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Search Publications

NIST Authors in Bold

Displaying 726 - 750 of 3643

Transport of Quantum States and Separation of Ions in a Dual RF Ion Trap

January 1, 2002
Author(s)
M A. Rowe, A Ben kish, B. L. DeMarco, Dietrich Leibfried, V Meyer, Joseph W. Britton, J Hughes, Branislav M. Jelenkovic, Christopher Langer, Till P. Rosenband, David J. Wineland
… Quantum Information & Computation … Transport of Quantum States and Separation of Ions in a Dual RF Ion Trap …

Resource theory of quantum uncomplexity

October 21, 2021
Author(s)
Nicole Halpern, Naga Kothakonda, Jonas Haferkamp, Anthony Munson, Jens Eisert, Philippe Faist
… Quantum complexity is emerging as a key property of many-body … including black holes, topological materials, and early quantum computers. A state's complexity quantifies the number … the more useful the state is as input to a quantum computation. Separately, resource theories -- simple …

Expansion of the High Field-Boosted Superconductivity in UTe 2 under Pressure

September 6, 2021
Author(s)
Sheng N. Ran, Shanta R. Saha, I-Lin Liu, David Graf, Johnpierre N. Paglione, Nicholas Butch
… can approach the zero-field value in the extreme quantum limit 1,2,4 . Because most superconductors undergo … is induced by Landau-quantization effects approaching the quantum limit. Demonstration of a new method of stabilizing … a broad class of both fundamental and applied research in quantum materials. …

Quantum computing hardware for HEP algorithms and sensing

April 19, 2022
Author(s)
Corey Rae McRae
… Quantum information science harnesses the principles of quantum mechanics to realize computational algorithms with … computer platforms. Typical applications range from quantum chemistry to optimization problems and also include … Quantum computing hardware for HEP algorithms and sensing …

Hybrid integrated quantum photonic circuits

April 13, 2020
Author(s)
Ali Elshaari, Wolfram Pernice, Kartik Srinivasan, Oliver Benson, Val Zwiller
… Recent development in chip-based photonic quantum circuits has radically impacted the ways in which we can process quantum information. However, it is challenging for any one … photonics platform to meet the stringent demands for most quantum applications. Hybrid platforms that combine different …

Quantum information processing and multiplexing with trapped ions

January 1, 2003
Author(s)
David J. Wineland, Dietrich G. Leibfried, B. L. DeMarco, V Meyer, M A. Rowe, A Ben kish, Murray D. Barrett, Joseph W. Britton, J Hughes, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, D Lucas, Till P. Rosenband
… We report experiments on coherent quantum-state synthesis and control of trapped atomic ions. … This work has the overall goal of performing large-scale quantum information processing; however, such techniques can … also be applied to fundamental tests and demonstrations of quantum mechanical principles, as well as to the improvement …

Towards quantum information with trapped ions at NIST

January 1, 2003
Author(s)
Dietrich G. Leibfried, B. L. DeMarco, V Meyer, M A. Rowe, A Ben-kish, Murray D. Barrett, Joseph W. Britton, J Hughes, Wayne M. Itano, Branislav M. Jelenkovic, Christopher Langer, D Lucas, Till P. Rosenband, David J. Wineland
… We report experiments on coherent quantum-state synthesis and the control of trapped atomic … This work has the overall goal of performing large-scale quantum information processing; however, such techniques can … also be applied to fundamental tests and demonstrations of quantum mechanical principles, as well as to the improvement …

Achieving meV tunneling resolution in an in-operando scanning tunneling microscopy, atomic force microscopy, and magnetotransport system for quantum materials research

July 6, 2020
Author(s)
Johannes Schwenk, Sungmin Kim, Julian Berwanger, Fereshte Ghahari Kermani, Daniel T. Walkup, Marlou R. Slot, Son T. Le, W. G. Cullen, Steven R. Blankenship, Sasa Vranjkovic, Hans Hug, Young Kuk, Franz Giessibl, Joseph A. Stroscio
… Research in new quantum materials require multi-mode measurements spanning … than previous instrument reports and comparable to the quantum and thermal limits set by the operating temperature … atomic force microscopy, tunneling spectroscopy, quantum transport … atomic force microscopy, and magnetotransport system for quantum materials research …

Quantum Teleportation with Atomic Qubits

October 16, 2008
Author(s)
J Chiaverini, T Schaetz, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel Knill, C. Langer, Dietrich Leibfried, R Ozeri, David J. Wineland
… atom trapping and cooling, quantum control, quantum information processing, quantum-state engineering, trapped ions … Quantum Teleportation with Atomic Qubits …

Nonexponential Blinking Kinetics of Single CdSe Quantum Dots: A Universal Power Law Behavior

February 1, 2000
Author(s)
M Kuno, D P. Fromm, H F. Hamann, Alan Gallagher, David Nesbitt
… have studied the fluorescence intermittency of single CdSe quantum dots (17-29 radius) overcoated with ZnS. Optical … blinking kinetics, fluorescence, intermittency, power law, quantum dot, single molecule … Nonexponential Blinking Kinetics of Single CdSe Quantum Dots: A Universal Power Law Behavior …

Current Status of the Quantum Metrology Triangle

January 18, 2008
Author(s)
Mark W. Keller
… The quantum metrology triangle is a test of the consistency of three quantum electrical standards: the single-electron tunneling … current standard, the Josephson voltage standard, and the quantum Hall resistance standard. This paper considers what … Current Status of the Quantum Metrology Triangle …

Immunomodulatory Effects of Macrolide Antibiotics in Sulfur Mustard Exposed Airway Epithelial Cells: Quantum Dots-Mediated Immunocytochemical Analysis of iNOS and Diaminofluorescein-Mediated Flow Cytometric Analysis of Intracellular Nitric Oxide

October 12, 2021
Author(s)
X P. Gao, Radharaman Ray, Yan Xiao, Peter E. Barker, Prabhati Ray
… This response, quantitated by both flow cytometry and quantum dot-visualized antibodies, is returned to normal iNOS … macrolide antibotics, quantum dot fluorophores, sulfur mustard … in Sulfur Mustard Exposed Airway Epithelial Cells: Quantum Dots-Mediated Immunocytochemical Analysis of iNOS and …

Nonlinear Optics Quantum Computing with Circuit QED

February 5, 2013
Author(s)
Prabin Adhikari, Mohammad Hafezi, Jacob Taylor
… One approach to quantum information processing is to use photons as quantum bits and rely on linear optical elements for most … some optical nonlinearity is necessary to enable universal quantum computing. Here, we suggest a circuit-QED approach to … Nonlinear Optics Quantum Computing with Circuit QED …

MICROMETROLOGY IN PURSUIT OF QUANTUM RADIATION STANDARDS

November 9, 2021
Author(s)
Ryan P. Fitzgerald, Zeeshan Ahmed, Denis E. Bergeron, Nikolai Klimov, Dan Schmidt, Ronald Tosh
… precision by developing primary standards based on quantum metrology, thereby to realize the Quantum SI. For the becquerel (Bq) and gray (Gy), the derived … radiation is difficult to manage at the atomic scale, and quantum coherences are easily lost in the cascade of …

Simultaneous, Full Characterization of a Single-Photon State

November 15, 2017
Author(s)
Tim O. Thomay, Sergey Polyakov, Elizabeth A. Goldschmidt, Glenn S. Solomon, Olivier Gazzano, Vivien Loo
… sources become more mature and are used more often in quantum information, communications, and measurement … is often characterized by its brightness, as well as two quantum properties: the suppression of multiphoton content … distribution of Fock states to third order for a quantum light source. We find n≥3 number-resolving detectors …

Techniques for microwave near-field quantum control of trapped ions

January 31, 2013
Author(s)
Ulrich J. Warring, C. Ospelkaus, Yves Colombe, Kenton R. Brown, Jason Amini, M Carsjens, Dietrich G. Leibfried, David J. Wineland
… et al. [Nature 476, 181 (2011)] a microwave near-field quantum control of spin and motional degrees of freedom of … ion trapping, mechanical effects of light on ions, quantum computation architectures and implementations, zeeman … Techniques for microwave near-field quantum control of trapped ions …

Preparation of entangled states through Hilbert space engineering

September 28, 2016
Author(s)
Yiheng Lin, John P. Gaebler, Florentin Reiter, Ting R. Tan, Ryan S. Bowler, Yong Wan, Adam C. Keith, Emanuel Knill, Kevin Coakley, Dietrich Leibfried, David J. Wineland, Scott Glancy
… Entangled states are a crucial resource for quantum-based technologies such as quantum computers and quantum communication systems. Exploring new methods for … Entanglement, Quantum computation, Quantum information processing, Quantum state manipulation, …

Sub-Natural-Linewidth Quantum Interference Features Observed in Photoassociation of a Thermal Gas

October 7, 2005
Author(s)
R Dumke, J D. Weinstein, M Johanning, Kevin Jones, Paul D. Lett
… the natural linewidth of the excited molecular state. The quantum interference which gives rise to this effect is … laser cooling, photoassociation, photoionization, quantum interference, spectroscopy … Sub-Natural-Linewidth Quantum Interference Features Observed in Photoassociation of …

GaAs Buffer Layer Morphology and Lateral Distributions of InGaAs Quantum Dots

May 1, 2005
Author(s)
Alexana Roshko, Todd E. Harvey, Susan Y. Lehman, Richard Mirin, Kristine A. Bertness, Brittany Hyland
… density and height distributions of self-assembled InGaAs quantum dots (QDs) grown on these buffers by molecular beam … layers, density, GaAs, InGaAs, morphology, nucleation, QD, quantum dots … Layer Morphology and Lateral Distributions of InGaAs Quantum Dots …

Generating GHZ states with squeezing and post-selection

June 1, 2020
Author(s)
Byron Alexander, Hermann Uys, John Bollinger
… Many quantum state preparation methods rely on a combination of dissipative quantum state initialization, followed by unitary evolution … target state. Here we demonstrate the usefulness of quantum measurement as an additional tool for quantum state … GHZ states, post selection, quantum measurement, quantum sensing, quantum state …

Demonstration of a Fundamental Universal Quantum Logic Gate

January 1, 1995
Author(s)
C Monroe, D M. Meekhof, B E. King, Wayne M. Itano, David J. Wineland
… We demonstrate the operation of a two-bit "controlled-NOT" quantum logic gate, which, in conjunction with simple single-bit operations, forms a universal quantum logic gate for quantum computation. The two quantum bits are stored in the … Demonstration of a Fundamental Universal Quantum Logic Gate …

Quantum Harmonic Oscillator State Synthesis and Analysis

January 1, 1997
Author(s)
Wayne M. Itano, C R. Monroe, D M. Meekhof, Dietrich G. Leibfried, B E. King, David J. Wineland
… single beryllium ions in a Paul trap to the ground (n = 0) quantum harmonic oscillator state with greater than 90% … From this starting point, we can put the atom into various quantum states of motion by application of optical and rf … (the coherent states), while others are intrinsically quantum, such as number states or squeezed states. We have …
Displaying 726 - 750 of 3643
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