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NIST Authors in Bold

Displaying 751 - 775 of 3643

Dirac fermion heating, current scaling, and direct insulator-quantum Hall transition in multi-layer epitaxial graphene

August 1, 2013
Author(s)
Randolph E. Elmquist, Fan-Hung Liu, Chang-Shun Hsu, Chiashain Chuang, Tak-Pong Woo, Lung-I Huang Huang, Chi-Te Laing, Yasuhiro Fukuyama, Yanfei Yang
… rxx which is equivalent to the direct insulator-quantum Hall (I-QH) transition characterized by a … Quantum Hall effect, longitudinal resistivity, Dirac fermion … fermion heating, current scaling, and direct insulator-quantum Hall transition in multi-layer epitaxial graphene …

Incorporation of random alloy GaBixAs1-x barriers in InAs quantum dot molecules: Energy levels and confined hole states

February 22, 2019
Author(s)
Arthur Lin, Matthew Doty, Garnett W. Bryant
… Self-assembled InAs quantum dots (QDs), which have long hole spin coherence times … consists of vertically stacking two InAs QDs to create a quantum dot molecule (QDM) and using the spin-mixing … quantum dots, hole spins, optical control, alloys, qubits … Incorporation of random alloy GaBixAs1-x barriers in InAs quantum dot molecules: Energy levels and confined hole states …

Quantum depletion of a soliton condensate

April 25, 2006
Author(s)
Lu Deng, Guoxiang Huang
… Bogoliubov–de Gennes equations, we calculate exactly the quantum depletion of the condensate and show that two … translational-symmetry breaking of the system, induce the quantum diffusion and transverse instability of the soliton … Quantum depletion of a soliton condensate …

On/Off Fluorescence Intermittency of Single Semiconductor Quantum Dots

July 1, 2001
Author(s)
M Kuno, D P. Fromm, H F. Hamann, Alan Gallagher, David Nesbitt
… intermittency in colloidal H-VI (CdSe) semiconductor quantum dots. two distinct modes of behavior are observed … distributed kinetics, inverse power law, nanocrystallites, quantum dots single molecule spectroscop … On/Off Fluorescence Intermittency of Single Semiconductor Quantum Dots …

High-resolution spectroscopic measurements of InGaAs/GaAs self-assembled quantum dots

May 12, 2006
Author(s)
Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman
… basic physical properties of InGaAs/GaAs self-assembled quantum dots(SAQDs). Absorptive spectroscopic measurements … cavity ring-down spectroscopy, self-assembled quantum dots, spectral hole burning … spectroscopic measurements of InGaAs/GaAs self-assembled quantum dots …

Nonlinear and Quantum Atom Optics

March 1, 2002
Author(s)
S L. Rolston, William D. Phillips
… (BECs) have led to the development of non-linear and quantum atom optics, the deBroglie-wave analogs to non-linear and quantum optics with light. Four-wave mixing of matter waves … have been measured, the beginning of the field of quantum atom optics, which is concerned with the statisical …

Quantum Capacitance-Limited MoS2 Biosensors Enable Remote Label-Free Enzyme Measurements

August 7, 2019
Author(s)
Son T. Le, Nicholas B. Guros, Robert C. Bruce, Antonio Cardone, Niranjana D. Amin, Siyuan Zhang, Jeffery B. Klauda, Harish C. Pant, Curt A. Richter, Arvind Balijepalli
… We have demonstrated atomically thin, quantum capacitance-limited, field-effect transistors (FETs) … FET, enzymes, kinetics, pH sensing, quantum capacitance … Quantum Capacitance-Limited MoS2 Biosensors Enable Remote …

Interactive quantum information sensing and a test of quantum gravitational communication

September 15, 2021
Author(s)
Jacob Taylor, Daniel Carney, H Muller
… general relativity: the coherent communication of quantum information between massive objects through gravity. … To do this, we introduce the concept of interactive quantum information sensing, a protocol tailored to the … Interactive quantum information sensing and a test of quantum …

Entanglement Dynamics in 1D Quantum Cellular Automata

October 12, 2021
Author(s)
G K. Brennen, J E. Williams
… Several proposed schemes for the physical realization of a quantum computer consist of qubits arranged in a cellular array. In the quantum circuit model of quantum computation, an often complex series of two-qubit … Entanglement Dynamics in 1D Quantum Cellular Automata …

Multiscale Modeling of Lattice Defects in Si-Ge(001) Quantum Wells

April 9, 2008
Author(s)
B. Yang, Vinod Tewary
… discrete core structure of lattice defects in Si-Ge(001) quantum wells (QWs) which are of contemporary technological … to model the point defects and an extended defect like the quantum well in a unified formalism. Nonlinear effects in the … function, Kanzaki force, multiscale model, point defect, quantum well, silicon-germanium-silicon trilayer …

Architecture for a Large-Scale Ion-Trap Quantum Computer

January 1, 2002
Author(s)
D Kielpinski, C R. Monroe, David J. Wineland
… Among the numerous types of architecture being explored for quantum computers are systems utilizing ion traps, in which quantum bits (qubits) are formed from the electronic states … interaction. Although the elementary requirements for quantum computation have been demonstrated in this system, …

Advancing Quantum Information Science: Unlocking Secrets

October 12, 2021
Author(s)
Laura M. Ost, Carl J. Williams
… entanglement, quantum architectures, quantum computing, quantum criptography, quantum information, quantum key … Advancing Quantum Information Science: Unlocking Secrets …

Homogeneous Linewidth Narrowing of the Charged Exciton via Nuclear Spin Screening in an InAs/GaAs Quantum Dot Ensemble

November 18, 2014
Author(s)
Galan A. Moody, Mingming M. Feng, Corey A. McDonald, Richard P. Mirin, Kevin L. Silverman
… In semiconductor quantum dots, the electron hyperfine interaction with the … exciton dephasing rate, gamma, in an ensemble of InAs/GaAs quantum dots. We find that gamma is sensitive to the strength … Quantum Dots, Charged Excitons, Hyperfine Interaction, … Charged Exciton via Nuclear Spin Screening in an InAs/GaAs Quantum Dot Ensemble …

Quantum Logic with a Few Trapped Ions

January 1, 1998
Author(s)
C Monroe, Wayne M. Itano, D Kielpinski, B E. King, Dietrich Leibfried, C J. Myatt, Q A. Turchette, David J. Wineland, Chris S. Wood
… last several years for their possible application toward quantum computation. This paper considers quantum logic schemes for small numbers of ions in the … Quantum Logic with a Few Trapped Ions …

Absolute spectroscopy of N2O near 4.5 um with a comb-calibrated, frequency-swept quantum cascade laser spectrometer

January 14, 2013
Author(s)
Kevin O. Knabe, Paul A. Williams, Fabrizio R. Giorgetta, Michael Radunsky, Chris Armacost, Sam Crivello, Nathan R. Newbury
… swept laser spectrometer consisting of an external-cavity quantum cascade laser whose instantaneous frequency was … Spectroscopy, quantum cascade laser, nitrous oxide, N2O, optical frequency … of N2O near 4.5 um with a comb-calibrated, frequency-swept quantum cascade laser spectrometer …

Probing Dynamic Fluorescence Properties of Single and Clustered Quantum Dots Towards Quantitative Biomedical Imaging of Cells

October 28, 2009
Author(s)
Hyeong G. Kang, Fuyuki Tokumasu, Matthew L. Clarke, Zhenping Zhou, Jianyong Tang, Tinh Nguyen, Jeeseong Hwang
… fluorescence properties of bioconjugated nanocrystals or quantum dots (QDs) in different chemical and physical … Quantum dot, Nano-assembly, Fluorescent nanoparticle, Protein … Dynamic Fluorescence Properties of Single and Clustered Quantum Dots Towards Quantitative Biomedical Imaging of Cells …

Single-qubit-gate error below 10 -4 in a trapped ion

September 14, 2011
Author(s)
Kenton R. Brown, Andrew C. Wilson, Yves Colombe, Christian Ospeklaus, Adam M. Meier, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland
… In theory, quantum computers can solve certain problems much more … efforts to construct and verify devices that manipulate quantum bits (qubits) in a variety of physical systems [2]. The power of quantum computers depends on the ability to accurately … atom, ion, quantum gate, quantum computer, gate error, qubit, benchmark, …

Optimizing Passive Quantum Clocks

October 8, 2014
Author(s)
Michael J. Mullan, Emanuel Knill
… heisenberg limit, semidefinite programming, quantum logic clocks, standard quantum limit … Optimizing Passive Quantum Clocks …

Strong Quantum Fluctuations in a Quantum Spin Liquid Candidate with a Co-Based Triangular Lattice

July 15, 2019
Author(s)
Ruidan Zhong, Shu Guo, Guangyong Xu, Zhijun Xu, Robert J. Cava
… matter physics, both theoretically and experimentally, are quantum spin liquid (QSL) states, in which no long-range … ordering appears at low temperatures due to strong quantum fluctuations of the magnetic moments. The existing … intrinsic disadvantages, however, and solid evidence for quantum fluctuations is scarce. Here we report a new …

Joint Spectral Measurements at the Hong-Ou-Mandel Interference Dip

January 29, 2013
Author(s)
Thomas Gerrits, Francesco F. Marsili, Varun B. Verma, Adriana E. Lita, Antia A. Lamas-Linares, Jeffrey A. Stern, Matthew Shaw, William Farr, Richard P. Mirin, Sae Woo Nam
… Conference on Quantum Communication, Measurement and Computing … Abstracts Conference on Quantum Communication, Measurement and Computing …
Displaying 751 - 775 of 3643
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