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NIST Authors in Bold

Displaying 51 - 75 of 3642

Improving quantum state detection with adaptive sequential observations

May 13, 2022
Author(s)
Emanuel Knill, Scott Glancy, Daniel Cole, Shawn Geller
… For many quantum systems intended for information processing, one … Quantum Science and Technology … quantum bit measurement, hidden Markov models … Improving quantum state detection with adaptive sequential observations …

Single Flux Quantum-Based Digital Control of Superconducting Qubits in a Multi-Chip Module

June 24, 2023
Author(s)
Chuanhong Liu, Robert McDermott, Britton Plourde, Andrew Ballard, Jonathan DuBois, Pete Hopkins, David Olaya, John Biesecker, Samuel P. Benz, Dan Schmidt, Joel Ullom
… The single flux quantum (SFQ) digital superconducting logic family has been … PRX Quantum … Quantum information, Superconducting qubits, single flux quantum electronics, qubit control, superconducting … Single Flux Quantum-Based Digital Control of Superconducting Qubits in a …

Quantum Computation, Spectroscopy of Trapped Ions, and Schrodinger Cat

January 1, 1999
Author(s)
David J. Wineland, C Monroe, Wayne M. Itano, D Kielpinski, B E. King, C J. Myatt
… We summarize e orts at NIST to implement quantum computation using trapped ions, based on a scheme … Cirac and P. Zoller (Innsbruck University). The use of quantum logic to create entangled states, which can maximize the quantum-limited signal-to-noise ratio in spectroscopy, is …

Quantum Critical Behavior in the Asymptotic Limit of High Disorder in the Medium Entropy Alloy NiCoCr 0.8

June 29, 2017
Author(s)
Brian C. Sales, Ke Jin, Hongbin Bei, John Nichols, Matthew F. Chisholm, F. May, Nicholas Butch, Andrew D. Christianson, Michael A. McGuire
… the critical exponents associated with a ferromagnetic quantum critical point (FQCP) are experimentally determined … solid solutions thus represent a unique platform to study quantum critical behavior in a highly class of materials. … Nature Partner Journals Quantum Materials …

Wavelength bistability and switching in two-section quantum-dot diode lasers

June 1, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
… bias on the saturable absorbers in two-section mode-locked quantum dot lasers. We show data from three different devices … self-saturation properties in gain and absorber, and the quantum-confined Stark effect in absorber. The measured … IEEE Journal of Quantum Electronics …

Quantum Dot Dissemination and Behavior in Bacterial Biofilms

May 7, 2006
Author(s)
Jayne B. Morrow, Richard D. Holbrook, Cynthia J. Zeissler
… Quantum dots (QDs) are colloidal semiconductor nanocrystals … biofilms were dependent on the size and chemistry of the quantum dots and agreed well with predicted attractive … quantum dots, bacterial biofilms, interaction energy … Quantum Dot Dissemination and Behavior in Bacterial Biofilms …

Optical quantum memory and its applications in quantum communication systems

January 16, 2020
Author(s)
Lijun Ma, Xiao Tang, Oliver T. Slattery
… Optical quantum memory is a device that can store the quantum state of photons and retrieve it with high fidelity … The device can be used to enhance performance for many quantum communication systems such as measurement device … Quantum memory, Quantum communication, Quantum key …

Recent Results in Trapped-Ion Quantum Computing at NIST,

January 1, 2001
Author(s)
D Kielpinski, A Ben-kish, Joseph W. Britton, V Meyer, M A. Rowe, C A. Sackett, Wayne M. Itano, C Monroe, David J. Wineland
… Bell's inequality, and decoherence-free subspaces in a quantum register of trapped 9Be+ ions. … Proc. 2001 Intl. Conf. on Experimental Implementations of Quantum Computation (IQCOI) … 2001 Intl. Conf. on Experimental Implementations of Quantum Computation (IQCOI) …

Quantum Algorithms for Quantum Field Theories

June 1, 2012
Author(s)
Stephen P. Jordan, Keith S. Lee, John Preskill
… Quantum field theory reconciles quantum mechanics and special relativity, and plays a central role in many areas of physics. We develop a quantum algorithm to compute relativistic scattering … quantum algorithm, simulation, quantum field theory, phi-fourth, scattering, quantum computer …

Josephson Microwave Sources Applied to Quantum Information Systems

December 18, 2020
Author(s)
Adam J. Sirois, Manuel C. Castellanos Beltran, Anna E. Fox, Samuel P. Benz, Peter F. Hopkins
… Quantum computers with thousands or millions of qubits will … of two components of a typical superconducting quantum information system: a linear resonator and a … output signal of the JAWS when operated in its quantum locking range, a feature that allows these … IEEE Transactions on Quantum Engineering …

Building Quantum Computers

December 1, 2008
Author(s)
Emanuel H. Knill
… In theory, quantum computers can be used to efficiently factor numbers, … enable currently impossible physics simulations. At first, quantum states appeared to be too fragile for implementing large quantum computers. Fortunately, because of theoretical … Quantum computers, quantum devices …

Quantum phase modulation with acoustic cavities and quantum dots

April 29, 2022
Author(s)
Poolad Imany, Zixuan Wang, Ryan DeCrescent, Robert Boutelle, Corey McDonald, Travis Autry, Samuel Berweger, Pavel Kabos, Sae Woo Nam, Richard Mirin, Kevin L. Silverman
… frequencies is crucial for chip-scale classical and quantum processing as well as for long-range networks of superconducting quantum processors. A successful approach to bridge the gap … Quantum transduction, quantum networks, quantum optics, … Quantum phase modulation with acoustic cavities and quantum …

Direct-Laser-Written Polymer Nanowire Waveguides for Broadband Single Photon Collection from Epitaxial Quantum Dots into a Gaussian-like Mode

November 16, 2023
Author(s)
Edgar Perez, Cori Haws, Marcelo Davanco, Jindong Song, Luca Sapienza, Kartik Srinivasan
… Single epitaxial quantum dots (QDs) are a leading technology for quantum light generation, particularly when they are embedded … of micro- and nano- scale devices that can interface with quantum emitters and address this challenge. In this study, … Advanced Quantum Technologies …

Tunnel-Coupled Quantum Dots: Atomistic Theory of Quantum Dot Molecules and Arrays

June 1, 2003
Author(s)
Garnett W. Bryant, Javier Aizpurua, W Jaskolski, M Zielinski
… An understanding of how dots couple in quantum dot molecules and arrays is needed so that the … electronic structure, nanocrystals, optical spectra, quantum dots, self-assembled dots, tight-binding … Physics and Technology of Semiconductor Quantum Dots, Symposium E | | Physics and Technology of …

Quantum Computing and Communication

June 28, 2002
Author(s)
Paul E. Black, David R. Kuhn, Carl J. Williams
… A quantum computer, if built, will be to an ordinary computer … at least for some types of computations. Today no quantum computer exists, beyond laboratory prototypes capable … practical problems remain to be solved. Yet the theory of quantum computing has advanced significantly in the past …

Quantum Key Distribution System Operating at Sifted-Key Rate Over 4 Mbit/s 1

June 1, 2009
Author(s)
Xiao Tang, Lijun Ma, Alan Mink, Anastase Nakassis, Hai Xu, Barry J. Hershman, Joshua C. Bienfang, David H. Su, Ronald F. Boisvert, Charles W. Clark, Carl J. Williams
… A complete fiber-based polarization encoding quantum key distribution (QKD) system based on the BB84 … fiber of length 1 km and mean photon number 0.1. The quantum channel uses 850 nm photons from attenuated high … division multiplexing devices. Sifted-key rates and quantum error rates at different transmission rates are …

EIT Quantum Memory with Cs Atomic Vapor for Quantum Communication

September 1, 2015
Author(s)
Lijun Ma, Oliver T. Slattery, Paulina S. Kuo, Xiao Tang
… Quantum memory is a key device in the implementation of quantum repeaters for quantum communications and quantum networks. We demonstrated … Quantum Memory, Quantum Communication, Electromagnetic introduced transparency … EIT Quantum Memory with Cs Atomic Vapor for Quantum Communication …

Post-Quantum Cryptography, and the Quantum Future of Cybersecurity

April 9, 2024
Author(s)
Yi-Kai Liu, Dustin Moody
… the current status of efforts to develop and deploy post-quantum cryptography on the Internet. Then we suggest specific ways in which quantum technologies might be used to enhance cybersecurity … cryptography, and ensuring the trustworthiness of quantum computations. These goals may soon be within reach, …

Operational analysis of a quantum dot, optically gated, field-effect transistor as a single-photon detector

July 1, 2007
Author(s)
Eric Gansen, Mary A. Rowe, Marion Greene, Danna Rosenberg, Todd E. Harvey, Mark Su, Robert Hadfield, Sae Woo Nam, Richard Mirin
… single-photon detector, where a layer of self-assembled quantum dots (QDs) is used as an optically addressable … in its dedicated absorption layer with an internal quantum efficiency (IQE) of up to 68+or-}18%. Given the noise … IEEE Journal of Selected Topics in Quantum Electronics …

Quantum Computing

January 28, 2010
Author(s)
Emanuel H. Knill
… Imagine a computer that can exploit quantum mechanics to solve previously intractable problems in physics, mathematics and cryptography. Such a quantum computer would revolutionize computing technology … teaching us about fundamental physics and ways to control quantum systems. Researchers are investigating robust ways to …

Perspectives on the quantum Zeno paradox

November 7, 2006
Author(s)
Wayne M. Itano
… 1977 paper of Misra and Sudarshan which pointed out the quantum Zeno paradox (more often called the quantum Zeno effect). In simple terms, the quantum Zeno effect refers to a slowing down of the evolution … ion storage, Penning trap, quantum information, quantum measurement, quantum theory, …

Pseudorandom Quantum States

August 19, 2018
Author(s)
Yi-Kai Liu, Zhengfeng Ji, Fang Song
… We propose the concept of pseudorandom quantum states, which appear random to any quantum polynomial-time adversary. It offers a computational approximation to perfectly random quantum states (analogous to cryptographic pseudorandom … Quantum cryptography, pseudorandom generators, quantum money …

Building Quantum Computers

January 22, 2013
Author(s)
Emanuel H. Knill
… Abstract: In theory, quantum computers can be used to efficiently factor numbers, … enable currently impossible physics simulations. At first, quantum states appeared to be too fragile for implementing large quantum computers. Fortunately, because of theoretical …
Displaying 51 - 75 of 3642
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