantum control experiments are often subject to coherent, time-dependent disturbances that vary over timescales comparable to the experiment duration. We show that when such distu…
Quantum logic operations and algorithms in a single 25-level atomic qudit
Pei Jiang Low, Nicholas C. F. Zutt, Gaurav A. Tathed +1
Scaling quantum computers remains a substantial scientific and technological challenge. Leveraging the full range of intrinsic degrees of freedom in quantum systems offers a promis…
Microgram Ablation Targets for Trapped Ion Experiments
Noah Greenberg, Akbar Jahangiri Jozani, Collin J. C. Epstein +3
Trapped ions for quantum information processing has been an area of intense study due to the extraordinarily high fidelity operations that have been reported experimentally. Specif…
Trapping with Seven-fold Enhanced Efficiency Utilizing an Autoionizing Resonance
Noah Greenberg, Brendan M. White, Pei Jiang Low +1
Trapped ions have emerged as a front runner in quantum information processing due to their identical nature, all-to-all connectivity, and high fidelity quantum operations. As curre…
Control and Readout of a 13-level Trapped Ion Qudit
Pei Jiang Low, Brendan White, Crystal Senko
To implement useful quantum algorithms which demonstrate quantum advantage, we must scale currently demonstrated quantum computers up significantly. Leading platforms such as trapp…
A guided light system for agile individual addressing of Ba qubits with level intensity crosstalk
Ali Binai-Motlagh, Matthew Day, Nikolay Videnov +3
Trapped ions are one of the leading platforms for quantum information processing, exhibiting the highest gate and measurement fidelities of all contending hardware. In order to rea…
Limits on atomic qubit control from laser noise
Matthew L Day, Pei Jiang Low, Brendan M White +2
Technical noise present in laser systems can limit their ability to perform high fidelity quantum control of atomic qubits. The ultimate fidelity floor for atomic qubits driven wit…
Isotope-Selective Laser Ablation Ion-Trap Loading of using a Target
Brendan M. White, Pei Jiang Low, Yvette de Sereville +4
The ion is a promising candidate as a high-fidelity qubit, and the isotope is promising as a high-fidelity qudit (). Barium metal i…
Programming the full stack of an open-access quantum computer
Virginia Frey, Richard Rademacher, Elijah Durso-Sabina +5
We present a new quantum programming language called "Quala" that enables true full-stack programming of quantum hardware. Quala allows seamless integration of abstraction layers s…
Programmable Quantum Simulations of Spin Systems with Trapped Ions
C. Monroe, W. C. Campbell, L. -M. Duan +10
Laser-cooled and trapped atomic ions form an ideal standard for the simulation of interacting quantum spin models. Effective spins are represented by appropriate internal energy le…
Strong coupling of two individually controlled atoms via a nanophotonic cavity
Polnop Samutpraphoot, Tamara Ðorđević, Paloma L. Ocola +4
We demonstrate photon-mediated interactions between two individually trapped atoms coupled to a nanophotonic cavity. Specifically, we observe superradiant line broadening when the…
Practical trapped-ion protocols for universal qudit-based quantum computing
Pei Jiang Low, Brendan M. White, Andrew A. Cox +2
The notion of universal quantum computation can be generalized to multi-level qudits, which offer advantages in resource usage and algorithmic efficiencies. Trapped ions, which are…
Non-thermalization in trapped atomic ion spin chains
P. W. Hess, P. Becker, H. B. Kaplan +10
Linear arrays of trapped and laser cooled atomic ions are a versatile platform for studying emergent phenomena in strongly-interacting many-body systems. Effective spins are encode…
Cold Matter Assembled Atom-by-Atom
Manuel Endres, Hannes Bernien, Alexander Keesling +7
The realization of large-scale fully controllable quantum systems is an exciting frontier in modern physical science. We use atom-by-atom assembly to implement a novel platform for…
Experimental Realization of a Quantum Integer-Spin Chain with Controllable Interactions
C. Senko, P. Richerme, J. Smith +4
The physics of interacting integer-spin chains has been a topic of intense theoretical interest, particularly in the context of symmetry-protected topological phases. However, ther…
Coherent Imaging Spectroscopy of a Quantum Many-Body Spin System
C. Senko, J. Smith, P. Richerme +3
Quantum simulators, in which well controlled quantum systems are used to reproduce the dynamics of less understood ones, have the potential to explore physics that is inaccessible…
Non-local propagation of correlations in long-range interacting quantum systems
Philip Richerme, Zhe-Xuan Gong, Aaron Lee +6
The maximum speed with which information can propagate in a quantum many-body system directly affects how quickly disparate parts of the system can become correlated and how diffic…
Beat note stabilization of mode-locked lasers for quantum information processing
R. Islam, W. C. Campbell, T. Choi +18
We stabilize a chosen radiofrequency beat note between two optical fields derived from the same mode-locked laser pulse train, in order to coherently manipulate quantum information…
Quantum Control of Qubits and Atomic Motion Using Ultrafast Laser Pulses
J. Mizrahi, B. Neyenhuis, K. Johnson +4
Pulsed lasers offer significant advantages over CW lasers in the coherent control of qubits. Here we review the theoretical and experimental aspects of controlling the internal and…
Experimental Performance of a Quantum Simulator: Optimizing Adiabatic Evolution and Identifying Many-Body Ground States
Philip Richerme, Crystal Senko, Jacob Smith +3
We use local adiabatic evolution to experimentally create and determine the ground state spin ordering of a fully-connected Ising model with up to 14 spins. Local adiabatic evoluti…
Quantum Catalysis of Magnetic Phase Transitions in a Quantum Simulator
Philip Richerme, Crystal Senko, Simcha Korenblit +5
We control quantum fluctuations to create the ground state magnetic phases of a classical Ising model with a tunable longitudinal magnetic field using a system of 6 to 10 atomic io…
Emergence and Frustration of Magnetic Order with Variable-Range Interactions in a Trapped Ion Quantum Simulator
R. Islam, C. Senko, W. C. Campbell +7
Frustration, or the competition between interacting components of a network, is often responsible for the complexity of many body systems, from social and neural networks to protei…
Ultrafast Spin-Motion Entanglement and Interferometry with a Single Atom
J. Mizrahi, C. Senko, B. Neyenhuis +4
We report entanglement of a single atom's hyperfine spin state with its motional state in a timescale of less than 3 ns. We engineer a short train of intense laser pulses to impart…
Ultrafast Gates for Single Atomic Qubits
W. C. Campbell, J. Mizrahi, Q. Quraishi +6
We demonstrate single qubit operations on a trapped atom hyperfine qubit using a single ultrafast pulse from a mode-locked laser. We shape the pulse from the laser and perform a pi…