U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 976 - 1000 of 3643

Quantum engineering of atomic phase shifts in optical clocks

November 24, 2014
Author(s)
Andrew D. Ludlow, T Zanon-willette, S. Almonacil, E. de Clercq, Ennio Arimondo
… Quantum engineering of time-separated Raman laser pulses in … sensitivity to laser parameter fluctuations. Based on a quantum articial complex-wave- function analytical model, and … Quantum engineering of atomic phase shifts in optical clocks …

Development of a Quantum-Voltage-Calibrated Noise Thermometer at NIM

September 11, 2013
Author(s)
Jifeng Qu, Samuel Benz, Jianqiang Zhang, Horst Rogalla, Yang Fu, Alessio Pollarolo, Jintao Zhang
… A quantum-voltage-calibrated Johnson-noise thermometer was … voltage waveform synthesized with a bipolar-pulse-driven quantum-voltage-noise source. A measurement with integration … Development of a Quantum-Voltage-Calibrated Noise Thermometer at NIM …

Strong Low-Frequency Quantum Correlations From a Four-Wave Mixing Amplifier

October 15, 2008
Author(s)
C F. McCormick, Alberto M. Marino, V Boyer, Paul D. Lett
… Quantum-correlated light displays sub-classical noise … can improve the accuracy of optical measurements or enable quantum information processing. We have developed a simple and robust source for generating quantum-correlated light based on single-pass … Strong Low-Frequency Quantum Correlations From a Four-Wave Mixing Amplifier …

Indirect Cooling of Weakly Coupled Trapped-Ion Mechanical Oscillators

April 2, 2024
Author(s)
Panyu Hou, Jenny Wu, Stephen Erickson, Giorgio Zarantonello, Adam Brandt, Daniel Cole, Andrew C. Wilson, Daniel Slichter, Dietrich Leibfried
… Cooling the motion of trapped ions to near the quantum ground state is crucial for many ap- plications in quantum information processing and quantum metrology. However, some motional modes of trapped … ions, Ground-state cooling, Coupled harmonic oscillators, Quantum information processing, Quantum Metrology. …

Thermometry with Optomechanical Cavities

June 6, 2016
Author(s)
Thomas P. Purdy, Karen E. Grutter, Kartik Srinivasan, Nikolai Klimov, Zeeshan Ahmed, Jacob Taylor
… measure radiation pressure shot noise induced quantum correlations to absolutely calibrate the motional … optomechanics, thermometry, quantum correlation …

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 …

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 …

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 …

A superconducting nanowire single-photon detector system for single-photon source characterisation

February 1, 2010
Author(s)
C. R. Fitzpatrick, C. M. Natarajan, R. E. Warburton, G. S. Buller, Burm Baek, Sae Woo Nam, Shigehito Miki, Z. Wang, Masahide Sasaki, A. G. Sinclair, Robert Hadfield
… detectors are key enabling technologies for photonics in quantum information science and technology (QIST). QIST … quantum information, quantum optics, single-photon detector, single-photon source, …

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 …

Coherent optical processes with an all-optical atomic simulator

January 4, 2021
Author(s)
Ivan Burenkov, Sergey Polyakov, Olga Tikhonova, Irina Novikova
… We show how novel photonic devices such as broadband quantum memory and efficient quantum frequency transduction can be implemented using … with an external optical field using both classical and quantum models of the optical fields and adapting well-known … nonlinear optics, atomic optics, frequency transduction, quantum optics …

Strongly Inhibited Transport of a Degenerate 1D Bose Gas in a Lattice

April 1, 2005
Author(s)
C Fertig, K M. O'Hara, J H. Huckans, S L. Rolston, William D. Phillips, James V. Porto
… observation of strongly damped dipole oscillations of a quantum degenerate 1D atomic Bose gas in a combined harmonic … after damped motion. Recent theoretical work suggests that quantum fluctuations can strongly damp dipole oscillations of … properties of condensates, laser cooling and trapping, quantum phase transitions, quantum transport, superfluid flow …

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 …

Ultra-cold mechanical resonators coupled to atoms in an optical lattice

September 17, 2009
Author(s)
Andrew Geraci, John E. Kitching
… readout, and potentially may be useful in optical lattice quantum computation schemes. Assuming resonators can be … Prospects for using this novel system for tests of quantum mechanics at macroscopic scales or quantum information processing are discussed. … micro-cantilevers, optical lattice, quantum information …

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 …

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 + …

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 …

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 …

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. …
Displaying 976 - 1000 of 3643
Was this page helpful?