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NIST Authors in Bold

Displaying 1276 - 1300 of 9848

Tunable quantum beat of single photons enabled by nonlinear nanophotonics

November 22, 2019
Author(s)
Qing Li, Anshuman Singh, Xiyuan Lu, John Lawall, Varun Verma, Richard Mirin, Sae Woo Nam, Kartik Srinivasan
… promising approach for scalable implementation of diverse quantum resources at the chip-scale. Here, we demonstrate the integration of two essential building blocks for quantum information science - quantum sources and frequency converters - in the silicon …

Fast Ground State to Ground State Separation of Small Ion Crystals

October 10, 2024
Author(s)
Tyler Gugliemo, Dietrich Leibfried, Stephen Libby, Daniel Slichter
… different subsets is critical for realizing trapped ion quantum computing architectures where ions are rearranged in trap … equations of motion of the ions to describe their quantum evolution under the influence of a time-dependent … trapped ions, quantum information, ion separation, mixed species …

Manipulating Quantum Dots to Nanometer Precision by Control of Flow

May 28, 2010
Author(s)
Chad Ropp, Roland Probst, Zachary Cummins, Rakesh Kumar, Andrew J. Berglund, Srinivasa R. Raghavan, Edo Waks, Benjamin Shapiro
… Controlled manipulation of quantum dots with nanometer precision is an essential … particle size, making it difficult to manipulate single quantum dots. Here we demonstrate a particle manipulation … with particle size, enabling us to position colloidal quantum dots to within the best positioning accuracies …

Heat capacity and decomposition of rimantadine hydrochloride

January 30, 2020
Author(s)
Ala Bazyleva, Yauheni Paulechka, Dzmitry H. Zaitsau, Andrey V. Blokhin, Gennady J. Kabo
… effusion method and thermogravimetry with a support of quantum chemical calculations. The enthalpy of decomposition … with the necessary molecular parameters computed using quantum chemical methods. Enthalpy of formation of … decomposition, effusion, thermogravimetric analysis, quantum-chemistry calculations …

Consolidated Compartment Fire Model (CCFM) Computer Code Application CCFM.VENTS. Part 3. Catalog of Algorithms and Subroutines (NISTIR 4344)

July 1, 1990
Author(s)
Leonard Y. Cooper, Glenn P. Forney
… a new-generation, multi-room, compartment fire model computer code, called the Consolidated Compartment Fire Model (CCFM) computer code. The ideas was that such a code would … is a catalog of all the modular algorithms and associated computer subroutines used to simulate the physical phenomena …

Development of Computational Framework for Titanium Alloy Phase Transformation Prediction in Laser Powder-bed Direct Energy Additive Manufacturing

October 16, 2020
Author(s)
Zhi Liang, Ivan Zhirnov, Fan Zhang, Kevontrez K. Jones, David C. Deisenroth, Maureen E. Williams, Ursula R. Kattner, Kil-Won Moon, Wing-Kam Liu, Brandon M. Lane, Carelyn E. Campbell
… bare metal single laser track validation experiments, a computational framework is proposed to accelerate the design … (AM) specific alloys. Specifically, Additive Manufacturing-Computational fluid dynamics (AM- CFD) and Calculation of … CALPHAD, Computational fluid dynamics, Additive manufacturing, …

Computer Security Division 2015 Annual Report

August 10, 2016
Author(s)
Patrick D. O'Reilly, Gregory A. Witte, Larry Feldman
… responsibilities under this law. The primary goal of the Computer Security Division (CSD), a component of NIST s … annual report, Computer Security Division, CSD, cybersecurity, information … Computer Security Division 2015 Annual Report …

Computer Security Division 2014 Annual Report

August 20, 2015
Author(s)
Patrick D. O'Reilly, Gregory A. Witte, Larry Feldman
… responsibilities under this law. The primary goal of the Computer Security Division (CSD), a component of NIST s … annual report, Computer Security Division, CSD, cybersecurity, information … Computer Security Division 2014 Annual Report …

Indistinguishability of single photons from dissimilar single-photon sources

June 14, 2011
Author(s)
Sergey V. Polyakov, Glenn S. Solomon, Edward B. Flagg, Alan L. Migdall, Andreas Muller
… In quantum mechanics, particles in identical states are … we demonstrate that photons produced from two separate quantum dots are indistinguishable. Further, we show that … can be manipulated to be indistinguishable from those from quantum dots. The quantum interference in both experiments …

The Quantum Electro-Mechanical Metrology Suite

March 27, 2024
Author(s)
Frank Seifert, Lorenz Keck, David B. Newell, Darine El Haddad
… is building a robust open-source hardware and software Quantum Electro-Mechanical Metrology Suite (QEMMS) that can provide quantum voltage, resistance, current, mass, and force … The Quantum Electro-Mechanical Metrology Suite …

Cryogenic Calibration of a Quantum-based Radio Frequency Source

November 2, 2020
Author(s)
Alirio De Jesus Soares Boaventura, Justus A. Brevik, Dylan Williams, Anna E. Fox, Manuel C. Castellanos Beltran, Peter F. Hopkins, Paul D. Dresselhaus, Samuel P. Benz
… We report on the calibration of quantum-based radio frequency waveforms generated by a … calibration, quantum-based radio frequency waveforms, Josephson arbitrary … Cryogenic Calibration of a Quantum-based Radio Frequency Source …

Using Nonoscillatory Splines to Model Urban Environments

January 15, 2004
Author(s)
David E. Gilsinn, Marjorie A. McClain, Christoph J. Witzgall
… case. We also discuss some of the details involved with computing these splines on irregularly spaced data. … 8th SIAM Conference on Geometric Design and Computing … of the 8th SIAM Conference on Geometric Design and Computing …

Overwhelming thermomechanical motion with microwave radiation pressure shot noise

August 21, 2015
Author(s)
John D. Teufel, Florent Q. Lecocq, Raymond W. Simmonds
… fundamental sources of noises that enforce the standard quantum limit: the measurement imprecision and … backaction from photon shot noise. We demonstrate that the quantum backaction of the measurement can overwhelm the … nanomechanics, quantum measurement, standard quantum limit, superconductivity …

High-dimensional hyperentanglement of mode-locked two-photon states

June 29, 2015
Author(s)
Zhenda Xie, Tian Zhong, Sajan Shrestha, XinAn Xu, Junlin Liang, Yan-Xiao Gong, Alessandro Restelli, Jeffrey Shapiro, Franco N. Wong, Chee Wei Wong, Joshua Bienfang
… Quantum entanglement is the fundamental resource for quantum information processing and communications, including … and better error resilience [1-9]. In dense-coded quantum communication channels, it is desirable to encode … Quantum optics, Entanglement, Quantum Communications, …

Effect of Nonresonant Frequencies on the Enhancement of Quantum Beat Amplitudes in Rovibrational States of Li 2 : The Role of State Spacing

December 1, 2002
Author(s)
E Mirowski, H U. Stauffer, J B. Ballard, B Zhang, C L. Hetherington, S R. Leone
… centered at 800 nm provides quantitative comparison of two quantum beat amplitudes as a function of applied phases in … 2-photon transition, femtosecond, quantum control, selectivity … Effect of Nonresonant Frequencies on the Enhancement of Quantum Beat Amplitudes in Rovibrational States of Li 2 : The …

On-chip, photon-number-resolving, telecommunication-band detectors for scalable photonic information processing

December 5, 2011
Author(s)
Thomas Gerrits, Nick Thomas-Peter, James Gates, Adriana E. Lita, Benjamin Metcalf, Brice R. Calkins, Nathan A. Tomlin, Anna E. Fox, Antia A. Lamas-Linares, Justin Spring, Nathan Langford, Richard P. Mirin, Peter Smith, Ian Walmsley, Sae Woo Nam
… the only feasible route towards scalable photonic quantum processing devices which are sufficiently complex to be genuinely useful in computing, metrology, and simulation. Embedded on-chip … optical waveguides, single photon detectors, quantum information …

Single-Flux-Quantum Multiplier Circuits for Synthesizing Gigahertz Waveforms With Quantum-Based Accuracy

February 3, 2021
Author(s)
Manuel C. Castellanos Beltran, David I. Olaya, Adam J. Sirois, Christine A. Donnelly, Paul Dresselhaus, Samuel Benz, Peter F. Hopkins
… converter (DAC) based on rapid single flux quantum (RSFQ) circuits and a superconducting amplifier based … of synthesizing high-speed signals having output with quantum-based accuracy. The amplifier is an SFQ voltage … Nb-doped silicon barriers. In order to demonstrate the quantum-based reproducibility, stability and performance at 4 …

Verification of a Many-Ion Simulator of the Dicke Model Through Slow Quenches across a Phase Transition

July 27, 2018
Author(s)
Arghavan Safavi-Naini, R. J. Lewis-Swan, Justin G. Bohnet, M. Garttner, Kevin Gilmore, Elena Jordan, J. Cohn, James K. Freericks, Ana Maria Rey, John Bollinger
… a simulator of the Dicke Hamiltonian, an iconic model in quantum optics which features a quantum phase transition between a superradiant … We experimentally implement slow quenches across the quantum critical point and benchmark the dynamics and the … Dicke model, Penning trap, quantum quench, quantum simulation, scrambling, trapped ions …
Displaying 1276 - 1300 of 9848
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