Skip to main content
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 76 - 100 of 3642

Quantum Control, Quantum Information Processing, and Quantum-Limited Metrology With Trapped Ions

June 19, 2005
Author(s)
David J. Wineland, Dietrich G. Leibfried, Murray D. Barrett, A. Ben-Kish, James C. Bergquist, Brad R. Blakestad, John J. Bollinger, Joseph W. Britton, J Chiaverini, B. L. DeMarco, David Hume, Wayne M. Itano, M J. Jensen, John D. Jost, Emanuel H. Knill, Jeroen Koelemeij, C. Langer, Windell Oskay, R Ozeri, Rainer Reichle, Till P. Rosenband, Tobias Schaetz, Piet Schmidt, Signe Seidelin
… We briefly discuss recent experiments on quantum informaiton processing using trapped ions at NIST. A … work has been to increase our capabilities in terms of quantum computing protocols, but we have also been interested … shed light on more fundamental issues, such as the quantum measurement problem. …

Report on Post-Quantum Cryptography

April 28, 2016
Author(s)
Lidong Chen, Stephen P. Jordan, Yi-Kai Liu, Dustin Moody, Rene C. Peralta, Ray A. Perlner, Daniel C. Smith-Tone
… years, there has been a substantial amount of research on quantum computers - machines that exploit quantum mechanical phenomena to solve mathematical problems … or intractable for conventional computers. If large-scale quantum computers are ever built, they will be able to break …

A Classification of Differential Invariants for Multivariate Post-Quantum Cryptosystems

June 21, 2013
Author(s)
Ray A. Perlner, Daniel C. Smith-Tone
… (MPKC) has become one of a few options for security in the quantum model of computing. Though a few multivariate systems … 5th International Conference on Post-Quantum Cryptography (PQCrypto 2013) … Post-Quantum Cryptography (Lecture Notes in Computer Science) … of Differential Invariants for Multivariate Post-Quantum Cryptosystems …

Detection of Surface Spins Causing Flux Noise in Quantum Devices using Electron Spin Resonance

December 1, 2025
Author(s)
Dustin Hassenmayer, Patrick Lenahan, Jason Ryan, Stephen Moxim
… The improvement of quantum computing technologies relies on the reduction of … defects believed to contribute to flux noise in quantum devices. Our approach greatly enhances ESR's … IEEE International Conference on Quantum Computing and Engineering (QCE) … Quantum decoherence, Electron spin resonance, Flux noise, …

Eigenpath Traversal by Phase Randomization

September 1, 2009
Author(s)
S. Boixo, Emanuel Knill, Rolando Somma
… A computation in adiabatic quantum computing is achieved by traversing a path of … onto the desired eigenstate, achieving a version of the quantum Zeno effect. For bounded error probability, the … Applications of this method for unstructured search and quantum sampling are considered. We discuss the quantum

Data needs and challenges for quantum dot devices automation

October 31, 2024
Author(s)
Justyna Zwolak, Jacob Taylor, Reed Andrews, Jared Benson, Garnett Bryant, Donovan Buterakos, Anasua Chatterjee, Sankar Das Sarma, Mark Eriksson, Eliska Greplova, Michael Gullans, Fabian Hader, Tyler Kovach, Pranav S. Mundada, Mick Ramsey, Torbjoern Rasmussen, Brandon Severin, Anthony Sigillito, Brennan Undseth, Brian Weber
… Gate-defined quantum dots are a promising candidate system for realizing … systems and serving as a fundamental building block for quantum computers. However, present-day quantum dot devices suffer from imperfections that must be … npj Quantum Information … Data needs and challenges for quantum dot devices automation …

Relativistic Quantum Walks

October 16, 2008
Author(s)
Frederick Strauch
… relation between the one-dimensional Dirac equation and quantum walks, the physical role of quantum interference in the latter is explained. It is shown … that the time evolution of the probability density of a quantum walker, initially localized on a lattice, is directly …

Tight Bounds on the Convergence of Noisy Random Circuits to the Uniform Distribution

December 16, 2022
Author(s)
Michael Gullans, Abhinav Deshpande, Bill Fefferman, Alexey Gorshkov, Pradeep Niroula, Oles Shtanko
… for hardness proofs of sampling schemes that aim to show a quantum computational advantage over classical computation. … to prove an often-conjectured claim in the literature on quantum computational advantage, contrary to what was thought … PRX QuantumQuantum information science, noisy quantum devices, …

Traceable localization enables accurate integration of quantum emitters and photonic structures with high yield

March 18, 2024
Author(s)
Craig R. Copeland, Adam L. Pintar, Ronald G. Dixson, Ashish Chanana, Kartik Srinivasan, Daron Westly, Robert Ilic, Marcelo Davanco, Samuel M. Stavis
… In a popular integration process for quantum information technologies, localization microscopy of quantum emitters guides lithographic placement of photonic … novel results parameterize a process model for integrating quantum dots and bullseye resonators, predicting higher yield …

Realization of quantum error correction

December 2, 2004
Author(s)
J Chiaverini, Dietrich G. Leibfried, Tobias Schaetz, Murray D. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, R Ozeri, David J. Wineland
… Scalable quantum computation and communication require error control to protect quantum information against unavoidable noise. Quantum error correction protects quantum information stored … atom trapping and cooling, error correction, quantum computation, quantum error correction, quantum

Coherent Quantum State Manipulation of Trapped Atomic Ions

January 1, 1998
Author(s)
David J. Wineland, C Monroe, D M. Meekhof, B E. King, Dietrich G. Leibfried, Wayne M. Itano, James C. Bergquist, D J. Berkeland, John J. Bollinger, J D. Miller
… 9Be+ ion is used to investigate methods of coherent quantum-state synthesis. We create and characterize … motion including "Schrödinger- cat" states. A fundamental quantum logic gate is realized using the quantized motion and … some of the applications for, and problems in realizing, quantum computation based on multiple trapped ions. …

A Low Temperature STM Facility for the Study of Quantum and Spin Electronic Systems

November 15, 2000
Author(s)
Joseph A. Stroscio, Robert Celotta, Steven R. Blankenship, E Hudson, Aaron P. Fein
… of providing new measurement capabilities for the study of quantum and spin electronic systems on the nanometer scale. … 4th International Workshop on Quantum Functional Devices … quantum electronics, scanning tunneling microscopy, surfaces … A Low Temperature STM Facility for the Study of Quantum and Spin Electronic Systems …

Quantum receiver for large alphabet communication

February 21, 2018
Author(s)
Sergey Polyakov, Ivan Burenkov, Olga Tikhonova
Quantum mechanics allows measurements that surpass the … limits of classical methods. To benefit from the quantum advantage in a practical setting, the receiver should … Here we show the fundamental sensitivity potential of a quantum receiver for coherent communication with frequency …

Rigidity of the magic pentagram game

November 2, 2017
Author(s)
Amir Kalev, Carl Miller
… guarantees, under the sole assumption of the validity of quantum mechanics, that the players are using an approximately unique quantum strategy. As such, rigidity has a vital role in quantum cryptography as it permits a strictly classical user … Quantum Science and Technology …

Quantum Computing With Realistically Noisy Devices

March 3, 2005
Author(s)
Emanuel H. Knill
… There are quantum algorithms that can efficiently simulate quantum physics, factor large numbers and estimate integrals. As a result, quantum computers can solve otherwise intractable … fault-tolerance thresholds, fault-tolerant quantum computing, postselected quantum computing, quantum

Quantum Computing with Very Noisy Devices

March 3, 2005
Author(s)
Emanuel H. Knill
… There are quantum algorithms that can efficiently simulate quantum physics, factor large numbers and estimate integrals. As a result, quantum computers can solve otherwise intractable … fault-tolerance thresholds, fault-tolerant quantum computing, postselected quantum computing, quantum

Towards entangled photon pair generation from SiC-based microring resonator

October 4, 2022
Author(s)
Anouar Rahmouni, Lijun Ma, Xiao Tang, Thomas Gerrits, Lutong Cai, Qing Li, Oliver T. Slattery
… photon sources are fundamental building blocks for quantum communication and quantum networks. Recently, silicon carbide emerged as a promising material for integrated quantum devices since it is CMOS compatible with favorable … SiC, single photon source, quantum communications …

Assessing the Benefits and Risks of Quantum Computers

July 17, 2024
Author(s)
Travis Scholten, Carl Williams, Dustin Moody, Michele Mosca, William Hurley, William J. Zeng, Matthias Troyer, Jay Gambetta
Quantum computing is an emerging technology with potentially … what is currently known on the potential uses and risks of quantum computers. We discuss how near-term heuristic … the research literature, may enable useful and practical quantum computing in the near future. Against that context, …

Spin-Based All-Optical Quantum Computation With Quantum Dots: Understanding and Suppressing Decoherence

October 16, 2008
Author(s)
Tommaso Calarco, S K. Datta, P Fedichev, E Pazy, W.H. Zoller
… We present an all-optical implementation of quantum computation using semiconductor quantum dots. Quantum memory is represented by the spin of an excess … decoherence, quantum dots, quantum information, spintronics … Spin-Based All-Optical Quantum Computation With Quantum Dots: Understanding and …

Serialized Quantum Error Correction Protocol for High-Bandwidth Quantum Repeaters

September 2, 2016
Author(s)
Jacob M. Taylor, Edo Waks, Andrew Glaudell
… creation, transmission, and detection suggest that sending quantum information over optical fibers may have losses low enough to be correctable using a quantum error correcting code. Such error-corrected communication is equivalent to a novel quantum repeater scheme, but crucial questions regarding …

Heterogeneous integration for on-chip quantum photonic circuits with single quantum dot devices

October 12, 2017
Author(s)
Marcelo I. Davanco, Liu Jin, Luca Sapienza, Chen-Zhao Zhang, Jose Vinicius De Miranda Cardoso, Varun B. Verma, Richard P. Mirin, Sae Woo Nam, Liu Liu, Kartik A. Srinivasan
… establishing itself as an enabling technology for photonic quantum science, offering considerably greater scalability, … nanophotonic devices containing self- assembled InAs/GaAs quantum dots. We demonstrate pure single-photon emission from single quantum dots in GaAs nanophotonic waveguides and cavities, …

Polarization Recovery and Auto-compensation in Quantum Key Distribution Network

August 1, 2006
Author(s)
Lijun Ma, Hai Xu, Xiao Tang
… A Quantum Key Distribution (QKD) network can allow multi-user … polarization auto-compensation, polarization recovery, Quantum Key Distribution … Polarization Recovery and Auto-compensation in Quantum Key Distribution Network … Polarization Recovery and Auto-compensation in Quantum Key Distribution Network …
Displaying 76 - 100 of 3642
Was this page helpful?