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Search Publications

NIST Authors in Bold

Displaying 1601 - 1625 of 9850

Impact of fin aspect ratio on enhancement of external quantum efficiency in single AlGaN fin light-emitting diodes pixels

June 26, 2023
Author(s)
Babak Nikoobakht, Yuqin Zong, Okan Koksal, Amit Agrawal, Christopher B. Montgomery, Jacob Leach, Michael Shur
… the dependence of the fin aspect ratio on its external quantum efficiency (EQE) within an array of single n-AlGaN … External quantum efficiency, AlGaN, fin, light-emitting diode, … Impact of fin aspect ratio on enhancement of external quantum efficiency in single AlGaN fin light-emitting diodes …

Measurement induced dynamics and stabilization of spinor condensate domain walls

May 22, 2019
Author(s)
Ian B. Spielman
… create and measure new phenomena in strongly correlated quantum systems. We study the dynamics of a continuously … between usable information obtained from measurement and quantum backaction. Each weakly measured system yields a … real-time dynamics of the domain wall. We show that quantum backaction due to measurement causes two primary …

Mobile 3D Visualization for Construction

September 1, 2002
Author(s)
Robert R. Lipman
Until recently, visualization of 3D models required computational resources available only on desktop computers in office environments. With the advance of technology, it is now possible to visualize substantial 3D models on mobile handheld computers in

Quantum-Based Microwave Modulated Waveforms

August 4, 2023
Author(s)
Akim Babenko, Nathan Flowers-Jacobs, Anna Fox, Paul Dresselhaus, Zoya Popovic, Samuel P. Benz
… source that generates microwave modulated waveforms with quantum-based stability. The voltage source - an RF Josephson … of -53 dBm and a Schroeder phase distribution. The JJ's quantum-based nonlinearity produces an amplitude stability … Quantum-Based Microwave Modulated Waveforms …

Bridging classical and quantum mechanics

September 28, 2016
Author(s)
Darine El Haddad, Frank C. Seifert, Leon S. Chao, Shisong Lee, David B. Newell, Jon R. Pratt, Carl J. Williams, Stephan Schlamminger
… of the electrical units derived from the Josephson and the quantum Hall effects. By using frequency combs to measure … Bridging classical and quantum mechanics …

Conclusive quantum steering with superconducting transition-edge sensors

January 10, 2012
Author(s)
Devin H. Smith, Marcelo de Almeida, Gillett Geoff, Branciard Cyril, Allesandro Fedrizzi, Weinhold J. Till, Adriana Lita, Brice R. Calkins, Thomas Gerrits, Wiseman H, Sae Woo Nam, Andrew G. White
… Quantum steering allows two parties to verify shared … fundamental interest and opens up applications in quantum communication. To date, all experimental tests with … Conclusive quantum steering with superconducting transition-edge sensors …

Complementary Use of Optical Metrology and X-Ray Computed Tomography for Surface Finish and Defect Detection in Laser Powder Bed Fusion Additive Manufacturing

July 25, 2018
Author(s)
Jason C. Fox, Felix H. Kim, Zachary C. Reese, Christopher Evans
… the complimentary use of optical metrology and x-ray computed tomography (XCT) for inspection of parts built … additive manufacturing, surface texture, x-ray computed tomography … Complementary Use of Optical Metrology and X-Ray Computed Tomography for Surface Finish and Defect Detection …

Transport dynamics of single ions in segmented microstructured Paul trap arrays

August 4, 2006
Author(s)
Rainer Reichle, Dietrich G. Leibfried, Brad R. Blakestad, Joseph W. Britton, John D. Jost, Emanuel H. Knill, C. Langer, R Ozeri, Signe Seidelin, David J. Wineland
… ions could be moved. This approach might be scalable for quantum information processing with a large numbers of qubits.Processing of quantum information is achieved by transporting ions to and … separate memory and qubit manipulation zones in between quantum logic operations. The transport of ion groups in this …

Single photon sources based on single quantum dots

August 8, 2004
Author(s)
Richard P. Mirin
… photon antibunching measurements from single InGaAs/GaAs quantum dots. The second order intensity correlation … Single photon sources based on single quantum dots …

Lets Talk, Robots

November 21, 2016
Author(s)
Craig I. Schlenoff
… This is a short article for Scientific Computing Magazine, at the request of the editor, that … Scientific Computing Magazine …

Quantum Key Distribution With 1.25 Gbps Clock Synchronization

May 1, 2004
Author(s)
Joshua C. Bienfang, Alex J. Gross, Alan Mink, Barry J. Hershman, Anastase Nakassis, Xiao Tang, David H. Su, Charles W. Clark, Carl J. Williams, Edward W. Hagley, J Wen, R Lu
… digital optics, optical communications, photon couting, quantum cryptography, quantum detectors … Quantum Key Distribution With 1.25 Gbps Clock Synchronization …

Quantum Deconstruction of the Infra-Red Spectrum of CH 5 +

January 1, 2006
Author(s)
X Huang, A B. McCoy, Joel M. Bowman, L M. Johnson, Feng Dong, Chandra Savage, David Nesbitt
… We present two quantum calculations of the infra-red spectrum of CH 5 u+ … of the band origins are made, based on the present quantum calculations. … Quantum Deconstruction of the Infra-Red Spectrum of CH 5 + …

Negative quasiprobabilities enhance phase estimation in quantum-optics experiment

March 1, 2022
Author(s)
Noah Lupu-Gladstein, Y. Batuhan Yilmaz, David Arvidsson-Shukur, Aharon Brodutch, Arthur Pang, Aephraim Steinberg, Nicole Halpern
… Operator noncommutation, a hallmark of quantum theory, limits measurement precision, according to … metrological advantage with negative quasiprobabilities -- quantum extensions of probabilities -- engendered by … quasiprobabilities, we reveal deep connections between quantum foundations and precision measurement. …

IR Computer Generated Holograms: Design and Application for the WFIRST Grism using Wavelength-Tuning Interferometry

July 14, 2018
Author(s)
Margaret Z. Dominguez, Catherine Marx, Qian Gong, John Hagopian, Ulf Griesmann, James Burge, Dae Wook Kim
… Interferometers using computer generated holograms (CGHs) have become the industry … Aspheric metrology, optical testing, computer generated hologram, infrared, wavelength-tuning, … IR Computer Generated Holograms: Design and Application for the …

On Computing Elastic Shape Distances between Curves in d-dimensional Space

June 21, 2021
Author(s)
Javier Bernal, James F. Lawrence, Gunay Dogan, Robert Hagwood
… dimension, we present a Dynamic Programming algorithm for computing optimal diffeomorphisms that is linear, and justify … in a purely algebraic manner the usual algorithm for computing optimal rotation matrices, the Kabsch-Umeyama … allows applications of the Fast Fourier Transform for computing successively in an even more efficient manner, …

Computer Simulation of the Fires in the World Trade Center Towers. Federal Building and Fire Safety Investigation of the World Trade Center Disaster (NIST NCSTAR 1-5F) ***DRAFT for Public Comments***

September 1, 2005
Author(s)
Kevin B. McGrattan, Charles E. Bouldin, Glenn P. Forney
… the pyrolysis of charring fuels, like wood; and the computer program was re-configured to run on multiple … fire safety, fire investigations, terrorists, terrorism, computer simulation, computational fluid dynamics, smoke … Computer Simulation of the Fires in the World Trade Center …
Displaying 1601 - 1625 of 9850
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