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Search Publications

NIST Authors in Bold

Displaying 1026 - 1050 of 3643

Arbitrary Control of Entanglement between Two Superconducting Resonators

July 27, 2010
Author(s)
Raymond W. Simmonds
… We present a method to synthesize an arbitrary quantum state of two superconducting resonators. This … with a tunable arti cial atom to create entangled quantum superpositions of photon number (Fock) states in the … Qubit, state transfer, quantum computing, superconductivity, Josephson junction. …

A single-photon pump

August 25, 2006
Author(s)
Kevin Osborn, Mark W. Keller
… We describe a gated quantum dot device called a single-photon pump that produces … are possible, with one mode particularly attractive for quantum cryptography applications because it cannot produce … Coulomb Blockade, device, GaAs, quantum dot, single photon …

Coalescence of Single Photons Emitted by Disparate Single Photon Sources: The Example of InAs Quantum Dots and Parametric Down-Conversion Sources

October 5, 2011
Author(s)
Sergey V. Polyakov, Andreas Muller, Alexander E. Ling, Natalia B. Rutter, Edward B. Flagg, Edward Van Keuren, Alan L. Migdall, Glenn S. Solomon
… In quantum mechanics, particles in identical states are … be indistinguishable. We show how photons produced from a quantum dot and by parametric down-conversion in a nonlinear … coalescence probability is 16%, and is limited by quantum dot decoherence. This technique can connect different …

Observation of Photons From an Inhibited Spontaneous Emitter

February 1, 2000
Author(s)
D A. Branning, Alan L. Migdall
… A fun and timely problem in cavity quantum electrodynamics is the question of whether atoms are … counterintuitively, is yes or more accurately, in the quantum-mechanical sense, yes and no. That is, even when … the field instead of the atom: the two are in an entangled quantum state that contains both possibilities. We have …

Production of Entangled Images by Four-Wave Mixing

December 1, 2008
Author(s)
Alberto M. Marino, Vincent Boyer, Raphael C. Pooser, Paul D. Lett
… One of the most important resources in quantum mechanics is entanglement, which is characterized by … As a result, it is at the basis of applications such as quantum cryptography, quantum information, teleportation, etc. The entanglement … mixing, nonlinear optics, quadrature entanglement, quantum imaging, spatial entanglement, squeezed light …

Capacitively coupled singlet-triplet qubits in the double charge resonant regime

December 1, 2015
Author(s)
Vanita Srinivasa, Jacob M. Taylor
… entangling two singlet-triplet qubits in adjacent double quantum dots via capacitive interactions. In contrast to … of phonon-induced decay for pairs of GaAs or Si double quantum dots vary with the sizes of the dipolar and … quantum dots, quantum gates, electron spin, qubits, quantum …

Time-resolved double-slit interference pattern measurement with entangled photons

April 28, 2014
Author(s)
Lynden K. Shalm, Thomas Jennewein, Kevin Resch, Piotr Kolenderski, Carmelo Scarcella, Kelsey D. Johnsen Johnsen, Deny Hamel, Cahterine Holloway, Simone Tisa, Alberto Tosi
… strikingly demonstrates the wave-particle duality of quantum objects. In this famous experiment, particles pass … pattern. The analysis of the buildup allows us to compare quantum mechanics and the corpuscular model, which aims to … experiment, and can be used as a valuable resource in quantum information applications. …

Measuring VHF Detector Linearity using a Quantum-Based Source

August 30, 2024
Author(s)
Jeremy Thomas, Nathan Flowers-Jacobs, Anna Fox, Alain Rufenacht, Paul Dresselhaus
… junctions located in a cryocooler and driven to produce quantum-based ac waveforms at frequencies up to 50.05 MHz and … is operating correctly by measuring the dc bias current quantum-locking range and then measure the system output … Measuring VHF Detector Linearity using a Quantum-Based Source …

Tuning single-electron charging and interactions between compressible Landau level islands in graphene

January 29, 2020
Author(s)
Daniel T. Walkup, Fereshte Ghahari Kermani, Christopher Guti?rrez, Kenji Watanabe, Takashi Taniguchi, Nikolai B. Zhitenev, Joseph A. Stroscio
… Interacting quantum dots (QDs), small chunks of matter with … been extensively exploited in condensed matter physics and quantum information science. Using a low-temperature scanning … we create and study QDs in graphene, a highly interacting quantum relativistic system. Single or multiple interacting, …

Experiments at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks

June 12, 1995
Author(s)
C Monroe, A S. Barton, James C. Bergquist, D J. Berkeland, John Bollinger, F C. Cruz, Wayne M. Itano, Steven R. Jefferts, Branislav M. Jelenkovic, B E. King, D M. Meekhof, J D. Miller, M E. Poitzsch, Joseph N. Tan
… Jaynes-Cummings model interaction for atomic motion and a quantum controlled-NOT gate applicable to a quantum computer. … at NIST with Trapped Ions: 3-D Zero-Point Cooling, Quantum Gates, Bragg Scattering, and Atomic Clocks …

Grover search and the no-signaling principle

September 14, 2016
Author(s)
Ning Bao, Bouland Adam, Stephen P. Jordan
… processing point of view, two of the key properties of quantum physics are the no-signaling principle and the Grover … despite admitting stronger-than-classical correlations, quantum mechanics does not imply polynomial-time brute force … are connected. We examine four classes of deviations from quantum mechanics, for which we draw inspiration from the …

Valley Phase and Voltage Control of Coherent Manipulation in Si Quantum Dots

June 28, 2017
Author(s)
Neil M. Zimmerman, Peihao Huang, Dimitrie Culcer
… can take on a random value. This random value, in double quantum dots, causes a large change in the exchange … then show that, with lateral control of the position of a quantum dot using a gate voltage, the valley−orbit phase can … Phase and Voltage Control of Coherent Manipulation in Si Quantum Dots …

Trapped-Ion Quantum Logic Gates Based on Oscillating Magnetic Fields

August 29, 2008
Author(s)
Christian Ospelkaus, Christopher Langer, Jason Amini, Kenton R. Brown, Dietrich G. Leibfried, David J. Wineland
… single-qubit rotations and entangling multi-qubit quantum gates for trapped-ion quantum information processing (QIP). With fields generated … Trapped-Ion Quantum Logic Gates Based on Oscillating Magnetic Fields …

Field-Tunable Quantum Disordered Ground State in the Triangular-Lattice Antiferromagnet NaYbO 2

October 1, 2019
Author(s)
Mitchell M. Bordelon, Eric Kenney, Chunxiao Liu, Tom Hogan, Lorenzo Posthuma, Marzieh Kavand, Yuangqi Lyu, Mark Sherwin, Nicholas Butch, Craig Brown, M. J. Graf, Leon Balents, Stephen D. Wilson
… One of the simplest routes to pursuing magnets with strong quantum fluctuations that quench conventional order is via … to 50 mK. Magnetic field strongly perturbs the resulting quantum disordered ground state and drives the formation … J eff =1/2 moments in NaYbO 2 realizes an unconventional, quantum-disordered ground state whose critical phase …

Interface-Driven Ferromagnetism within the Quantum Wells of a Rare Earth Titanate Superlattice

July 15, 2016
Author(s)
R. F. Need, B. J. Isaac, Brian Kirby, Julie Borchers, S. Stemmer, Stephen D. Wilson
… magnetic order is induced throughout the volume of SrTiO 3 quantum wells embedded within a GdTiO 3 matrix until a … critical thickness, the induced magnetic order within the quantum wells comprises the likely origin of quantum critical magnetotransport in this thin film …

The Nature of Spin Excitations in the One-Third Magnetization Plateau Phase of Ba 3 CoSb 2 O 9

July 10, 2018
Author(s)
Y. Kamiya, L. Ge, Tao Hong, Yiming Qiu, D. L. Quintero-Castro, Z. Lu, H. B. Cao, M. Matsuda, E. S. Choi, C. D. Batista, M. Mourigal, H. D. Zhou, J. Ma
… plateau. This enables an investigation on the role of quantum fluctuations and the validity of a previously … the anomalous zero-field spin dynamics has an intrinsic quantum mechanical origin. … quantum spin liquid, neutron scattering …

Quantum Dot-DNA Origami Binding : A Single Particle, 3D, Real-Time Tracking Study

January 2, 2013
Author(s)
Kan K. Du, Seung-Hyeon Ko, Gregg M. Gallatin, Heayoung Yoon, James Alexander Liddle, Andrew J. Berglund
… The binding process of quantum dots and DNA origami was monitored using a 3D, … function, g2(τ), were combined to distinguish free quantum dots from different conjugates of nQdot-origami. … Quantum Dot-DNA Origami Binding : A Single Particle, 3D, …

Spin Excitations and the Fermi Surface of Superconducting FeS

March 10, 2017
Author(s)
Haoran Man, Jiangang Guo, Rui Zhang, Rico U. Schonemann, Zhiping Yin, Mingxuan Fu, Matthew B. Stone, Qingzhen Huang, Yu Song, Weiyi Wang, David J. Singh, Felix Lochner, Tillman Hickel, Ilya Eremin, Leland Harriger, Jeffrey W. Lynn, Collin L. Broholm, Luis Balicas, Qimiao Si, Pengcheng Dai
… Nature Partner Journals Quantum Materials … iron superconductors, nematic spin correlations, quantum critical point, FeS, stripe correlations' …

Fabrication of High-Speed and High-Density Single-Flux-Quantum Circuits at NIST

June 11, 2017
Author(s)
David Olaya, Paul Dresselhaus, Pete Hopkins, Samuel P. Benz
… The development of a fabrication process for single-flux-quantum (SFQ) digital circuits is a fundamental part of the … effort to develop a gigahertz waveform synthesizer with quantum voltage accuracy. This paper describes the current … Fabrication of High-Speed and High-Density Single-Flux-Quantum Circuits at NIST …

Efficient fiber optic detection of trapped ion flourescence

July 9, 2010
Author(s)
Aaron Vandevender, Yves Colombe, Jason Amini, Dietrich G. Leibfried, David J. Wineland
… optics may play a critical role in the development of quantum information processors based on trapped ions, atoms, and quantum dots. Fibers could help enable a scalable and … ion traps, optical fibers, quantum information …
Displaying 1026 - 1050 of 3643
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