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NIST Authors in Bold

Displaying 626 - 650 of 9848

Observation of an isomerizing double-well quantum system in the condensed phase

January 10, 2020
Author(s)
Varun Verma, Jascha A. Lau, Arnab Choudhury, Li Chen, Dirk Schwarzer, Alec M. Wodtke
… Molecules are quantum objects; therefore, isomerization fundamentally involves quantum states bound within a molecular potential energy … points have been characterized. However, to observe the quantum nature of isomerization, we must study model systems … quantum, condensed phase, superconducting nanowire, …

Software and Computer Integrated Manufacturing

August 1, 1990
Author(s)
Howard Bloom
… outlines present and future directions for software in a Computer Integrated Manufacturing (CIM) environment. The … CIM, computer integrated manufacturing … Software and Computer Integrated Manufacturing …

Computer-Aided Manufacturing System Engineering

June 1, 1993
Author(s)
Charles R. McLean
… A new type of computer-aided engineering environment is envisioned which … National Institute of Standards and Technology (NIST) on computer-aided manufacturing system engineering environments … be addressed, and describes work on a current prototype computer-aided manufacturing system engineering environment. …

Critical Evaluation of Thermodynamic Properties for Halobenzoic Acids Through Consistency Analyses for Results from Experiment and Computational Chemistry

June 14, 2017
Author(s)
Robert D. Chirico, Andrei F. Kazakov, Ala Bazyleva, Vladimir Diky, Kenneth Kroenlein, Vladimir N. Emel'yanenko, Sergey P. Verevkin
… acids are critically evaluated through application of computational chemistry methods for the ideal-gas phase and … Consistency Analyses for Results from Experiment and Computational Chemistry …

Preparation and coherent manipulation of pure quantum states of a single molecular ion

May 11, 2017
Author(s)
Chin-Wen Chou, Christoph Kurz, David B. Hume, Philipp N. Plessow, David R. Leibrandt, Dietrich G. Leibfried
… structure, this level of measurement precision and quantum-state control has been reached only in a very limited … we experimentally demonstrate a general method for pure quantum state preparation and coherent manipulation … initial states. In this way, we solve both the problems of quantum state preparation and detection in an isolated …

Effective Use of Computing Technology in Vote-Tallying

April 1, 1978
Author(s)
Roy Saltman
… encountered in fourteen elections in which electronic computing technology was utilized. Methods of assuring more … computer security, computing technology, election administration, public … Effective Use of Computing Technology in Vote-Tallying …

Mid-infrared molecular spectroscopy in the quantum noise limit

March 31, 2016
Author(s)
David A. Long, Adam J. Fleisher, Qingnan Liu, Joseph T. Hodges
… A cavity ring-down spectrometer was used to reach the quantum noise limit in the mid-infrared spectral region. Quantum noise was observed not only in the individual … Quantum noise, Cavity ring-down spectroscopy, Mid-infrared … Mid-infrared molecular spectroscopy in the quantum noise limit …

Generation of optical Schrodinger cat states by number-resolved squeezed photon subtraction

July 23, 2010
Author(s)
Thomas Gerrits, Scott C. Glancy, Tracy S. Clement, Brice R. Calkins, Adriana E. Lita, Aaron J. Miller, Alan L. Migdall, Aaron J. Miller, Sae Woo Nam, Richard P. Mirin, Emanuel H. Knill
… was a -0.116 +0.073 -0.019 , a clear indication for the quantum character of the generated cat state. As predicted by … number resolving capabilities are the route to perform quantum information experiments with high generation rates … Quantum Communication, Measurement and Computing (QCMC) …

Computer Security Considerations in Federal Procurements: A Guide for Procurement Initiators, Contracting Officers, and Computer Security Officials

March 2, 1992
Author(s)
Barbara Guttman
… federal procurement initiators, contracting officers, and computer security officials on including computer security in acquisitions. To accomplish this goal, computer security and federal information processing (FIP) … acquisition, assurance, computer security, procurement, requirements analysis, risk …

Interaction-driven quantum Hall wedding cake-like structures in graphene quantum dots

August 24, 2018
Author(s)
Christopher Gutierrez, Daniel T. Walkup, Fereshte Ghahari Kermani, Cyprian Lewandowski, Joaquin R. Nieva, Kenji Watanabe, Takashi Taniguchi, Leonid Levitov, Nikolai Zhitenev, Joseph A. Stroscio
… Despite long-standing interest, direct observation of quantum-relativistic matter under ambient conditions was … can yield unique insights into the behaviour of quantum- relativistic matter under extreme conditions. … graphene, quantum dots, scanning tunneling microscopy, scanning …

Multiscale Modeling of Germanium Quantum Dots in Silicon

December 30, 2005
Author(s)
Vinod Tewary, David T. Read
… A method is described for multiscale modeling of a quantum dot in a semiconductor containing a free surface. The … nonlinear discrete lattice effects inside and close to the quantum dot, discrete lattice structure of the solid at the atomistic scale near the quantum dot and reduces asymptotically to the macroscopic …

Advancements in Computational Wind Engineering Workshop Report

December 13, 2023
Author(s)
Donald Scott, Jennifer Goupil, Melissa Burton, Catherine Gorle, Ahsan Kareem, Ted Stathopoulos, Bradley Young
… 133ND22PNB730391 to develop workshops on Advancement in Computational Wind Engineering and Advancement in … documents the results of the workshop on Advancement in Computational Wind Engineering. The workshop and subsequent … roadmap for the standardization and application of computational wind engineering is to be developed by wind …

Tightly Confined Surface Acoustic Waves as Microwave-to-Optical Transduction Platforms in the Quantum Regime

September 26, 2022
Author(s)
Ryan DeCrescent, Zixuan Wang, Poolad Imany, Robert Boutelle, Corey McDonald, Travis Autry, John Teufel, Sae Woo Nam, Richard Mirin
… Surface acoustic waves (SAWs) coupled to quantum dots (QDs), trapped atoms and ions, and point defects have been proposed as quantum transduction platforms, yet the requisite coupling … Gaussian SAW cavities at ∼3.6 GHz on GaAs in the quantum regime, with mode volumes approaching 6λ^3. Employing …

Observation of chiral photocurrent transport in the quantum Hall regime in graphene

May 24, 2021
Author(s)
Glenn S. Solomon, Olivier Gazzano, Bin Cao, Jiuning Hu, David B. Newell, Tobias Huber, Michael Gullans, Mohammad Hafezi, Tobias Grass
… a powerful tool to investigate non-equilibrium physics in quantum Hall systems. Moreover, the length scale associated … graphene through photocurrent measurements in the integer quantum Hall regime. We observe that the photocurrent … graphene, Integer quantum Hall, photocurrent …

Bimodal Size Distribution of Self-Assembled InGaAs Quantum Dots

September 23, 2002
Author(s)
Solveig Anders, C. S. Kim, Benjamin D. Klein, Mark W. Keller, Richard Mirin
… energy level quantization in self-assembled InGaAs quantum dots that are embedded In a GaAs matrix. We use … These techniques suggest that the size distribution of the quantum dots contains two well-separated peaks. Transmission … distribution and further shows that the big and the small quantum dots have different shapes. In addition, we use an …

Experimental Demonstration of a Detection-time-bin-shift Polarization Encoding Quantum Key Distribution System

June 6, 2008
Author(s)
Lijun Ma, Tiejun Chang, Alan Mink, Oliver T. Slattery, Barry J. Hershman, Xiao Tang
… of a single photon detector between two photon bases in a quantum key distribution (QKD) system. This scheme can … sifted keys at a rate of more than 1 Mbit/s with a quantum bit error rate (QBER) lower than 2% over 1.1 km of … detection-time-bin-shift, quantum cryptography, quantum key distribution …

Quantum-correlated photon pairs generated in commercial 45 nm complementary metal-oxide semiconductor microelectronics

July 7, 2015
Author(s)
Cale M. Gentry, Jeff Shainline, Mark W. Wade, Martin Stevens, Shellee D. Dyer, Xiaoge Zeng, Fabio Pavanello, Thomas Gerrits, Sae Woo Nam, Richard Mirin, Milos A. Popovic
… Correlated photon pairs are a fundamental component of quantum photonic systems. While pair sources have previously … electronics. Here we report the first demonstration of quantum-correlated photon pair generation in a device … of commercial CMOS microelectronics as an advanced quantum photonics platform where state-of-the-art high-speed …

Quantum key distribution at GHz transmission rates

February 11, 2008
Author(s)
Alessandro Restelli, Joshua C. Bienfang, Alan Mink, Charles W. Clark
… Quantum key distribution (QKD) channels are typically … We demonstrate a QKD system operating continuously at a quantum-channel transmission rate of 1.25 GHz, with dedicated … free-space optical communication, quantum key distribution, single-photon … Quantum key distribution at GHz transmission rates …

Recovering quantum gates from few average gate fidelities

October 24, 2018
Author(s)
Yi-Kai Liu, Ingo Roth, Richard Kueng, Shelby Kimmel, David Gross, Jens Eisert, Martin Kliesch
… Characterizing quantum processes is a key task in and constitutes a challenge for the development of quantum technologies, especially at the noisy intermediate … Compressed sensing techniques achieve full tomography of quantum channels essentially at optimal resource efficiency. …
Displaying 626 - 650 of 9848
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