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Search Publications

NIST Authors in Bold

Displaying 151 - 175 of 9846

Entanglement Thresholds of Doubly Parametric Quantum Transducers

April 29, 2022
Author(s)
Curtis Rau, Akira Kyle, Alexander T. Kwiatkowski, Ezad Shojaee, John Teufel, Konrad Lehnert, Tasshi Dennis
… Doubly parametric quantum transducers, such as electro-optomechanical devices, … show promise for providing the critical link between quantum information encoded in highly disparate frequencies … would enable long-distance networking of superconducting quantum computers. Rapid experimental progress has resulted …

Clifford-Deformed Surface Codes

March 19, 2024
Author(s)
Arpit Dua, Aleksander Kubica, Liang Jiang, Steven Flammia, Michael Gullans
… variants provide promising approaches to practi- cal quantum error correction (QEC). As recently discovered, a … PRX Quantum … Quantum error correction, surface code, quantum computing …

Phase Transitions in Random Circuit Sampling

October 9, 2024
Author(s)
Sergio Boixo, Rene Peralta
… environment destroys long-range correlations on quantum processors and hinders the coherent evolution in the … challenge to leverage the computation power of near-term quantum processors [1]. It has been shown that benchmarking … Hilbert space coherently available [2–8]. Nevertheless, quantum algorithms' outputs can be trivialized by noise, …

Quantum computing hardware for HEP algorithms and sensing

April 19, 2022
Author(s)
Corey Rae McRae
… demonstrating quantum advantage in multiple domains, from quantum computing to communications, to sensing. The … by Fermilab, is dedicated to providing breakthroughs in quantum computing and sensing, mediating quantum engineering … Quantum computing hardware for HEP algorithms and sensing …

Nonlinear Optics Quantum Computing with Circuit QED

February 5, 2013
Author(s)
Prabin Adhikari, Mohammad Hafezi, Jacob Taylor
… some optical nonlinearity is necessary to enable universal quantum computing. Here, we suggest a circuit-QED approach to linear optics quantum computing in the microwave regime, including a … Nonlinear Optics Quantum Computing with Circuit QED …

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 …

Temperature-dependent, single quantum dot single photon statistics

May 16, 2004
Author(s)
Richard P. Mirin
… photon antibunching measurements from single InGaAs/GaAs quantum dots. The second order intensity correlation … quantum dots, quantum optics, single photons … Tech. Dig., International Quantum Electronics Conference … Temperature-dependent, single quantum dot single photon statistics …

A Quantum Network Manager That Supports A One-Time Pad Stream

February 11, 2008
Author(s)
Alan Mink, Lijun Ma, Anastase Nakassis, Haolang Xu, Oliver T. Slattery, Barry J. Hershman, Xiao Tang
… We have begun to expand the NIST quantum key distribution (QKD) system into a quantum network to support secure cryptography. We are … Alice switched between Bob1 and Bob2. To support such a quantum network, we have implemented a quantum network … 2nd International Conference on Quantum, Nano, and Micro Technologies (ICQNM) …

Molecular Computers for Solving Computational Decision Problems

October 12, 2021
Author(s)
Z Amitay, R Kosloff, S R. Leone
… tailored molecular wave packets is implemented for solving computational decision problems. The current study involves graphs composed of vertices and edges, and the computational task is to determine the connectivity of a … computational problem, decision problem, pulse shaping, wave …

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 …

Vulnerabilities in Quantum Key Distribution Protocols

May 1, 2003
Author(s)
David R. Kuhn
… Recently proposed quantum key distribution protocols are shown to be vulnerable … do not invalidate these proofs. Rather, they suggest that quantum cryptographic protocols, like conventional protocols, … computer security, cryptographic protocols, quantum computing, quantum cryptography …

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 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 …

Superconducting Transition Edge Sensors for Quantum Optics

June 2, 2015
Author(s)
Thomas Gerrits, Adriana E. Lita, Brice R. Calkins
… single-photon detectors allow novel measurements in quantum information processing and quantum photonic systems. The photon-number resolving … efficiency and has been used in a number of landmark quantum optics experiments. We review the operating principle … Superconducting devices in quantum optics …

LDPC for QKD Reconcilation

May 22, 2012
Author(s)
Alan Mink, Anastase Nakassis
… (LDPC) forward error correction algorithm adapted for the Quantum Key Distribution (QKD) protocol in a form readily … these various parity check matrices as a function of the quantum bit error rate. We also discuss the computational … Quantum Information & Computation …

Quantum Simulations of Classical Annealing Processes

September 26, 2008
Author(s)
Rolando Somma, S. Boixo, Howard Barnum, Emanuel Knill
… We describe a quantum algorithm that solves combinatorial optimization problems by quantum simulation of a classical simulated annealing process. Our algorithm exploits quantum walks and the quantum Zeno effect induced by … quantum computing, quantum algorithms, Monte Carlo Markov …

Polynomial-Time Classical Simulation of Noisy IQP Circuits after Constant Depth

January 12, 2025
Author(s)
Joel Rajakumar, James Watson, Yi-Kai Liu
… Sampling from the output distributions of quantum computations comprising only commuting gates, known as instantaneous quantum polynomial (IQP) computations, is believed to be … become a leading candidate for testing the capabilities of quantum devices. Here we demonstrate that for an arbitrary …

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 …

Building one-time memories from isolated qubits

January 14, 2014
Author(s)
Yi-Kai Liu
… is somewhat surprising, as OTM's cannot exist in a fully-quantum world or in a fully-classical world; yet they can be built from the combination of a quantum resource (single-qubit measurements) with a classical … Our construction resembles Wiesner's original idea of quantum conjugate coding, implemented using random …

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 …

Two-qubit silicon quantum processor with operation fidelity exceeding 99%

April 6, 2022
Author(s)
Michael Gullans, Adam Mills, Charlie Guinn, Anthony Sigillito, Mayer Feldman, Nielsen Erik, Jason Petta
… Silicon spin qubits satisfy the necessary criteria for quantum information processing. However, precision is … control. We use two qubits in a six qubit Si/SiGe quantum processor to demonstrate, for the first time, state … control fidelities above 99%. The operation of the quantum processor is quantitatively characterized using gate …
Displaying 151 - 175 of 9846
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