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Displaying 826 - 850 of 3643

Practical Resource Optimization of Quantum-Enabled Communication Channels

July 21, 2021
Author(s)
Jabir Marakkarakath Vadakkepurayil, FNU Nur Fajar Rizqi Annafianto, Ivan Burenkov, Abdella Battou, Sergey Polyakov
… introduce new practical modulation schemes inspired by the quantum measurement. We experimentally show that our quantum-enabled communication system optimizes the combined … Practical Resource Optimization of Quantum-Enabled Communication Channels …

Quantitative Characterization of Quantum Dot-labeled Lambda Phage for Escherichia coli Detection

July 24, 2009
Author(s)
Peter Yim, Matthew L. Clarke, Michael McKinstry, Silvia H. De Paoli Lacerda, Leonard F. Pease III, Marina A. Dobrovolskaia, Hyeong G. Kang, David T. Read, Shanmuga Sozhamannan, Jeeseong C. Hwang
… of bacteriophage lambda with the sensitivity of CdSe/ZnS quantum dot (QD)-based fluorescence. Specifically, … mobility assay (ES-DMA), fluorescence, phage, quantum dot … Quantitative Characterization of Quantum Dot-labeled Lambda Phage for Escherichia coli …

Quantum Dot FRET Sensor for Enzymatic Activity in Microfluidic Device

June 22, 2010
Author(s)
Georgeta Crivat, Sandra M. Da Silva, Darwin Reyes-Hernandez, Samuel Forry, Laurie E. Locascio, Michael Gaitan, Nitsa Rosenzweig, Zeev Rosenzweig
… of new fluorescence resonance energy transfer (FRET)-based quantum dot probes for proteolytic activity. The CdSe/ZnS quantum dots are incorporated into a thin polymeric film, … deposition of alternately charged polyelectrolytes. The quantum dots, which serve as fluorescent donors, are …

Spin Excitations in a Fermi Gas of Atoms

January 1, 2002
Author(s)
B. L. DeMarco, Deborah S. Jin
… have experimentally investigated a a spin excitation in a quantum degenerate Fermi gas of atomes. In the hydrodynamic … time of the collective excitation is used to probe the quantum behavior of the gas. At temperatures below the Fermi … we observe a strong excitation energy dependence for this quantum statistical effect. …

Coherent light brightens the frontier of quantum science and technology

February 1, 2019
Author(s)
Jun Ye, Margaret Murnane
… revolutionary progress in precision measurements and the quantum control of atomic, molecular, and condensed matter … photons – can be used to coherently probe and manipulate quantum systems. Topics on the frontiers of research include quantum communication via entangled photons, probing and …

Quantum interface between an electrical circuit and a single atom

March 30, 2012
Author(s)
Jacob M. Taylor, Dvir Kafri, David Kielpinski, G J. Milburn, M J. Woolley
… are remarkably well suited to storage and processing of quantum information. However, their properties are tightly … to optical or electronic devices. On the other hand, quantum electronic circuits, such as superconducting … a superconducting microwave resonator. Our results enable quantum interfaces between solid state qubits, atomic qubits, …

Light polarization and quantum interference effects in unresolvable atomic lines: application to a precise measurement of the 6,7Li D2 lines.

March 7, 2013
Author(s)
Roger C. Brown, Saijun Wu, James V. Porto, Craig J. Sansonetti, Clayton Simien, Samuel M. Brewer, Joseph N. Tan, John D. Gillaspy
… We characterize the effect of quantum interference of light scattering on the line shapes … atomic spectroscopy, line shape, lithium, polarization, quantum interference … Light polarization and quantum interference effects in unresolvable atomic lines: …

Single-photon Sources and Detectors Dictionary

September 7, 2023
Author(s)
Joshua Bienfang, Thomas Gerrits, Paulina Kuo, Alan Migdall, Sergey Polyakov, Oliver Slattery
… With the recent emergence and significant growth of a "quantum-component industry," the need for common definitions … pressing. For example, a recent workshop sponsored by the Quantum Economic Development Consortium [QC23] identified the … [LL09, ETS18] focuses specifically on the application of quantum key distribution, and there is a vocabulary resource …

Partial breakdown of quantum thermalization in a Hubbard-like model

February 17, 2017
Author(s)
James R. Garrison, Ryan Mishmash, Matthew P. Fisher
… We study the possible breakdown of quantum thermalization in a model of itinerant electrons on a … realizes a new, non-thermal phase of matter, known as a quantum disentangled liquid (QDL). The putative existence of … phase has striking implications for the foundations of quantum statistical mechanics. …

Voltage Metrology Using a Quantum AC Standard

September 1, 2015
Author(s)
Thomas E. Lipe, Joseph R. Kinard Jr., Yi-hua Tang, Samuel P. Benz, Charles J. Burroughs, Paul D. Dresselhaus
… We report on the use of a quantum-based AC voltage standard for ac-dc difference … the methods used to correct for its errors, the use of the quantum standard in voltage scaling, and its use in the NIST … Voltage Metrology Using a Quantum AC Standard …

Bipartite time-energy uncertainty relation for quantum metrology with noise

December 5, 2023
Author(s)
Philippe Faist, Mischa Woods, Victor Albert, Joseph Renes, Jens Eisert, John Preskill
… Noise in quantum metrology reduces the sensitivity to which one can determine an unknown parameter in the evolution of a quantum state, such as time. Here, we consider a system … local sensitivity to time, measured in terms of the quantum Fisher information, of the system after the …

Nb/a-Si/Nb-junction Josephson-based arbitrary waveform synthesizers for quantum information

February 24, 2023
Author(s)
David Olaya, John Biesecker, Manuel Castellanos Beltran, Adam Sirois, Paul Dresselhaus, Samuel P. Benz, Pete Hopkins, Logan Howe
… under microwave excitation show Shapiro steps with quantum-locking ranges similar to those of JAWS circuits used … electronics, Josephson devices, single flux quantum, fabrication process. … Josephson-based arbitrary waveform synthesizers for quantum information …

Photon-Efficient High-Dimensional Quantum Key Distribution

June 12, 2014
Author(s)
Tian Zhong, Hongchao Zhou, Ligong Wang, Gregory Wornell, Zheshen Zhang, Jeffrey Shapiro, Franco N. Wong, Rob Horansky, Varun Verma, Adriana Lita, Richard Mirin, Thomas Gerrits, Sae Woo Nam, Alessandro Restelli, Joshua Bienfang, Francesco Marsili, Matthew Shaw
… (270.5565) Quantum communications, (270.5585) Quantum information and processing, (270.0270) Quantum optics. … Photon-Efficient High-Dimensional Quantum Key Distribution …

Internal quantum efficiency modeling of silicon photodiodes

April 1, 2010
Author(s)
Thomas R. Gentile, Steven W. Brown, Keith R. Lykke, Ping-Shine Shaw, John T. Woodward IV
… Results are presented for modeling of the internal quantum efficiency (IQE) of silicon photodiodes in the 400 nm … The IQE data are based on measurements of the external quantum efficiencies of three transmission trap detectors … Internal quantum efficiency modeling of silicon photodiodes …

Quantum Entropic Effects in the Liquid Viscosities of Hydrogen, Deuterium, and Neon

July 26, 2023
Author(s)
Ian Bell, Jacob Leachman, Albert Rigosi, Heather Hill
… theory have long been known to be inaccurate for deeply quantum fluids. To address this need, this paper investigates how quantum effects impact thermo- dynamics and momentum transfer … show that conventional entropy scaling is inadequate for quantum-dominated systems. We then provide a simple empirical …

Quantum Electrodynamics and the Fundamental Constants

August 1, 2000
Author(s)
Peter J. Mohr, Barry N. Taylor
… Many of the theoretical expressions are based on quantum electrodynamics (QED), so the consistency of the … Quantum Electrodynamics and the Fundamental Constants …

Quantum Dynamics Simulation of the Ultrafast Photoionization of Li 2

January 1, 2001
Author(s)
J Pesce, Z Amitay, R Uberna, S R. Leone, M Ratner, R Kosloff
… experimental pump/probe ultrafast photoionization with quantum dynamical calculations on well characterized … best available potential energy surfaces and appropriate quantum dynamical methods to analyze the photoionization and … comparison between calculated (ab initio) and measured quantum dynamics is made for signals obtained with different …

Exceeding the Sauter-Schwinger limit of pair production with a quantum gas

September 21, 2019
Author(s)
Alina M. Pineiro Escalera, Mingwu Lu, Dina Genkina, Ian Spielman
… We quantum-simulated particle-antiparticle pair production with a bosonic quantum gas in an optical lattice by emulating the requisite … excess of Sauter-Schwinger's limit for pair production in quantum electrodynamics, and therefore readily produced … the Sauter-Schwinger limit of pair production with a quantum gas …
Displaying 826 - 850 of 3643
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