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NIST Authors in Bold

Displaying 976 - 1000 of 9848

Temperature-dependent Saturation Fluence in InGaAs Quantum Dots Based on Direct Absorption Measurements

May 21, 2006
Author(s)
K. E. Choc, N. A. Brilliant, Steven T. Cundiff, Kevin L. Silverman, Richard Mirin
… measurement of the absorption of an ensemble of InGaAs quantum dots using a heterodyne multibounce technique reveals … Conference on Lasers and Electro-Optics (CLEO ) and the Quantum Electronics and Laser Science Conference (QELS ) … Temperature-dependent Saturation Fluence in InGaAs Quantum Dots Based on Direct Absorption Measurements …

Design of a Metal-Organic Framework with Enhanced Back Bonding for the Separation of N 2 and CH 4

January 15, 2014
Author(s)
Kyuho Lee, III Isley, Allison L. Dzubak, Pragya Verma, Samuel J. Stoneburner, Li-Chiang Lin, Joshua D. Howe, Eric D. Bloch, Douglas A. Reed, Matthew Ross Hudson, Craig Brown, Jeffrey R. Long, Jeffrey Neaton, Berend Smit, Christopher J. Cramer, Donald G. Truhlar, Laura Gagliardi
… number of possible framework structures, one hopes that quantum mechanical computations can guide the syntheses of … separations, porous materials, Metal-organic frameworks, quantum mechanical computations, powder neutron diffraction …

Evolution of Microscopic Localization in Graphene in a Magnetic Field: From Scattering Resonances to Quantum Dots.

January 9, 2011
Author(s)
Suyong S. Jung, Gregory M. Rutter, Nikolai Klimov, David B. Newell, Irene G. Calizo, Angela R. Hight Walker, Nikolai Zhitenev, Joseph A. Stroscio
… charge density is changed with a gate potential. Under quantum Hall conditions when the electronic states are … electron gas breaks into a network of interacting quantum dots formed at the potential hills and valleys of the … tunneling microscopy, scanning tunneling spectroscopy, quantum Hall …

Insulator-quantum Hall transition in monolayer epitaxial graphene

July 22, 2016
Author(s)
Lung-I Huang, Yanfei Yang, Randolph Elmquist, Shun-Tsung Lo, Fan-Hung H. Liu, Chi-Te Laing
… (rho)sub(xx), which are signatures of the insulator-quantum Hall (I-QH) transition, in all three devices. Upon … graphene, Landau level, quantum Hall effect, disorder, conductivity … Insulator-quantum Hall transition in monolayer epitaxial graphene …

Efficient photon pair sources based on Silicon-on-Insulator microresonators

August 30, 2010
Author(s)
Jun Chen, Zachary H. Levine, Jingyun Fan, Alan L. Migdall
… We present a general quantum-mechanical formalism to describe photon pair … ones, and are shown to be superior. Such on-chip quantum devices are highly promising for future integrated quantum information processing. … Quantum Communications and Quantum Imaging VIII Proceedings …

Probing the dynamic fluorescence properties of single water-soluble quantum dots

April 1, 2008
Author(s)
J R. Krogmeier, Hyeong G. Kang, Matthew L. Clarke, p Yim, Jeeseong Hwang
… on the dynamic fluorescence properties of single quantum dots (QDs) are probed using a combined confocal … microscope, exciton, fluorescence, nanocrystal, single quantum dot, water-soluble quantum dot … dynamic fluorescence properties of single water-soluble quantum dots …

Nature and Measure of Entanglement in Quantum Phase Transactions

October 1, 2004
Author(s)
Rolando Somma, Gerardo Ortiz, Howard Barnum, Emanuel Knill, Lorenza Viola
… form and so do not change the concurrence. Hence for a quantum computation v=k1 a k2, analysis of a in e A allows … in terms of a time-reversal symmetry operator, namely the quantum bit flip |?> ? (-i sy) (x)n | ?*> . In this context, … Nature and Measure of Entanglement in Quantum Phase Transactions …

Quantum Mirages in Scanning Tunneling Spectroscopy of Kondo Adsorbates: Vibrational Signatures

December 1, 2003
Author(s)
John William Gadzuk, M Plihal
… of suitable two-dimensional nanostructures (such as quantum corrals) to influence the surface electron transport … position and width, vibrational, relaxation, and quantum corral] are of comparable magnitude in realistic … kondo systems, nanostructures, quantum corrals, STM, surface vibrational spectroscopy …

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 …

Sands of Time: An External Stopwatch for Measuring the Timing of Events in a Computer or Distributed Computing Environment

September 1, 2006
Author(s)
Eric D. Simmon, Ya-Shian Li-Baboud, John V. Messina
… is not a trivial task. Due to the virtual nature of a computer system, most conventional operating system provide … Advanced Process Control, Benchmarking, distributed computing, software performance … External Stopwatch for Measuring the Timing of Events in a Computer or Distributed Computing Environment …

Optical amplitude and Phase Modulation Dynamics at the Single Photon Level in a Quantum Dot Ridge Waveguide

November 17, 2016
Author(s)
Galan A. Moody, Corey A. McDonald, Ari D. Feldman, Todd E. Harvey, Richard P. Mirin, Kevin L. Silverman
… response of spectral hole-burning from InAs/GaAs charged quantum dots. We observe an ultra-narrow spectral hole in the quantum dot absorption profile and a corresponding dispersive … for quadrature modulation at faint photon levels using quantum dots with several independent control parameters, …

Sideband cooling of micromechanical motion to the quantum ground state

July 6, 2011
Author(s)
John Teufel, Tobias Donner, Dale Li, Michael S. Allman, Katarina Cicak, Adam Sirois, Jed D. Whittaker, Konrad Lehnert, Raymond Simmonds
… of many atomic-scale systems, fuelling progress towards quantum computing with trapped ions and generating new states … between light and motion. However, entering the quantum regime—in which a system has less than a single quantum of motion—has been difficult because sideband cooling …

Intercomparison of a Correlated-Photon-Based Method to Measure Detector Quantum Efficiency

May 1, 2002
Author(s)
Alan L. Migdall, Stefania Castelletto, Ivo P. Degiovanni, M L. Rastello
… We report on the absolute calibration of photodetector quantum efficiency using correlated photon sources, performed … parametric downconversion setups in both laboratories. The quantum efficiency of a single photon counting avalanche … downconversion, photon counting, primary standard, quantum efficiency, two-photons …

Testing Three-body Quantum Electrodynamics with Trapped Ti-20 Ions: Evidence for a Z-Dependent Divergence between Experiment and Calculation

October 10, 2012
Author(s)
Lawrence T. Hudson, C T. Chantler, Mark N. Kinnane, John D. Gillaspy, A.T. Payne, L F. Smale, Albert Henins, Joseph N. Tan, J A. Kimpton, E Takacs, K Makonyi, Joshua M. Pomeroy
… This measurement is one of few sensitive to two-electron quantum electrodynamics (QED) contributions. Systematic … quantum electrodynamics, highly-charged ions, helium-like … Testing Three-body Quantum Electrodynamics with Trapped Ti-20 Ions: Evidence for …

Experimental Implementation of 1310 nm Differential Phase Shift QKD System with Up-conversion Detectors

May 6, 2008
Author(s)
Lijun Ma, Hai Xu, Tiejun Chang, Oliver T. Slattery, Xiao Tang
… have experimentally implemented a differential phase shift quantum-key distribution system with up-conversion detectors … Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science, CLEO/QUELS Conference … differential phase shift, quantum key distribution, up-conversion detectors …

Engineering Informatics: Introduction to the Special Issue

March 1, 2008
Author(s)
Sudarsan Rachuri, Eswaran Subrahmanian
… of the terms that have emerged over the last 50 years of computing in engineering. Codification and automation of … tracked advancements in computer and information sciences. Computing, algorithms, computational methods, and engineering … accepted and envisioned as contributing to the field of computing and information sciences. …

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
… to perform an absolute calibration of the detector quantum efficiency and characterize its dependence on … photon detector, single photon detector, ion trap, quantum measurement, quantum computing …
Displaying 976 - 1000 of 9848
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