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Displaying 951 - 975 of 3643

Comprehensive Capacitance-Voltage Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part II - Fits and Extraction from Experimental Data

July 21, 2017
Author(s)
Sarkar Anwar, William Vandenberghe, Gennadi Bersuker, Dmitry Veksler, Giovanni Verzellesi, Rohit Galatage, Creighton Buie, Adam Barton, Eric Vogel, Christopher Hinkle
… (CV ACE) includes the effects of nonparabolic bands and quantum capacitance, enabling accurate models to be applied … C-V Simulation, Quantum mechanical effects, Dit extraction, III-V … Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part …

Quantum Dense Coding with Atomic Qubits

January 1, 2004
Author(s)
T Schaetz, Murray D. Barrett, Dietrich G. Leibfried, J Chiaverini, Joseph W. Britton, Wayne M. Itano, John D. Jost, Christopher Langer, David J. Wineland
… We report the implementation of quantum dense coding on individual atomic qubits with the use … Quantum Dense Coding with Atomic Qubits …

Entanglement Blocking in DLCZ-based Networks

June 10, 2021
Author(s)
Abdella Battou
… dependent blocking mechanisms for entanglement routing in quantum networks are identified and characterized in … Quantum, Networking, Optical DLCZ …

Testing Three-body Quantum Electrodynamics with Trapped Ti-20 Ions: Evidence for a Z-Dependent Divergence between Experiment and Calculation

October 10, 2012
Author(s)
Lawrence T. Hudson, C T. Chantler, Mark N. Kinnane, John D. Gillaspy, A.T. Payne, L F. Smale, Albert Henins, Joseph N. Tan, J A. Kimpton, E Takacs, K Makonyi, Joshua M. Pomeroy
… This measurement is one of few sensitive to two-electron quantum electrodynamics (QED) contributions. Systematic … quantum electrodynamics, highly-charged ions, helium-like … Testing Three-body Quantum Electrodynamics with Trapped Ti-20 Ions: Evidence for …

Broadband, efficient extraction of quantum light by a photonic device comprised of a metallic nano-ring and a gold back reflector

February 21, 2022
Author(s)
Cori Haws, Edgar Perez, Marcelo Davanco, Jin Dong Song, Kartik Srinivasan, Luca Sapienza
… To implement quantum light sources based on quantum emitters in applications, it is desirable to improve … into optical fibers and send the information encoded in quantum light over long distances, for quantum communication … Broadband, efficient extraction of quantum light by a photonic device comprised of a metallic …

A circular dielectric grating for vertical extraction of single quantum dot emission

July 25, 2011
Author(s)
Marcelo I. Davanco, Matthew T. Rakher, Dieter Schuh, Antonio Badolato, Kartik A. Srinivasan
… ( approx. 5 nm) extraction of emission from single InAs quantum dots. Simulations indicate that a single dipole … with a NA=0.42 objective, a 20 times improvement over quantum dots in unpatterned GaAs. A fourfold reduction in quantum dot exciton lifetime is observed, suggesting moderate …

Quantum superposition of a single microwave photon in two different colour states

July 3, 2011
Author(s)
Eva A. Zakka-Bajjani, Francois E. Nguyen, Minhyea Lee, Leila R. Vale, Raymond Simmonds, Joe Aumentado
… to manipulate photonic states is an important tool for quantum information processing. In cavity quantum electrodynamics (QED), coupling between bosonic modes … and extends the possibilities for the developing field of quantum microwave photonics. … Quantum superposition of a single microwave photon in two …

Microwave-based arbitrary cphase gates for transmon qubits

January 17, 2020
Author(s)
George S. Barron, Fernando A. Calderon-Vargas, Junling Long, David P. Pappas, Sophia E. Economou
… Superconducting transmon qubits are of great interest for quantum computing and quantum simulation. A key component of quantum chemistry simulation algorithms is breaking up the … superconducting transmon qubits, quantum computing, quantum simulation, nonmaximally …

Neutron Scattering Study of Magnetic Anisotropy in the Tetragonal Antiferromagnet Bi 2 CuO 4

April 26, 2021
Author(s)
Bo Yuan, Nicholas Butch, Guangyong Xu, Barry Winn, J. P. Clancy, Young-June Kim
… study of low energy magnetic excitations in S =1/2 quantum magnet Bi 2 CuO 4 with a tetragonal lattice … cuprates, the observed anisotropy is attributed to a pure quantum effect. Our calculation of magnon quantum zero point fluctuation shows this quantitatively. The …

Randomized Benchmarking of Multiqubit Gates

June 29, 2012
Author(s)
John P. Gaebler, Adam M. Meier, Ting Rei Tan, Ryan S. Bowler, Yiheng Lin, David Hanneke, John D. Jost, Jonathan Home, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland
… As experimental platforms for quantum information processing continue to mature, … the quality of unitary gates that can be applied to their quantum bits (qubits) becomes essential. Eventually, the … must be sufficiently high to support arbitrarily long quantum computations. Randomized benchmarking already …

An Overview of Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures

March 28, 2023
Author(s)
Peter Vouras, Kumar Vijay Mishra, Aly Artusio-Glimpse, Samuel Pinilla, Angeliki Xenaki, David W. Griffith, Karen Egiazarian
… from the classical SA applications, we also discuss the quantum electric-field-sensing probes in SAs that are … Ptychography, quantum information engineering, radar, channel sounding, … Advances in Signal Processing Techniques for Classical and Quantum Wideband Synthetic Apertures …

Quantum-limited optical time transfer for future geosynchronous links

June 21, 2023
Author(s)
Emily Caldwell, Jean-Daniel Deschenes, Jennifer Ellis, William C. Swann, Benjamin Stuhl, Hugo Bergeron, Nathan R. Newbury, Laura Sinclair
… Thus far, only optical clocks have pushed towards quantum-limited performance. By contrast, optical time transfer has not operated at the analogous quantum limit set by the number of received photons. Here we demonstrate time transfer with near quantum-limited acquisition and timing at 10,000 times lower …

Investigations of a coherently driven semiconductor optical cavity QED system

September 30, 2008
Author(s)
Kartik A. Srinivasan, Christopher P. Michael, Raviv Perahia, Oskar Painter
… cavity QED devices consisting of a self-assembled InAs quantum dot (QD) coupled to a high quality factor GaAs … conditions are presented, which when compared with a quantum master equation model of the system allows for … Cavity quantum electrodynamics, microcavities, quantum dots …

Valley blockade in a silicon double quantum dot

November 13, 2017
Author(s)
Justin K. Perron, Michael Gullans, Jacob Taylor, Michael Stewart, Neil M. Zimmerman
… Electrical transport in double quantum dots (DQD) is useful for illuminating many interesting aspects of the carrier states in quantum dots. Here we show data comparing bias triangles … Valley blockade in a silicon double quantum dot …

Quantum Nondemolition Measurement of a Nonclassical State of a Massive Object

December 7, 2015
Author(s)
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
… We, first, demonstrate the ability to perform a continuous quantum nondemolition measurement of a single mechanical … resolving quadrature fluctuations 20% below the quantum noise. … Quantum Nondemolition Measurement of a Nonclassical State of …

Simplified Quantum Logic with Trapped Ions

January 1, 1997
Author(s)
C Monroe, Dietrich Leibfried, B E. King, D M. Meekhof, Wayne M. Itano, David J. Wineland
… We describe a simplified scheme for quantum logic with a collection of laser-cooled trapped … Simplified Quantum Logic with Trapped Ions …

High Fidelity Universal Gate Set for 9Be+ Ion Qubits

August 4, 2016
Author(s)
John P. Gaebler, Ting R. Tan, Yong Wan, Yiheng Lin, Ryan S. Bowler, Adam C. Keith, Scott Glancy, Kevin Coakley, Emanuel Knill, Dietrich Leibfried, David J. Wineland
… We report high-fidelity laser-beam-induced quantum logic gates on qubits comprised of hyperfine states … Entanglement, Quantum computation, Quantum information processing, Quantum logic gates, Quantum …

Mechanically mediated microwave frequency conversion

January 26, 2016
Author(s)
Florent Q. Lecocq, Jeremy B. Clark, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel
… this optomechanical frequency converter is suitable for quantum state transduction. We show the ability to operate … for photon routing and communication through complex quantum networks. … optomechanics, microwave, frequency conversion, quantum …

Comprehensive Capacitance-Voltage Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part I - Model Description and Validation

July 21, 2017
Author(s)
Sarkar Anwar, William Vandenberghe, Gennadi Bersuker, Dmitry Veksler, Giovanni Verzellesi, Creighton Buie, Eric Vogel, Christopher Hinkle
… Fermi-Dirac carrier statistics, nonparabolic bands, and quantum mechanical effects are all implemented with options … C-V Simulation, Quantum mechanical effects, Dit extraction, III-V … Simulation and Extraction Tool Including Quantum Effects for High-k on SixGe1􀀀x and InxGa1􀀀xAs: Part I …
Displaying 951 - 975 of 3643
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