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Displaying 376 - 400 of 3643

Dynamics of a pulsed single photon source

December 18, 2012
Author(s)
Sergey V. Polyakov, Edward B. Flagg, Tim O. Thomay, Glenn S. Solomon
… a nonclassical state produced from a single InAs quantum dot (QD). We experimentally observe variations in the … Quantum theory - reconsideration of foundations 6 … Single photon source, quantum dot, dynamics …

Fractional Quantum Hall States of Rydberg Polaritons

March 31, 2015
Author(s)
Mohammad F. Maghrebi, Norman Y. Yao, Mohammad Hafezi, Thomas Pohl, Ofer Firstenberg, Alexey Gorshkov
… We propose a scheme for realizing fractional quantum Hall states of light. In our scheme, photons of two … topological flat band gives rise to a photonic fractional quantum Hall state on a lattice, i.e. a fractional Chern … proposed scheme also allows one to implement fractional quantum Hall states of Rydberg atoms in a lattice. …

Quantum Mutual Information after One Half of an Entangled State Propagates through a Dispersive Medium

May 25, 2014
Author(s)
Jeremy B. Clark, Ryan T. Glasser, Quentin C. Glorieux, Ulrich Vogl, Tian Li, Kevin M. Jones, Paul D. Lett
… The dynamics of quantum states of light propagating through slow-light media … theoretically and experimentally. The question as to how quantum properties like entanglement behave upon propagation … through a fast-light medium of Rb vapor. We show that the quantum correlations associated with continuous-variable …

Materializing Rival Ground States in the Barlowite Family of Kagome Magnets: Quantum Spin Liquid, Spin Ordered, and Valence Bond Crystal States

April 14, 2020
Author(s)
Rebecca W. Smaha, Wei He, Jack Mingde Jiang, JiaJia Wen, Yi-Fan Jiang, John P. Sheckelton, Charles J. Titus, Suyin Grass Wang, Yu-Sheng Chen, Simon J. Teat, Adam A. Aczel, Yang Zhao, Guangyong Xu, Jeffrey W. Lynn, Hong-Chen Jiang, Young S. Lee
… Quantum magnet display exotic phases that may be strongly … barlowite, moving the hexagonal sample closer to a quantum spin liquid ground state. Sizable single crystals of … transition is observed down to T=0.1 K, consistent with a quantum spin liquid ground state. The magnetic response is …

A Cryogenic Quantum-Based RF Source

September 10, 2020
Author(s)
Justus A. Brevik, Alirio De Jesus Soares Boaventura, Manuel C. Castellanos Beltran, Christine A. Donnelly, Nathan E. Flowers-Jacobs, Anna E. Fox, Peter F. Hopkins, Paul D. Dresselhaus, Dylan Williams, Samuel P. Benz
… the results and measurement procedure for generating quantum-based signals using an array of Josephson junctions … and calibrating those signals to transfer the on-wafer quantum-based accuracy to room temperature. … waveform synthesizer, results, measurement procedure, quantum-based signals, Josephson junctions, circuits, …

Fast and robust quantum computation with Wigner crystals of ions

April 15, 2011
Author(s)
J D. Baltrusch, A Negretti, T Calarco, Jacob Taylor
… We present a detailed analysis of the modulated-carrier quantum phase gate implemented with Wigner crystals of ions … dipole forces needed to realize the investigated quantum computing scheme. … Wagner crystal, Ion quantum computing … Fast and robust quantum computation with Wigner crystals of ions …

Is Quantum Cryptography Provably Secure?

June 1, 2009
Author(s)
Anastase Nakassis, Joshua C. Bienfang, Paul M. Johnson, Alan Mink, D J. Rogers, Xiao Tang, Carl J. Williams
… Quantum cryptography asserts that shared secrets can be … amplification, BB84, Homeland Security, quantum key distribution, reconciliation … Is Quantum Cryptography Provably Secure? …

Is Quantum Cryptography Provably Secure?

April 1, 2006
Author(s)
Anastase Nakassis, Joshua Bienfang, P. Johnson, Alan Mink, D. Rogers, Xiao Tang, Carl J. Williams
… Quantum cryptography asserts that shared secrets can be … Amplification, BB84, Homeland Security, Quantum Key Distribution, Reconciliation … Is Quantum Cryptography Provably Secure? …

Multiscale Modeling of Mechanical Response of Quantum Nanostructures

May 1, 2004
Author(s)
Vinod K. Tewary, B Yang
… is described for modeling the mechanical response of quantum nanostructures in semiconductors. The method accounts … is applied to calculate the displacement field due to a Ge quantum dot in a semi-infinite Si lattice. Corresponding … Kanzaki force, multiscale modeling, nanostructures, quantum dots, semiconductors …

Quantum Critical Point in the Sc-Doped Itinerant Antiferromagnet TiAu

June 14, 2017
Author(s)
E. Svanidze, T. Besara, J. K. Wang, D. Geiger, L. Prochaska, J. M. Santiago, Jeffrey W. Lynn, S. Paschen, E. Morosan
… We present the first experimental realization of a quantum critical point in an itinerant antiferromagnetic realization of a quantum critical point in an intinerant antiferromagnet … 1-x Sc x Au, a doping amount of x c =0.13 ± 0.01 induces a quantum critical point with minimal disorder effects. The …

Modular Autonomous Virtualization System for Two-Dimensional Semiconductor Quantum Dot Arrays

April 30, 2025
Author(s)
Anantha Rao, Donovan Buterakos, Barnaby van Straaten, Valentin John, Cecile Yu, Stefan Oosterhout, Lucas Stehouwer, Giordano Scappucci, Menno Veldhorst, Francesco Borsoi, Justyna Zwolak
… Arrays of gate-defined semiconductor quantum dots are among the leading candidates for building scalable quantum processors. High-fidelity initialization, control, … matrices accurately and efficiently in large quantum dot registers is an open challenge. Here, we …

Trapped Ions, Entanglement, and Quantum Computing

May 1, 1998
Author(s)
C J. Myatt, B E. King, D Kielpinski, Dietrich Leibfried, C S. Turchette, Chris S. Wood, Wayne M. Itano, C Monroe, David J. Wineland
… has been used in recent experiments toward realizing a quantum computer in a trapped ion system. With the … ion traps, laser cooling and trapping, quantum computing, quantum logic … Trapped Ions, Entanglement, and Quantum Computing …

Entangling distant resonant exchange qubits via circuit quantum electrodynamics

November 16, 2016
Author(s)
Jacob M. Taylor, Vanita Srinivasa, Charles Tahan
… We investigate a hybrid quantum system consisting of spatially separated resonant … qubits, defined in three-electron semiconductor triple quantum dots, that are coupled via a super- conducting … By analyzing three specific approaches drawn from circuit quantum electrodynamics and Hartmann-Hahn double resonance …

Quantum Process Fidelity Bounds from Sets of Input States

November 21, 2018
Author(s)
Emanuel H. Knill, Karl H. Mayer
… We investigate the problem of bounding the quantum process fidelity given bounds on the fidelities … Quantum information, Quantum tomography. … Quantum Process Fidelity Bounds from Sets of Input States …

Operating quantum waveguide circuits with superconducting single-photon detectors

May 24, 2010
Author(s)
C. M. Natarajan, A. Peruzzo, Shigehito Miki, Masahide Sasaki, Z. Wang, Burm Baek, Sae Woo Nam, Robert Hadfield, Jeremy L. O'Brien
… Advanced quantum information science and technology (QIST) … applications place exacting demands on optical components. Quantum waveguide circuits offer a route to scalable QIST on … (89.9 ± 0.3%). We further operated controlled-NOT gate and quantum metrology circuits with SSPDs. These demonstrations …

Quantum Oscillations from the Reconstructed Fermi Surface in Electron-Doped Cuprate Superconductors

April 12, 2018
Author(s)
J. S. Higgins, M. K. Chan, Tarapada Sarkar, R. McDonald, R. L. Greene, Nicholas Butch
… overdoped Pr 2-x Ce x CuO 4±δ and La d2-x^Ce x CuO 4±δ , quantum oscillations indicate the presence of a small Fermi … change in scattering that modifies the amplitude of quantum oscillations. This behavior is consistent with … cuprate, superconductivity, quantum oscillations …

A Macroscopic Mass From Quantum Behavior In An Integrated Approach

December 10, 2022
Author(s)
Frank Seifert, Alireza Panna, Lorenz Keck, Leon Chao, Shamith Payagala, Dean G. Jarrett, Dipanjan Saha, Randolph Elmquist, Stephan Schlamminger, Albert Rigosi, David B. Newell, Darine El Haddad
… difficult to realize experimentally. With the advent of quantum electrical standards, specifically the prediction of … by B. Josephson in 1962 [1], and the discovery of the quantum Hall effect by K. v. Klitzing in 1980 [2], the … defined via electrical power using the Josephson and the quantum Hall effect. While the Kibble balance has …

Unification of universal and non-universal topological quantum computation

July 26, 2011
Author(s)
Haitan Xu, Jacob Taylor
… Approaches for implementing primitives for quantum computation using Read-Reyazi anyons remain … k > 4. In the process, we show how the constructions for quantum memory in non-universal anyon classes connect naturally to the construction of quantum bits for computation in the universal class, unifying …

Accurate Unsupervised Photon Counting from Transition Edge Sensor Signals

September 5, 2025
Author(s)
Nicolas Dalbec-Constant, Guillaume Thekkadath, Duncan England, Thomas Gerrits, Nicolas Quesada
… resolving detectors fundamental for accessing quantum advantages in information processing, communication … Quantum Science and Technology … photon-number resolution, transition edge sensor, quantum optics …

Coupling an epitaxial quantum dot to a fiber-based external-mirror microcavity

June 3, 2021
Author(s)
Andreas Muller, Edward B. Flagg, Michael Metcalfe, John R. Lawall, Glenn S. Solomon
… We report the coupling of individual InAs quantum dots (QDs) to a single mode of an external-mirror … semiconductor quantum dots, cavity quantum electrodynamics, quantum optics … Coupling an epitaxial quantum dot to a fiber-based external-mirror microcavity …

Optimized Dynamical Decoupling in a Model Quantum Memory

April 23, 2009
Author(s)
Michael J. Biercuk, Hermann Uys, Aaron Vandevender, N. Shiga, Wayne M. Itano, David J. Wineland, John J. Bollinger
… pulse sequences in suppressing phase errors in a model quantum memory. Our experimental system consists of a … quantum computing, quantum information, quantum memory, dynamical decoupling, spin echo, decoherence, … Optimized Dynamical Decoupling in a Model Quantum Memory …

Dynamics of single photon emission from a quantum dot emitting photons at a telecom wavelength

May 4, 2025
Author(s)
Ivan Burenkov, Lijun Ma, Sergey Polyakov, Daehyun Ahn, Mohamed Benyoucef, Donghan Lee
… the dynamics of single-photon emission from a near C-band quantum dot using a time-resolved Hanbury Brown and Twiss … Quantum dot, quantum emitter, quantum network, single photon emission, Hanbury Brown and … Dynamics of single photon emission from a quantum dot emitting photons at a telecom wavelength …

Parallel Device-Independent Quantum Key Distribution

April 9, 2020
Author(s)
Rahul Jain, Carl Miller, Yaoyun Shi
… A prominent application of quantum cryptography is the distribution of cryptographic … users do not need to trust the integrity of the underlying quantum devices. The protocols analyzed by them and by … Bell inequalities, nonlocal games, parallel repetition, quantum self-testing, von Neumann entropy, quantum …
Displaying 376 - 400 of 3643
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