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NIST Authors in Bold

Displaying 101 - 125 of 3642

Quantum information processing with trapped ions

July 25, 2004
Author(s)
Murray D. Barrett, Tobias Schaetz, J Chiaverini, Dietrich Leibfried, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel Knill, C. Langer, R Ozeri, David J. Wineland
… of trapped atomic ions. The experiments reported here, quantum dense coding and quantum teleportation, constitute a significant step toward performing large-scale quantum information processing. However the techniques used … atom trapping and cooling, quantum control, quantum entanglement, quantum information …

Emergent Unitary Designs for Encoded Qubits from Coherent Errors and Syndrome Measurements

August 22, 2025
Author(s)
Zihan Cheng, Eric Huang, Vedika Khemani, Michael Gullans, Matteo Ippoliti
… moments. They serve as a crucial resource for randomized quantum protocols. However, their implementation on encoded … designs on encoded qubits, with applications including quantum state tomography and benchmarking in error correction … PRX Quantum … Quantum algorithms, quantum error correction, unitary designs …

Efficient Circuits for Exact-Universal Computation With Qudits

July 1, 2006
Author(s)
G K. Brennen, Stephen Bullock, Dianne M. O'Leary
… This paper concerns the efficient implementation of quantum circuits for qudits. We show that controlled … Brennen, Phys. Rev. Lett. 94, 230502 (2005)] describes quantum circuits for qudits which require O(d^n) two-qudit … Quantum Information & Computation … quantum computation, quantum information …

Ultra-low loss quantum photonic circuits integrated with single quantum emitters

December 12, 2022
Author(s)
Ashish Chanana, Hugo Larocque, Renan Moreira, Jacques Carolan, Biswarup Guha, Emerson Goncalves De Melo, Vikas Anant, Jin Dong Song, Dirk Englund, Daniel Blumenthal, Marcelo Davanco, Kartik Srinivasan
… Photon-based photonic quantum information systems require both scalable ultra-low … of these sources and circuits is critical to realizing quantum systems that are scalable, compact and cost … advance towards this goal, in the hybrid integration of a quantum emitter with a wafer-scale, ultra-low loss silicon …

Use of quantum effects as potential qualifying metrics for "quantum grade silicon"

December 30, 2019
Author(s)
Aruna N. Ramanayaka, Ke Tang, Joseph A. Hagmann, Hyun S. Kim, David S. Simons, Curt A. Richter, Joshua M. Pomeroy
… Across solid state quantum information, material deficiencies limit performance … specific qualifying metrics and measurements applicable to quantum devices are needed. For quantum applications, new material metrics, e.g., enrichment, … enriched silicon, quantum devices, quantum materials, quantum engineering …

Noise Reduction in Optically Controlled Quantum Memory

May 7, 2018
Author(s)
Lijun Ma, Oliver T. Slattery, Xiao Tang
… Quantum memory is an essential device for quantum communications systems and quantum computers. An important category of quantum memory, … Noise Reduction, Quantum Memory, Quantum Communication … Noise Reduction in Optically Controlled Quantum Memory …

Framework for learning agents in quantum environments

September 22, 2016
Author(s)
Jacob M. Taylor, Hans Briegel, Vedran Dunjko
… broad framework for describing learning agents in general quantum environments. We analyze the types of environments which allow for quantum enhancements in learning, by contrasting environments to quantum oracles. We show that whether or not quantum … Quantum Computation, Machine Learning, Quantum Information …

Implementation of the semiclassical quantum Fourier transform in a scalable system

May 13, 2005
Author(s)
J Chiaverini, Joseph W. Britton, Dietrich G. Leibfried, Emanuel H. Knill, Murray D. Barrett, Brad R. Blakestad, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Tobias Schaetz, David J. Wineland
… One of the most interesting future applications of quantum computers is Shor's factoring algorithm, which … The crucial final step in Shor's algorithm is the quantum Fourier transform, which acts on a register of qubits (two-level quantum systems) to determine the periodicity of the input …

Quantum walk on a line for a trapped ion

October 30, 2009
Author(s)
Peng Xue, Barry Sanders, Dietrich Leibfried
… We show how a quantum walk can be experimentally realized for a single trapped ion and how to interpolate between the quantum and random walk by randomizing the phase of a generalized Hadamard coin flip. The signature of the quantum walk is manifested not only in the ion's position but …

Hidden-State Proofs of Quantumness

October 8, 2024
Author(s)
Carl A. Miller
… An experimental cryptographic proof of quantumness — that is, a proof, based only on well-studied … et al. 2018) introduced a innovative two-round proof of quantumness based on the LWE (Learning With Errors) … tolerance for error. In this work we present a proof of quantumness which maintains the same circuit structure as …

Quantum Chemistry

March 1, 2001
Author(s)
Carlos A. Gonzalez
… In this short essay, the current status of quantum chemistry as well as the future challenges this … computational chemistry, quantum chemistry, quantum mechanics … Quantum Chemistry …

Quantum Probability Estimation for Randomness with Quantum Side Information

June 12, 2018
Author(s)
Emanuel H. Knill, yanbao zhang, Honghao Fu
… We develop a quantum version of the probability estimation framework … [arXiv:1709.06159] for randomness generation with quantum side information. We show that most of the properties of probability estimation hold for quantum probability estimation (QPE). This includes …

Photon-number-resolving capabilities of a semiconductor quantum dot, optically gated, field-effect transistor

May 6, 2007
Author(s)
Eric Gansen, Mary A. Rowe, Marion Greene, Danna Rosenberg, Todd E. Harvey, Mark Su, Robert Hadfield, Sae Woo Nam, Richard Mirin
… the photon-number-resolving capabilities of a novel quantum dot, optically gated, field-effect transistor cooled … Conference on Lasers and Electro-Optics (CLEO ) and the Quantum Electronics and Laser Science Conference (QELS ) … Tech. Dig., Quantum Electronics and Laser Science Conf. (QELS) …

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006
Author(s)
J Chiaverini, Murray D. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, Tobias Schaetz, David J. Wineland
… confined in segmented trap arrays provide a system for quantum information processing. We report on the execution of two simple quantum algorithms, quantum error correction and the quantum Fourier transform, … atom trapping and cooling, quantum algorithms, quantum computation, quantum error …

Recent experiments in trapped-ion quantum information processing at NIST

May 1, 2006
Author(s)
J Chiaverini, Matthew P. Barrett, Brad R. Blakestad, Joseph W. Britton, Wayne M. Itano, John D. Jost, Emanuel H. Knill, C. Langer, Dietrich G. Leibfried, R Ozeri, T Schaetz, David J. Wineland
… confined in segmented trap arrays provide a system for quantum information processing. We report on the execution of two simple quantum algorithms, quantum error correction and the quantum Fourier transform, … atom trapping and cooling, quantum algorithms, quantum computation, quantum error …

Quantum information processing and quantum control with trapped atomic ions

December 14, 2009
Author(s)
David J. Wineland
… The role of trapped atomic ions in the field of quantum information processing is briefly reviewed. We … in applied and basic science, such as in metrology and quantum simulation, are discussed. … Atomic Physics, Entangled States, Laser spectroscopy, Quantum Computation, Quantum Information, Quantum Optics …

Synchronization and Coexistence in Quantum networks

March 27, 2023
Author(s)
Ivan Burenkov, Alexandra Semionova, FNU Hala, Thomas Gerrits, Anouar Rahmouni, DJ Anand, Ya-Shian Li-Baboud, Oliver T. Slattery, Abdella Battou, Sergey Polyakov
… the coexistence of clock synchronization protocols with quantum signals in a common single-mode optical fiber. By … nm to 1620 nm we demonstrate a potential for up to 100 quantum DWDM channels coexisting with the classical … theoretical limit of the fiber link length for coexisting quantum and classical channels. The maximal fiber length is …

Quantum dot single photon sources studied with superconducting single photon detectors

November 1, 2006
Author(s)
Martin J. Stevens, Robert Hadfield, Robert E. Schwall, Sae Woo Nam, Richard P. Mirin
… photon antibunching from a single, self-assembled InGaAs quantum dot (QD) at temperatures up to 135 K. The … to measure spontaneous emission lifetimes of semiconductor quantum wells (QWs) emitting light at wavelengths of 935 nm … IEEE Journal of Selected Topics in Quantum Electronics …

Connecting the Discrete and Continuous-Time Quantum Walks

October 16, 2008
Author(s)
Frederick Strauch
… random walks have been explored as effective elements for quantum algorithms. In the simplest case of one dimension, … the theory has remained divided into the discrete-time quantum walk and the continuous-time quantum walk. Though the properties of these two walks have …

Implications of quantum information for measurement and standards

April 29, 2004
Author(s)
David J. Wineland
… is a high level review of technical and policy issues in quantum information. … quantum communications, quantum computing, quantum information … Implications of quantum information for measurement and standards …

Quantum theory solved by experiment

May 18, 2017
Author(s)
Ian B. Spielman
… Systems of quantum objects can be characterized by the correlations … most delicate correlations, allowing theoretical models of quantum systems to be tested. See Schweigler et al. … Quantum fluid … Quantum theory solved by experiment …

Optical quantum memory based on electromagnetically induced transparency

February 20, 2017
Author(s)
Lijun Ma, Oliver T. Slattery, Xiao Tang
… transparency (EIT) is a promising approach to implement quantum memory in quantum communication and quantum computing applications. In this paper, following a … Quantum Memory, Quantum Communication, Electromagnetic introduced transparency … Optical quantum memory based on electromagnetically induced …

Indistinguishable photons from deterministically integrated single quantum dots in heterogeneous GaAs/Si3N4 quantum photonic circuits

August 30, 2019
Author(s)
Peter Schnauber, Anshuman Singh, Johannes Schall, Suk I. Park, Jin Dong Song, Sven Rodt, Kartik Srinivasan, Stephan Reitzenstein, Marcelo I. Davanco
… photonics enables the integration of multi-functional quantum networks on a chip. Inclusion of quantum emitters acting as on-demand single-photon source or … devices with single, deterministically positioned InAs quantum dots that act as triggered, Si3N4 waveguide-coupled …

QCMA with One-sided Error Equals QCMA with Two-sided Error

November 30, 2011
Author(s)
Stephen P. Jordan, Daniel Nagaj
… bitstring, or proof, that can be efficiently verified by a quantum computer. The verifier is allowed a small probability … thus QCMA with one-sided error is equal to QCMA. This is a quantum analogue to the result of Zachos and Furer, that the … error is the same as MA with two-sided error. Because a quantum oracle separating QCMA and QCMA with one sided error …
Displaying 101 - 125 of 3642
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