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NIST Authors in Bold

Displaying 76 - 100 of 4632

Argon-Ion Treatment of Multi-Material Layered Surface-Electrode Traps for Noise Mitigation

November 28, 2025
Author(s)
Dustin Hite, Tobias Schaetz, Deviprasath Palani, Florian Hasse, Philip Kiefer, Frederick Bockling, Daniel Stick, Ulrich Warring
… Electric-field noise near ion-trap electrodes limits motional coherence and represents a key obstacle to scaling trapped-ion quantum systems. Here, we investigate how in situ Ar+ … heating and dephasing in multi-material surface-electrode traps. Trapped ions serve as local probes of electric-field …

Errors in trapped-ion quantum gates due to spontaneous photon scattering

April 27, 2007
Author(s)
R Ozeri, Wayne M. Itano, Brad R. Blakestad, Joseph W. Britton, J Chiaverini, John D. Jost, C. Langer, Dietrich G. Leibfried, Rainer Reichle, Signe Seidelin, Janus Wesenberg, David J. Wineland
… We analyze the error in trapped-ion, hyperfine qubit, quantum gates due to spontaneous … the gate laser beams. We investigate the error in single-ion-qubit rotations that are based on stimulated Raman … information processing, spontaneous photon scattering, trapped-ions …

UV-sensitive superconducting nanowire single photon detectors for integration in an ion trap

April 17, 2017
Author(s)
Daniel H. Slichter, Varun B. Verma, Dietrich G. Leibfried, Richard P. Mirin, Sae Woo Nam, David J. Wineland
… processing. We operate detectors integrated into test ion trap structures at 3.8 K both with and without typical … Ion trap, Quantum detectors, Quantum computing, Quantum … nanowire single photon detectors for integration in an ion trap …

Capture and isolation of highly-charged ions in a compact Penning trap: V12

December 4, 2013
Author(s)
Samuel Brewer, Nicholas D. Guise, Joseph Tan
… to be useful for capture and storage of highly-charged ions extracted from an EBIT ion source at the National … and Technology (NIST). Highly-charged argon and neon ions extracted with energies of up to 4000 eV/Q are captured … of energetic, highly-charged ions in a unitary Penning trap. Near optimal capture conditions, ions isolated in such …

Broadening of the drumhead mode spectrum due to in-plane thermal fluctuations of two-dimensional trapped-ion crystals in a Penning trap

November 5, 2020
Author(s)
Athreya Shankar, Chen Tang, Matthew Affolter, Kevin Gilmore, Daniel H. Dubin, Scott E. Parker, Murray Holland, John Bollinger
… this work, we establish in-plane thermal fluctuations in ion positions as a major contributor to the broadening of the … For current operating conditions of the NIST Penning trap, our study suggests that the two-dimensional crystals produced in this trap undergo in-plane potential energy fluctuations in the …

100-Fold Reduction of Electric-Field Noise in an Ion Trap Cleanded with In Situ Argon-Ion-Beam Bombardment

September 7, 2012
Author(s)
Dustin Hite, Yves Colombe, Andrew C. Wilson, Kenton R. Brown, Ulrich J. Warring, Robert Jordens, John D. Jost, David P. Pappas, Dietrich Leibfried, David J. Wineland, Kyle McKay
… an in situ Ar + - beam cleaning procedure, and measuring ion heating rates before and after cleaning the trap … 100-Fold Reduction of Electric-Field Noise in an Ion Trap Cleanded with In Situ Argon-Ion-Beam Bombardment …

Surface science motivated by heating of trapped ions from the quantum ground state

October 25, 2021
Author(s)
Dustin Hite, Kyle McKay, David P. Pappas
… For the past two and a half decades, anomalous heating of trapped ions from nearby electrode surfaces has continued to … remains an obstacle for scalable quantum computation with trapped ions. One of the anomalous features of this … Trapped ions, Electric-field noise, Surface science, Kelvin …

Equilibration of the planar modes of ultracold two-dimensional ion crystals in a Penning trap

May 11, 2020
Author(s)
Chen Tang, Athreya Shankar, Daniel Dubin, Dominic Meiser, Scott Parker, John J. Bollinger
… direct numerical simulations of ultracold two-dimensional ion crystals in a Penning trap with a rotating wall. The large magnetic field of the … in-plane modes and improve the performance of single plane ion crystals for quantum information processing. … Coulomb crystals, cyclotron modes, ExB modes, Penning trap, strongly magnetized, thermal equilibration, trapped ions …

Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks

September 30, 2019
Author(s)
Aaron M. Hankin, Ethan Clements, Huang Yao, Samuel M. Brewer, Jwo-Sy Chen, Chin-wen Chou, David Hume, David Leibrandt
… for calculating the frequency shift and uncertainty of trapped-ion optical atomic clocks caused by background-gas … rate of collisions that cause reordering of mixed-species ion pairs. … atomic clocks, collisions, trapped ions … Systematic uncertainty due to background-gas collisions in trapped-ion optical clocks …

Relativistic Atomic Structure Theory for Highly-Charged Ions

February 19, 2017
Author(s)
Yong Sik Kim
… summarized with emphasis on applications to highly-charged ions. … Trapping Highly-Charged Ions: Fundamentals and Applications … atomic structure theory, highly-charged ions, relativity … Relativistic Atomic Structure Theory for Highly-Charged Ions …

Trapped-ion spin-motion coupling with microwaves and a near-motional oscillating magnetic field gradient

April 26, 2019
Author(s)
Raghavendra Srinivas, Shaun C. Burd, R. T. Sutherland, Andrew C. Wilson, David J. Wineland, Dietrich G. Leibfried, David T. Allcock, Daniel H. Slichter
… We present a new method of spin-motion coupling for trapped ions using microwaves and a magnetic field gradient … characterize this coupling experimentally using a single ion in a surface-electrode trap that incorporates … microwaves, quantum information, spin-spin coupling, trapped ions …

Penning traps with unitary architecture for storage of highly charged ions

February 15, 2012
Author(s)
Joseph N. Tan, Samuel M. Brewer, Nicholas D. Guise
… Penning traps are made extremely compact by embedding rare-earth … beam-line available for extracting highly charged ions. We present a two-magnet architecture with radial access … as well as the collection of light emission by stored ions. Highly charged ions of neon and argon, extracted with …

Near ground-state cooling of two-dimensional trapped-ion crystals with more than 100 ions

February 7, 2019
Author(s)
Judith Elena Jordan, Kevin A. Gilmore, Athreya Shankar, Arghavan Safari-Naini, Justin G. Bohnet, Murray Holland, John J. Bollinger
… modes of 2-dimensional arrays with up to N 190 Be+ ions stored in a Penning trap. Substantial sub-Doppler … EIT cooling, Penning traps, sub-Doppler cooling, trapped ions … Near ground-state cooling of two-dimensional trapped-ion crystals with more than 100 ions …

High-fidelity indirect readout of trapped-ion hyperfine qubits

April 21, 2022
Author(s)
Stephen Erickson, Jenny Wu, Panyu Hou, Daniel Cole, Shawn Geller, Alexander Kwiatkowski, Scott Glancy, Emanuel Knill, Daniel Slichter, Andrew C. Wilson, Dietrich Leibfried
… a protocol for high-fidelity indirect readout of trapped ion hyperfine qubits, where the state of a 9Be+ qubit ion is mapped to a 25Mg+ readout ion using laser-driven Raman … quantum information, trapped ions, high-fidelity measurement, quantum logic … High-fidelity indirect readout of trapped-ion hyperfine qubits …

Surface science for improved ion traps

September 30, 2013
Author(s)
David P. Pappas, Dustin Hite, Andrew C. Wilson, David T. Allcock, David J. Wineland, Dietrich Leibfried, Yves Colombe
… Surface science for improved ion traps …

Quantum Logic Spectroscopy with Ions in Thermal Motion

April 16, 2020
Author(s)
Daniel Kienzler, Yong Wan, Stephen Erickson, Jenny Wu, Andrew C. Wilson, David J. Wineland, Dietrich Leibfried
… for implementing quantum logic spectroscopy on trapped ions, which combines probe and information transfer from the … quantum logic, spectroscopy, trapped ions … Quantum Logic Spectroscopy with Ions in Thermal Motion …

High-Fidelity Quantum Control Using 9Be+ Ion Crystals in a Penning Trap

August 19, 2009
Author(s)
Michael J. Biercuk, Hermann Uys, Aaron Vandevender, Nobuyasu Shiga, Wayne M. Itano, John J. Bollinger
… We provide an introduction to the use of ion crystals in a Penning trap for experiments in quantum information. Macroscopic … arrays. The structure and dimensionality of the resulting ion crystals may be tuned using a combination of control … Trapped Ion, Quantum Information, Quantum Computing, Fidelity, …

Simulating Quantum Magnetism with Correlated Non-Neutral Ion Plasmas

August 27, 2012
Author(s)
John J. Bollinger, Joseph W. Britton, Brian C. Sawyer
… depend on the internal atomic state (or spin) of an atomic ion, the Coulomb potential energy of a strongly coupled array … effective spin interactions are engineered with trapped ion crystals. We summarize the type of effective spin … discuss an experimental implementation using single- plane ion crystals in a Penning trap. …

Measurement of the Kr XVIII 3d 2D5/2 lifetime in a Unitary Penning Trap

April 24, 2014
Author(s)
Nicholas D. Guise, Joseph Tan, Samuel Brewer, Charlotte F. Fischer, P. Jonsson
… ground configuration is measured using a compact Penning trap with < 2.2 cm3 of trapping volume. Kr17+ ions produced in an electron beam ion trap (EBIT) are extracted and captured in this unitary Penning trap, isolating them with an energy distribution that is …

Quantum Control, Quantum Information Processing, and Quantum-Limited Metrology With Trapped Ions

June 19, 2005
Author(s)
David J. Wineland, Dietrich G. Leibfried, Murray D. Barrett, A. Ben-Kish, James C. Bergquist, Brad R. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, B. L. DeMarco, David Hume, Wayne M. Itano, M J. Jensen, John D. Jost, Emanuel H. Knill, Jeroen Koelemeij, C. Langer, Windell Oskay, R Ozeri, Rainer Reichle, Till P. Rosenband, Tobias Schaetz, Piet Schmidt, Signe Seidelin
… recent experiments on quantum informaiton processing using trapped ions at NIST. A central theme of this work has been … quantum information processing, quantum-state engineering, trapped ions … Information Processing, and Quantum-Limited Metrology With Trapped Ions …

Towards scaling up trapped ion quantum information processing

June 19, 2007
Author(s)
Dietrich G. Leibfried, David J. Wineland, Brad R. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, Ryan Epstein, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, R Ozeri, Rainer Reichle, Signe Seidelin, Nobuyasu Shiga, Janus Wesenberg
… Towards scaling up trapped ion quantum information processing …
Displaying 76 - 100 of 4632
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