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Displaying 651 - 675 of 3643

Quantum teleportation from a telecom-wavelength photon to a solid-state quantum memory

January 28, 2014
Author(s)
Felix Bussieres, Christoph Clausen, Alexey Tiranov, Boris Korzh, Varun Verma, Sae Woo Nam, Francesco Marsili, Alban Ferrier, Harald Hermann, Christine Silberhorn, Wolfgang Sohler, Mikael Afzelius, Nicolas Gisin
… In quantum teleportation [1], the state of a single quantum system is disembodied into classical information and … Quantum teleportation from a telecom-wavelength photon to a solid-state quantum memory …

Relaxation timescales and decay of correlations in a long-range interacting quantum simulator

August 1, 2013
Author(s)
John J. Bollinger, Mauritz van den Worm, Rytis Paskauskas, Brian C. Sawyer, Michael Kastner
… and thermalization behaviour of isolated many-body quantum systems. General mechanisms leading to thermalization … correlation functions in isolated long-range interacting quantum Ising systems. By imposing certain restrictions on … for benchmarking a recently developed ion-trap based quantum simulator. …

Quantum dot single photon sources studied with superconducting single photon detectors

November 1, 2006
Author(s)
Martin Stevens, Robert Hadfield, Sae Woo Nam, Richard Mirin
… photon antibunching from a single, self-assembled InGaAs quantum dot (QD) at temperatures up to 135 K. The … to measure spontaneous emission lifetimes of semiconductor quantum well (QWs) emitting light at wavelengths of 935 and … infrared, quantum dot, single photon detector, single photon source, …

Tunable Spin Qubit Coupling Mediated by a Multi-Electron Quantum Dot

June 4, 2015
Author(s)
Vanita Srinivasa, Haitan Xu, Jacob M. Taylor
… qubits localized on spatially separated impurity atoms or quantum dots via a multi-electron, two-level quantum dot. The effective exchange interaction mediated by … quantum dots, impurity atoms, exchange interaction, … Tunable Spin Qubit Coupling Mediated by a Multi-Electron Quantum Dot …

Examining epitaxial graphene surface conductivity and quantum Hall device stability with Parylene passivation

March 20, 2018
Author(s)
Albert F. Rigosi, Chieh-I Liu, Bi Y. Wu, Hsin Y. Lee, Mattias Kruskopf, Yanfei Yang, Heather M. Hill, Jiuning Hu, Emily G. Bittle, Jan Obrzut, Angela R. Hight Walker, Randolph E. Elmquist, David B. Newell
… graphene (EG) is the most promising candidate. EG-based quantum Hall devices, though emerging as a useful tool for … encapsulated graphene are electronic transport of EG quantum Hall devices and non-contact microwave perturbation … epitaxial graphene, quantum Hall effect, transport mobility, longitudinal …

Quantum Critical Fluctuations in the Heavy Fermion compound Ce(Ni^s0.935^Pd 0.065 ) 2 Ge 2

December 3, 2014
Author(s)
C. H. Wang, L. Poudel, A. E. Taylor, J .M. Lawrence, A. D. Christianson, Sung Chang, Jose Rodriguez Rivera, Jeffrey W. Lynn, A. A. Podlesnyak, G. Ehlers, R. E. Baumbach, E. D. Bauer, K. Gofryk, F. Ronning, K. J. McClellan, J. D. Thompson
… study the spin fluctuations near an antiferromagnetic (AF) quantum critical point (QCP). We find that the inverse … one of the central assumptions of the theory of a quantum transition in an itinerant antiferromagnet, namely … Spin Dynamics, heavy fermions, quantum critical point, inelastic neutron scattering …

Quantum Frequency Conversion of a Quantum Dot Single-Photon Source on a Nanophotonic Chip

May 20, 2019
Author(s)
Anshuman Singh, Qing Li, Shunfa Liu, Ying Yu, Xiyuan Lu, Christian Schneider, Sven Hofling, John Lawall, Varun Verma, Richard Mirin, Sae Woo Nam, Jin Liu, Kartik Srinivasan
… Single self-assembled InAs/GaAs quantum dots are promising bright sources of indistinguishable photons for quantum information science. However, their distribution in … limited the ability to create multiple identical sources. Quantum frequency conversion can overcome this issue, …

Cryogenic Calibration of a Quantum-based Radio Frequency Source

November 2, 2020
Author(s)
Alirio De Jesus Soares Boaventura, Justus Brevik, Dylan Williams, Anna Fox, Manuel Castellanos Beltran, Pete Hopkins, Paul Dresselhaus, Samuel P. Benz
… We report on the calibration of quantum-based radio frequency waveforms generated by a … calibration, Josephson arbitrary waveform synthesizer, quantum-based voltage standards … Cryogenic Calibration of a Quantum-based Radio Frequency Source …

A Versatile Waveguide Source of Photon Pairs for Chip-Scale Quantum Information Processing

April 8, 2009
Author(s)
Jun Chen, Aaron Pearlman, Alexander E. Ling, Jingyun Fan, Alan L. Migdall
… versatile device is highly promising for future chip-scale quantum information processing. … Entanglement, Spontaneous Parametric Down-Conversion, Quantum Information Processing, Waveguide … A Versatile Waveguide Source of Photon Pairs for Chip-Scale Quantum Information Processing …

Tunable spin-spin interactions and entanglement of ions in separate controlled potential wells

August 7, 2014
Author(s)
Andrew C. Wilson, Yves Colombe, K. R. Brown, Emanuel H. Knill, Dietrich G. Leibfried, David J. Wineland
… 2 Seth Lloyd 3 and others, researchers in the field of quantum information processing and simulation seek to harness the quantum-mechanical properties of well-controlled laboratory … systems to perform otherwise intractable computations and quantum simulations. Physical systems that cannot be modeled …

Reactive Scattering of F + HD -> HF(upsilion},J) + D: HF(upsilion},J) Nascent Product State Distributions and Evidence for Quantum Transition State Resonances

April 1, 2002
Author(s)
W W. Harper, S A. Nizkorodov, David Nesbitt
… equal to}0.001 cm -1 )infrared laser absorption for quantum state-resolved detection of nascent HF(Ņ,J) product … These results provide strong experimental support for quantum transition state resonance dynamics near E com nearly … et al. [J. Chem. Phys. 112, 4536 (2000)]. These fully quantum state resolved studies therefore nicely complement …

Optimal Surface-Electrode Trap Lattices for Quantum Simulation with Trapped Ions

June 12, 2009
Author(s)
Roman Schmied , Janus H. Wesenberg, Dietrich Leibfried
… Coulomb force. This makes them interesting candidates for quantum simulation of coupled lattices. To this end it is … ion trap, optimization, quantum simulation, surface electrode trap … Optimal Surface-Electrode Trap Lattices for Quantum Simulation with Trapped Ions …

Ultra fast quantum key distribution over a 97-km installed telecom fiber with wavelength-division-multiplexing clock synchronization

July 21, 2008
Author(s)
Akihiro Tanaka, Mikio Fujiwara, Sae Woo Nam, Yoshihiro Nambu, Seigo Takahashi, Wakako Maeda, Ken-ichiro Yoshino, Shigehito Miki, Burm Baek, Z. Wang, Akio Tajima, Masahide Sasaki, Akihisa Tomita
… We demonstrated ultra fast BB84 quantum key distribution (QKD) transmission at 625 MHz clock … generation at high sifted key rate of 2.4 kbps and a low quantum bit error ratio (QBER) of 2.9%. The asymptotic secure … quantum key distribution, decoy states, BB84, superconducting …

Stochastic Single Flux Quantum Neuromorphic Computing using Magnetically Tunable Josephson Junctions

October 16, 2016
Author(s)
Stephen E. Russek, Christine A. Donnelly, Michael Schneider, Burm Baek, Matthew Pufall, William Rippard, Pete Hopkins, Paul Dresselhaus, Samuel P. Benz
… Abstract— Single flux quantum (SFQ) circuits form a natural neuromorphic technology … single flux quantum, neuromorphic, magnetic Josephson junctions … Stochastic Single Flux Quantum Neuromorphic Computing using Magnetically Tunable …

Exotic behavior in quantum dot mode-locked lasers: dark pulses and bistability

May 24, 2012
Author(s)
Kevin L. Silverman, Mingming M. Feng, Richard P. Mirin, Steven T. Cundiff
… mode-locked semiconductor lasers with self-assembled quantum dot active regions can be operated in exotic output … quantum dots, mode-locking, bistability, dark pulses … Exotic behavior in quantum dot mode-locked lasers: dark pulses and bistability …

Non-magnetic ion site disorder effects on the quantum magnetism of a spin-1/2 equilateral triangular lattice antiferromagnet

March 10, 2022
Author(s)
Qing Huang, R. Rawl, W. W. Xie, E. S. Chou, V. S. Zapf, X. X. Ding, C. Mauws, C. R. Wiebe, E. X. Feng, H. B. Cao, W. Tian, J. Ma, Yiming Qiu, Nicholas Butch, H. D. Zhou
… to study how non-magnetic ion site disorder affects the quantum magnetism of Ba3CoSb2O9, a spin-1/2 equilateral … the additional effects including the enhancement of quantum spin fluctuations and introduction of a possible … quantum magnetism, site disorder effect, neutron scattering …

Quantum Hall Transport Measurements of Lateral p-n Junctions Formed via Precise Spatial Photodoping of Graphene/hBN Heterostructures

March 24, 2024
Author(s)
Angela Hight Walker, Thuc Mai, Maria Munoz, Curt Richter
… we measure the detailed magnetotransport including quantum Hall transport and observe several clear electronic … that is not common and has not been observed in previous quantum Hall transport measurements of graphene pnJ devices … graphene, quantum Hall, photodoping, Hall bar, magneto-transport …

Bistable wavelength switching in a two-section quantum-dot mode-locked diode laser

May 21, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
… wavelength-switching dynamics of a bistable two-section quantum-dot diode laser. The switching time between the two … (140.0140) Lasers and laser optics, (999.9999) Quantum dot, (250.6715) Switching, wavelength bistability … Bistable wavelength switching in a two-section quantum-dot mode-locked diode laser …
Displaying 651 - 675 of 3643
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