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NIST Authors in Bold

Displaying 51 - 75 of 4632

Quantum information processing and metrology with trapped ions

January 25, 2011
Author(s)
David J. Wineland, Dietrich G. Leibfried
… simple algorithms. We discuss the potential of trapped ions to reach fault-tolerant error levels in a … quantum information processing, quantum state control, trapped ions … Quantum information processing and metrology with trapped ions …

Trap-integrated superconducting nanowire single-photon detectors for trapped-ion qubit state readout

June 7, 2024
Author(s)
Benedikt Hampel, Daniel Slichter, Dietrich Leibfried, Richard Mirin, Varun Verma
… State readout of trapped-ion qubits is usually achieved by observing … photon detectors for fluorescence detection into the ion trap itself may benefit the development of many-qubit setups … detectors (SNSPDs) are promising candidates for trap-integrated detectors for high-fidelity trapped-ion qubit …

Dissipative preparation of W states in trapped ion systems

July 2, 2021
Author(s)
Daniel Cole, Jenny Wu, Stephen Erickson, Panyu Hou, Andrew C. Wilson, Dietrich Leibfried, Florentin Reiter
… that a fidelity of 98 % may be achieved in typical trapped ion experiments with 1 ms interaction time. Our … Dissipative preparation of W states in trapped ion systems …

Microwave quantum logic gates for trapped ions

August 11, 2011
Author(s)
Dietrich G. Leibfried, Christian Ospelkaus, Ulrich J. Warring, Yves Colombe, Kenton R. Brown, J. M. Amini, David J. Wineland
… microwave control, quantum information processing, trapped ions … Microwave quantum logic gates for trapped ions …

Modeling near ground-state cooling of two-dimensional ion crystals in a Penning trap using electromagnetically induced transparency

February 7, 2019
Author(s)
Athreya Shankar, Elena Jordan, Kevin Gilmore, Arghavan Safavi-Naini, John J. Bollinger, Murray Holland
… motional drumhead modes, transverse to the plane of the ion crystal, degrade the quality of quantum simulations. … investigate the efficiency of EIT cooling of planar ion crystals in a Penning trap, accounting for complications arising from the nature of … Modeling near ground-state cooling of two-dimensional ion crystals in a Penning trap using electromagnetically …

State Readout of a Trapped Ion Qubit Using a Trap-integrated Superconducting Photon Detector

January 6, 2021
Author(s)
Susanna L. Todaro, Varun Verma, Katherine C. McCormick, David T. Allcock, Richard Mirin, David J. Wineland, Sae Woo Nam, Andrew C. Wilson, Dietrich Leibfried, Daniel Slichter
… $^9$Be$^+$ ion confined in a surface- electrode rf ion trap, using a superconducting nanowire single photon detector integrated directly into the trap. We achieve a qubit readout fidelity of 99.91(1) % with … photon detector, single photon detector, ion trap, quantum measurement, quantum computing …

Transport dynamics in a high-brightness magneto-optical-trap Li ion source

September 15, 2020
Author(s)
Jamie Gardner, William R. McGehee, Mark D. Stiles, Jabez J. McClelland
… methods for generating high brightness ions for focused ion beam applications. These sources produce ions by … emittance, high-brightness ion beam. In a magneto- optical-trap-based ion source, the brightness is ultimately limited … the dynamics of this transport in a 7Li magneto-optical trap ion source (MOTIS) by performing time-dependent …

Quantum gate teleportation between separated zones of a trapped-ion processor

May 31, 2019
Author(s)
Yong Wan, Daniel Kienzler, Stephen D. Erickson, Karl H. Mayer, Ting R. Tan, Jenny J. Wu, Hilma H. Macedo De Vasconcelos, Scott C. Glancy, Emanuel H. Knill, David J. Wineland, Andrew C. Wilson, Dietrich G. Leibfried
… qubits in spatially separated zones of a segmented ion trap. Our teleported CNOT's entanglement fidelity was in … at the 95% confidence level. The implementation combines ion shuttling with individually addressed single qubit … thereby demonstrating essential tools for scaling trapped-ion quantum computers combined in a single device. …

Demonstration of a dressed-state phase gate for trapped ions

June 28, 2013
Author(s)
Ting Rei Tan, John P. Gaebler, Ryan S. Bowler, Yiheng Lin, John D. Jost, Dietrich G. Leibfried, David J. Wineland
… compared to some other entangling gates with trapped ions. We achieve a Bell state fidelity of 0.974(4) … dynamical decoupling, trapped ions, quantum information processing, quantum … Demonstration of a dressed-state phase gate for trapped ions …

Trapped Ion Quantum Information Processing with Squeezed Phonons

January 24, 2019
Author(s)
Wenchao Ge, Brian Sawyer, Joseph W. Britton, Kurt Jacobs, John Bollinger, Michael Foss-Feig
… in multi-ion systems, an important ingredient for scalable trapped ion quantum computation. Our results are also … Trapped Ion Quantum Information Processing with Squeezed …

VECSEL systems for quantum information processing with trapped beryllium ions

March 10, 2023
Author(s)
Shaun C. Burd, Jussi-Pekka Penttinen, Panyu Hou, Hannah Knaack, Sanna Ranta, Mika Maki, Emmi Kantola, Mircea Guina, Daniel Slichter, Dietrich Leibfried, Andrew C. Wilson
… are suitable for quantum information processing with trapped beryllium ions. Each system consists of a compact, single-frequency, … to 41 mW of 313 nm light that is used to laser cool trapped 9Be+ ions and quantum state preparation and … VECSEL, trapped-ion, quantum information processing …

Measurement of electric-field noise from interchangeable samples with a trapped-ion sensor

November 18, 2021
Author(s)
Kyle McKay, Dustin Hite, Philip D. Kent, Shlomi S. Kotler, Dietrich Leibfried, Daniel Slichter, Andrew C. Wilson, David P. Pappas
… We demonstrate the use of a single trapped ion as a sensor to probe electric-field noise from … ion-trap-like samples with patterned Au electrodes. This trapped-ion sensor could be combined with other surface … Atomic Physics, Surface Science, Quantum Computing, Trapped-ion sensors, Surface characterization tools, …

Highly Charged Ion Studies at the NIST EBIT

January 1, 2001
Author(s)
L P. Ratliff, J R. Roberts
… Highly Charged Ion Studies at the NIST EBIT … atoms, EBIT, electron beam ion trap, highly charged ions, ions … Highly Charged Ion Studies at the NIST EBIT …

The Potential of Highly Charged Ions: Possible Future Applications

September 1, 2007
Author(s)
John D. Gillaspy, Joshua M. Pomeroy, A C. Perrella, Holger Grube
… International Conference on the Physics of Highly Charged Ions. It briefly updates and extends an earlier review given … International Conference on the Physics Highly Charged Ions Proceedings … electron beam ion trap, euv lithography, highly charged ions, magnetic tunnel junctions, nanocrystals …

Experimental Issues in Coherent Quantum-State Manipulation of Trapped Atomic Ions,

January 1, 1998
Author(s)
David J. Wineland, C Monroe, Wayne M. Itano, Dietrich G. Leibfried, B E. King, D M. Meekhof
… and limitations to, the generation of entangled states of trapped atomic ions are examined. As much as possible, state manipulations … Some potential applications for entangled states of trapped-ions which lie outside the immediate realm of quantum … trapping, quantum computation, quantum state engineering, trapped ions …

EUV Spectroscopy of Highly Charged Xenon Ions Created Using an Electron Beam Ion Trap

March 27, 2007
Author(s)
K Fahy, E Sokell, G O'Sullivan, A Aguilar, Joshua M. Pomeroy, Joseph N. Tan, John D. Gillaspy
… At the NIST Electron Beam Ion Trap (EBIT), extreme-ultraviolet spectra of xenon ions have been recorded using a flat-field spectrometer. The … clectron beam ion trap, Cowan code, EUV, extreme ultraviolet, highly charge ions, multiply charged ions, spectroscopy, Xenon …

Quantum information processing with trapped ions

July 25, 2004
Author(s)
Murray D. Barrett, Tobias Schaetz, J Chiaverini, Dietrich Leibfried, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel Knill, C. Langer, R Ozeri, David J. Wineland
… processing, quantum-state engineering, teleportation, trapped ions … Quantum information processing with trapped ions …

Indirect Cooling of Weakly Coupled Trapped-Ion Mechanical Oscillators

April 2, 2024
Author(s)
Panyu Hou, Jenny Wu, Stephen Erickson, Giorgio Zarantonello, Adam Brandt, Daniel Cole, Andrew C. Wilson, Daniel Slichter, Dietrich Leibfried
… Cooling the motion of trapped ions to near the quantum ground state is crucial for … and quantum metrology. However, some motional modes of trapped ions are difficult to cool because they only interact … with weak or zero cooling radiation interaction in two-ion and three-ion crystals of the same and mixed ion species, …

A stroboscopic approach to trapped-ion quantum information processing with squeezed phonons

October 24, 2019
Author(s)
Wenchao Ge, Brian C. Sawyer, Joseph W. Britton, Kurt Jacobs, Michael Foss-Feig, John Bollinger
… In trapped-ion quantum information processing, interactions between … (qubits) are mediated by collective modes of motion of an ion crystal. While there are many different experimental … strategy for enhancing the interaction strengths in trapped-ion systems via parametric amplification of the ions' …

A Miniature EBIT with Ion Extraction for Isolating Highly Charged Ions

May 28, 2015
Author(s)
Shannon Hoogerheide, Joseph Tan
… development of a room-temperature miniature electron beam ion trap (EBIT) for efficient production of charge states … and electric potential necessary for the production of ions in the EBIT. In addition to radial access for in-EBIT … select a single charge state to be isolated in a secondary ion trap for further study. One goal is the production of …

Magneto-Optical-Trap-Based, High Brightness Ion Source for Use as a Nanoscale Probe

August 21, 2008
Author(s)
James L. Hanssen, Shannon B. Hill, Jon Orloff, Jabez J. McClelland
… on the demonstration of a low emittance, high brightness ion source based on magneto-optically trapped neutral atoms. Our source has ion optical properties comparable to or better than those of the commonly used liquid metal ion source. In addition, it has several advantages that offer …

Coherent coupling and non-destructive measurement of trapped-ion mechanical oscillators

July 29, 2024
Author(s)
Panyu Hou, Jenny Wu, Stephen Erickson, Daniel Cole, Giorgio Zarantonello, Adam Brandt, Andrew C. Wilson, Daniel Slichter, Dietrich Leibfried
… for their use as quantum platforms. The motional modes of trapped ions can be individually controlled and have good … between spectrally separated harmonic motional modes of a trapped-ion crystal. The timing, strength, and phase of the coupling … Coupled quantum harmonic oscillators, trapped ions, quantum information processing, bosonic error …

Amplitude sensing below the zero-point fluctuations with a two-dimensional trapped-ion mechanical oscillator

June 29, 2017
Author(s)
Kevin A. Gilmore, Justin G. Bohnet, Brian C. Sawyer, Joseph W. Britton, John J. Bollinger
… of a center-of-mass (COM) motion of a two-dimensional ion crystal composed of 100 ions in a Penning trap. For … the mechanical oscillation to the electron spins of the trapped ions, enabling a strong measurement of one quadrature … sensing, force sensing, Penning trap, quantum sensing, trapped ions, zero-point fluctuations …
Displaying 51 - 75 of 4632
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