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Displaying 901 - 925 of 3643

Quantum interference between two single photons of different microwave frequencies

April 20, 2012
Author(s)
Francois E. Nguyen, Eva A. Zakka-Bajjani, Jose A. Aumentado, Raymond W. Simmonds
… Quantum interference is an important tool for fields such as lithography, metrology and quantum processing. Two identical optical photons (photons … port. This is a consequence of a complete destructive quantum interference between the two indistinguishable paths …

Geometric interference in a high-mobility graphene annulus p-n junction device

January 10, 2022
Author(s)
Son Le, Albert Rigosi, Joseph Hagmann, Christopher Gutierrez, Ji Ung Lee, Curt A. Richter
… with a traditional Hall bar geometry, as well as with quantum transport simulation data. Since the two devices are … source of the observed geometric interference patterns is quantum scarring. … quantum transport, graphene, quantum interference, nanoelectronics, nanoscale device …

Assembling a complex quantum ensemble

April 10, 2015
Author(s)
Ian B. Spielman
… This agnostic approach, valid for both classical and quantum systems, requires only minimal additional information … Assembling a complex quantum ensemble …

Randomized Benchmarking of Atomic Qubits in an Optical Lattice

November 4, 2010
Author(s)
Steven M. Olmschenk, Radu S. Chicireanu, Karl D. Nelson, James V. Porto
… We perform randomized benchmarking on neutral atomic quantum bits (qubits) confined in an optical lattice. Single … of the system, and its viability to more advanced quantum information protocols. … benchmarking, optical lattice, quantum information …

High-Energy Magnetic Excitations from Heavy Quasiparticles in CeCu 2 Si 2

June 18, 2021
Author(s)
Yu Song, Weiyi Wang, Chongde Cao, Zahra Yamani, Yuanji Xu, Yutao Sheng, Wolfgang Loser, Yiming Qiu, Yi-Feng Yang, Robert J. Birgeneau, Pengcheng Dai
… CeCu 2 Si 2 is located near an antiferromagnetic quantum critical point, indicating significant interplay … NPJ Quantum Materials …

Detection-Loophole-Free Test of Quantum Nonlocality, and Applications

September 26, 2013
Author(s)
B. G. Christensen, Kevin McCusker, Joseph Altepeter, Brice R. Calkins, Thomas Gerrits, Adriana Lita, Aaron J. Miller, Krister Shalm, Sae Woo Nam, P. G. Kwiat
… additional Bell tests, testing the upper limit of quantum correlations. Finally, we use the source to generate secure quantum random numbers at rates 5 orders of magnitude beyond … Detection-Loophole-Free Test of Quantum Nonlocality, and Applications …

What Metrology Gains With Quantized Resistance Standards

December 1, 2000
Author(s)
Randolph E. Elmquist
… The emergence of quantum metrology is expressed in modern electrical … standards, primarily through the Josephson effect and the quantum Hall effect. The Josephson and von Klitzing constants that relate to these standards are given in quantum theory by ideal equations KJ = 2e/h and RK = h/e2, …

QUANTUM-LIMITED 2D SENSORS FOR PH AND BIOSENSING

September 27, 2019
Author(s)
Arvind K. Balijepalli, Son T. Le, Harish C. Pant, Curt A. Richter
… field-effect transistors (FETs) that operate at the quantum capacitance limit. The FETs are fabricated with … to the ionic liquid gate by 200x, limited only by the quantum capacitance of the channel. The devices operate near … QUANTUM-LIMITED 2D SENSORS FOR PH AND BIOSENSING …

Complete Methods Set for Scalable Ion Trap Quanum Information Processing

September 4, 2009
Author(s)
Jonathan Home, David Hanneke, John D. Jost, Jason Amini, Dietrich G. Leibfried, David J. Wineland
… Building a quantum information processor capable of outperforming classical devices will require many quantum bits (qubits) and very large numbers of logical … of the qubits and the ability to perform subsequent quantum logic gate with high fidelity \cite{07Steane}. This …

Quantum for Pressure

January 5, 2018
Author(s)
Jay H. Hendricks, Patrick F. Egan, Jacob E. Ricker, Jack A. Stone Jr., Kevin O. Douglass, Gregory F. Strouse
… Pressure, Primary Standard, Quantum, Evangelista Torricelli, Mercury, Manometer, … Quantum for Pressure …

Quantum-based Voltage Waveform Synthesis

November 11, 2011
Author(s)
Samuel P. Benz
… and development was required to practically exploit the quantum behavior of superconducting Josephson junctions for … the accuracy of electrical measurements, even when using quantum-based systems. … Quantum-based Voltage Waveform Synthesis …

Study on Noise Reduction in Up-conversion Single Photon Detectors

September 9, 2010
Author(s)
Lijun Ma, Oliver T. Slattery, Xiao Tang
… count rate is a major concern for some applications in quantum optics. We have theoretically and experimentally … Proceedings of SPIE, Volume 7851, Quantum Communications and Quantum Imaging VIII …

Emerging Nontrivial Topology in Ultrathin Films of Rare-Earth Pnictides

October 23, 2023
Author(s)
Dai Ho, Ruiqi Hu, Quang To, Garnett Bryant, Anderson Janotti
… are expected to turn into semiconductors due to quantum confinement effect, which lifts the overlap between … LaSb as an example, we find the emergence of a quantum spin Hall insulating phase in LaSb(001) films as the … to 7, 5, or 3 monolayers. This is attributed to a strong quantum confinement effect on the in-plane electron pockets, …

Experimental purification of two-atom entanglement

October 19, 2006
Author(s)
Rainer Reichle, Dietrich G. Leibfried, Emanuel H. Knill, Joseph W. Britton, Brad R. Blakestad, John D. Jost, C. Langer, R Ozeri, Signe Seidelin, David J. Wineland
… is one of the most counterintuitive features of quantum mechanics. It is a necessary resource for quantum communication and quantum information processing. Entanglement established … entanglement purification, laser manipulation, quantum information processing, trapped ions …

Trapped-Ion Quantum Simulator,

January 1, 1998
Author(s)
David J. Wineland, C Monroe, Wayne M. Itano, B E. King, Dietrich G. Leibfried, C J. Myatt, Chris S. Wood
… ions ; such states can be used to demonstrate fundamental quantum correlations. … Trapped-Ion Quantum Simulator, …

Experimental demonstration of the near-quantum optimal receiver

November 19, 2020
Author(s)
Jabir Marakkarakath Vadakkepurayil, Ivan Burenkov, FNU Nur Fajar Rizqi Annafianto, Abdella Battou, Sergey Polyakov
… We implement the cyclic quantum receiver based on the theoretical proposal of Roy … used for the simple and robust practical implementation of quantum-enhanced optical communication. … Experimental demonstration of the near-quantum optimal receiver …

Creation of a six-atom Schrodinger cat state

December 1, 2005
Author(s)
Dietrich G. Leibfried, Emanuel H. Knill, Signe Seidelin, Joseph W. Britton, Brad R. Blakestad, J Chiaverini, David Hume, Wayne M. Itano, John D. Jost, C. Langer, R Ozeri, Rainer Reichle, David J. Wineland
… Among highly entangled states of multiple quantum systems, Schrödinger cat states are particularly … states are equal superpositions of two maximally different quantum states. They are a fundamental resource in fault-tolerant quantum computing and quantum communication, where they can …

First Report on Quantum Dot Coated CMOS CID Arrays for the UV and VUV

December 13, 2013
Author(s)
Uwe Arp, Robert E. Vest, Zoran Ninkov, Ross Robinson, Suraj Bhaskaran
… shelf (COTS) detector arrays with a thin, uniform layer of quantum dots. The quantum deposition is accomplished using an Optomec Aerosol … When illuminated by UV, deep UV and Extreme UV (EUV) the quantum dots will fluoresce and those emitted photons will be … First Report on Quantum Dot Coated CMOS CID Arrays for the UV and VUV …

Quantum mechanical effects in plasmonic structures with subnanometre gaps

June 3, 2016
Author(s)
Wenqi Zhu, Ruben Esteban, Andrei G. Borisov, Jeremy J. Baumberg, Peter Nordlander, Henri J. Lezec, Javier Aizpurua, Kenneth B. Crozier
… enhancements. It has recently become apparent that quantum mechanical effects such as nonlocality and electron … separations approach the subnanometre length-scale. Such quantum effects challenge the classical picture of nanogap … Quantum mechanical effects in plasmonic structures with …

Synthesizing Accurate Voltages with Superconducting Quantum-Based Standards

June 1, 2010
Author(s)
Samuel P. Benz
… Over the past three decades, the quantum behavior of superconducting Josephson junctions were … capabilities and measurement techniques of three unique quantum-based systems and summarizes their use as accurate dc … Synthesizing Accurate Voltages with Superconducting Quantum-Based Standards …
Displaying 901 - 925 of 3643
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