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Displaying 526 - 550 of 9847

Certified Quantum Measurement of Majorana Fermions

March 12, 2020
Author(s)
Emanuel H. Knill, Abu Ashik Md. Irfan, Karl H. Mayer, Gerardo Ortiz
… We present a quantum self-testing protocol to certify measurements of … Contextuality, Majorana fermions, Quantum self testing … Certified Quantum Measurement of Majorana Fermions …

Automation of Quantum Dot Measurement Analysis via Explainable Machine Learning

January 13, 2025
Author(s)
Daniel Schug, Tyler Kovach, Michael Wolfe, Jared Benson, Sanghyeok Park, J. P. Dodson, Joelle Corrigan, Mark Eriksson, Justyna Zwolak
… The rapid development of quantum dot (QD) devices for quantum computing has necessitated more efficient and … explainable machine learning techniques to the analysis of quantum dot measurements, paving the way for further advances … learning, explainable boosting machines, semiconductor quantum dots …

Enriching and purifying silicon epilayers for quantum information

December 6, 2016
Author(s)
Joshua M. Pomeroy, Kevin J. Dwyer, Ke Tang, Hyun S. Kim, Aruna N. Ramanayaka, David S. Simons
… spins that allow candidate qubits (single donors or quantum dots) to exhibit very long dephasing times compared … niche supplies exist and the advancement of silicon based quantum information is limited by access to these. As quantum information has made progress, efforts to increase …

Creating Polarization-Entangled Photon Pairs from a Semiconductor Quantum Dot Using the Optical Stark Effect

November 20, 2009
Author(s)
Andreas Muller, Wei Fang, John R. Lawall, Glenn S. Solomon
… Because of its atom-like properties, a semiconductor quantum dot is an ideal source of this light. However, … atoms' is generally precluded by the asym-metric quantum dot confinement and its associated fine-structure … well-known entanglement tests. Our approach applies to quantum dots with typical fine-structure splittings, …

Measurable Improvement in Multi-Qubit Readout Using a Kinetic Inductance Traveling Wave Parametric Amplifier

August 1, 2025
Author(s)
Manuel Beltran, Logan Howe, Andrea Giachero, Michael Vissers, Danilo Labranca, Joel Ullom, Peter Hopkins
… Superconducting quantum computing benefits significantly from readout chains operating very near the Quantum Limit (QL) of added noise. This is typically achieved … Traveling wave parametric amplifier, kinetic inductance, quantum-limit, noise, quantum computing, multi-qubit …

Paving the Runway for Standardization of Post-Quantum Cryptography

February 1, 2022
Author(s)
Lily Chen
… This article will discuss quantum impact on the current widely deployed cryptographic … approaches being taken by SC27 to prepare for the quantum era. … Post-Quantum Cryptography, Standing Document 8, ISO/IEC JTC1 SC27 … Paving the Runway for Standardization of Post-Quantum Cryptography …

Scalable Quantum Logic Spectroscopy

November 2, 2022
Author(s)
Kaifeng Cui, Jose Valencia, Kevin Boyce, Ethan Clements, David Leibrandt, David Hume
… In quantum logic spectroscopy (QLS), one species of trapped ion … quantum information, optical clocks, trapped ions, quantum metrology … Scalable Quantum Logic Spectroscopy …

Cloud Hooks: Security and Privacy Issues in Cloud Computing

January 4, 2011
Author(s)
Wayne Jansen
… cloud hook formation provides a useful analogy for cloud computing, in which the most acute obstacles with outsourced … which are believed to have long-term significance in cloud computing security and privacy, based on documented problems … Cloud Computing, Computer Security, Privacy …

Epitaxial graphene for quantum resistance metrology

July 20, 2018
Author(s)
Mattias Kruskopf, Randolph Elmquist
… A new generation of graphene-based quantum Hall resistance standards promises high precision for … epitaxial graphene, quantum resistance metrology, quantum Hall effect … Epitaxial graphene for quantum resistance metrology …

Effects of resonant-laser excitation on the emission properties in a single quantum dot

March 27, 2018
Author(s)
Sergey Polyakov, Vivien Loo, Edward Flagg, Glenn S. Solomon, Olivier Gazzano, Tobias Huber
… non-resonantly, resonant excitation is necessary for many quantum information protocols as it often maximizes the … the resonance fluorescence in a solid-state system-- a quantum dot--with the addition of weak, non-resonant light. … change indicate that charge-carrier loss from the quantum dot is resonant laser. As we enter the Mollow triplet …

Subnanosecond Electro-optic Modulation of Triggered Single Photons from a Quantum Dot

May 23, 2011
Author(s)
Matthew T. Rakher, Kartik Srinivasan
… is an important resource for developing hybrid quantum systems which are composed of different physical … we extend this control to triggered photons emitted by a quantum dot, temporally shaping single photon wave-packets on … resulting from the recombination of an exciton in a quantum dot with exponentially decaying wave-packets are …

Quantum Logic with a Few Trapped Ions

January 1, 1998
Author(s)
C Monroe, Wayne M. Itano, D Kielpinski, B E. King, Dietrich Leibfried, C J. Myatt, Q A. Turchette, David J. Wineland, Chris S. Wood
… last several years for their possible application toward quantum computation. This paper considers quantum logic schemes for small numbers of ions in the … Quantum Logic with a Few Trapped Ions …

Quantum key distribution at telecom wavelengths with noise-free detectors

January 13, 2006
Author(s)
Danna Rosenberg, Sae Woo Nam, Philip A. Hiskett, Charles G. Peterson, Richard J. Hughes, Jane E. Nordholt, Adriana Lita, Aaron J. Miller
… The length of a secure link over which a quantum key can be distributed depends on the efficiency and … at the receiver. We report on the first demonstration of quantum key distribution using transition-edge sensors with … optical fiber. We discuss how use of these detectors in a quantum key distribution system can result in dramatic …

Phonon Assisted Gain in a Semiconductor Quantum Dot Maser

May 13, 2015
Author(s)
Michael Gullans, Yinyiu Liu, George Stehlik, Jason Petta, Jacob M. Taylor
… a microscopic model for the recently demonstrated double quantum dot (DQD) maser. In characterizing the gain of this … double quantum dot, cavity quantum electrodynamics, maser … Phonon Assisted Gain in a Semiconductor Quantum Dot Maser …

Tuning Arrays with Rays: Physics-Informed Tuning of Quantum Dot Charge States

September 28, 2023
Author(s)
Joshua Ziegler, Florian Luthi, Mick Ramsey, Felix Borjans, Guoji Zheng, Justyna Zwolak
… Quantum computers based on gate-defined quantum dots (QDs) are expected to scale. However, as the … machine learning, quantum dots, autonomous control … Tuning Arrays with Rays: Physics-Informed Tuning of Quantum Dot Charge States …

Simulating Capacitances to Silicon Quantum Dots: Breakdown of the Parallel Plate Capacitor Model

September 5, 2012
Author(s)
Ted C. Thorbeck, Akira Fujiwara, Neil M. Zimmerman
… The ability to design gate capacitances to quantum dots is critical for many applications of quantum dots from quantum information and single electron logic to standards. … gate capacitance, quantum dots, silicon, coulomb blockade … Simulating Capacitances to Silicon Quantum Dots: Breakdown of the Parallel Plate Capacitor Model …

Toward improved quantum simulations and sensing with trapped two-dimensional ion crystals via parametric amplification

March 29, 2023
Author(s)
Matthew Affolter, Wenchao Ge, Bryce Bullock, Shaun Burd, Kevin Gilmore, Jennifer Lilieholm, Allison Carter, John J. Bollinger
… Improving coherence is a fundamental challenge in quantum simulation and sensing experiments with trapped ions. … Theory suggests this protocol can be used to improve quantum spin squeezing, limited in our system by off-resonant … of center-of-mass frequency fluctuations for improving quantum spin squeezing in our setup. …

Computer Security Division 2004 Annual Report

August 1, 2005
Author(s)
Tanya L. Brewer
… the National Institute of Standards and Technology's Computer Security Division during Fiscal Year 2004. It … staff highlights, and publications. For many years, the Computer Security Division (CSD) has made great contributions … computer security, computer security awareness, computer …

Computer Security Division 2003 Annual Report

April 30, 2004
Author(s)
Tanya L. Brewer
… the National Institute of Standards and Technology's Computer Security Division during the Fiscal Year 2003. It … staff highlights, and publications. For many years, the Computer Security Division (CSD) has made great contributions … computer security, computer security awareness, computer …

Adaptive Grid Refinement for a Model of Two Confined and Interacting Atoms

February 1, 2005
Author(s)
William F. Mitchell, Eite Tiesinga
… equation in order to study the feasibility of a quantum computer based on extremely-cold neutral alkali-metal … of an optical lattice of counter-propagating laser beams. Quantum gates are constructed by bringing two atoms together … adaptive grid refinement, elliptic eigenvalue problems, quantum computing, Schroediner's equation …

Noise-free high-efficiency photon-number-resolving detectors

June 17, 2005
Author(s)
Danna Rosenberg, Adriana Lita, Aaron J. Miller, Sae Woo Nam
… entanglement protocols for linear optics quantum computing and experiments that simultaneously close the … Bell''''s inequality, linear optics quantum computing, photon detector, quantum efficiency, TES, …

Gradient-based stopping rules for maximum-likelihood quantum-state tomography

September 18, 2012
Author(s)
Scott C. Glancy, Emanuel H. Knill, Mark Girard
… When performing maximum likelihood quantum state tomography, one must find the quantum state that maximizes the likelihood for observed … on identically prepared systems, all having that quantum state. This optimization is usually performed with … maximum likelihood, quantum tomography, stopping criterion …
Displaying 526 - 550 of 9847
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