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Search Publications

NIST Authors in Bold

Displaying 1226 - 1250 of 3643

Coherent contributions to population dynamics in a semiconductor microcavity

March 29, 2022
Author(s)
Jagannath Paul, Hendrik Rose, Ethan Swagel, Torsten Meier, Jared Wahlstrand, Alan Bristow
… semiconductor microcavity encapsulating a single InGaAs quantum well. In a three-pulse four-wave-mixing scheme, the … direct comparison of each feature in rephasing and zero-quantum spectra. … optical spectroscopy, exciton-polaritons, semiconductors, quantum wells …

Phase Retrieval Using Unitary 2-Designs

September 4, 2017
Author(s)
Yi-Kai Liu, Shelby Kimmel
… chosen by the observer. This problem has applications to quantum process tomography, when the unknown process is a … These 2-design measurements are convenient for quantum process tomography, as they can be implemented via … Phase retrieval, quantum process tomography, unitary designs …

On the Differential Security of the HFEv - Signature Primitive

February 4, 2016
Author(s)
Ryann Cartor, Ryan Gipson, Daniel Smith-Tone, Jeremy Vates
… Key Cryptography (MPKC) is one of the most attractive post-quantum options for digital signatures in a wide array of … PQCrypto 2016: The Seventh International Conference on Post-Quantum Cryptography …

Effective Field Theory for Rydberg Polaritons

September 9, 2016
Author(s)
Michael Gullans, Yidan Wang, Jeff D. Thompson, Qiyu Liang, Vladan Vuletic, Mikhail D. Lukin, Alexey V. Gorshkov
… pave the way towards studying nonperturbative effects in quantum field theories using Rydberg polaritons. … Rydberg atoms, quantum optics …

Mode reconstruction of a light field by multi-photon statistics

July 15, 2013
Author(s)
Elizabeth A. Goldschmidt, Fabrizio Piacentini, I. Ruo Berchera, Sergey V. Polyakov, Silke Peters, Stefan Kuck, Giorgio Brida, Ivo P. Degiovanni, Alan L. Migdall, Marco Genovese
… plays a crucial role in minimizing loss and decoherence of quantum information. Typically, full characterization of the … quantum information, photon statistics, quantum optics, metrology, entanglement, single photon, …

Robustness of the projected squeezed state protocol

May 8, 2024
Author(s)
Byron Alexander, John J. Bollinger, Mark Tame
… states generated by unitary spin squeezing, followed by a quantum measurement and post-selection. They lead to an … channels. By employing the Kraus operator method, and quantum trajectory method to reduce the computational complexity, we assess the quantum Fisher information and overlap fidelity with an ideal …

A New Regime of Pauli-Spin Blockade

April 7, 2016
Author(s)
Justin K. Perron, Michael D. Stewart, Neil M. Zimmerman
… exchange energy in the (0,2) charge con_guration. In Si quantum dots BST is expected to be experimentally accessible; … relaxation mechanisms when both electrons occupy the same quantum dot. … Quantum dot transport, Pauli-spin blockade …

Generation of GKP states with optical states

May 11, 2009
Author(s)
Scott C. Glancy, Hilma M. Vasconcelos, Liliana Sanz
… by either a discrete signal or by a continuous signal. Quantum information can also be carried by a discrete, … is in the quadrature variables of traveling light waves. Quantum computation can be performed on GKP states using … coherent states, linear optical quantum computer …

Quantum field theory for the chiral clock transition in one spatial dimension

May 3, 2021
Author(s)
Seth P. Whitsitt, Rhine Samajdar, Subir Sachdev
… We describe the quantum phase transition in the N-state chiral clock model in … exponent z≠1, and so cannot be described by a relativistic quantum field theory. We use a lattice duality transformation … Quantum field theory for the chiral clock transition in one …

Improving squeezing purity from a KNbO 3 crystal by temperature tuning

May 4, 2008
Author(s)
Thomas Gerrits, Tracy S. Clement, Scott Glancy, Richard P. Mirin, Sae Woo Nam, Emanuel Knill
… Conference on Lasers and Electro-Optics (CLEO ) and the Quantum Electronics and Laser Science Conference (QELS ) … Tech. Dig., Quantum Electronics and Laser Science Conf. (QELS) …

Practical electron-tunneling refrigerator

January 21, 2004
Author(s)
Anna Clark, Anthony Williams, Steve Ruggiero, Marcel L. van den Berg, Joel N. Ullom
… based on the removal of hot electrons from a metal by quantum-mechanical tunneling. We have halved the electronic … tunneling, NIS junction, quantum refrigerator …

Qubit gates using hyperbolic secant pulses

April 7, 2017
Author(s)
Hsiang S. Ku, Junling Long, Xian Wu, Mustafa Bal, Russell Lake, Edwin Barnes, Sophia Economou, David P. Pappas
… It has been known since the early days of quantum mechanics that hyperbolic secant pulses possess the … that they can perform cyclic evolution on two-level quantum systems independently of the pulse detuning. More … qubit, quantum mechanics, hyperbolic secant pulses, cyclic …

Random pulse sequences for qubit noise spectroscopy

May 30, 2025
Author(s)
Kaixin Huang, Demitry Farfurnik, Alireza Seif, Mohammad Hafezi, Yi-Kai Liu
… important tool for the experimental investigation of open quantum systems. However, conventional techniques for … sequences on a realistic physical system, self-assembled quantum dots, reveal a speedup of an order of magnitude in … dynamical decoupling, compressed sensing, sparsity, quantum dots …

MEMSDuino: An Arduino-Based MEMS Switch Controller

May 1, 2025
Author(s)
Lafe Spietz, Adam Sirois, Nathan Flowers-Jacobs, Peter Hopkins, Samuel Benz, Steve Waltman
… cryogenic switches are a critical enabling technology for quantum information science, both for calibration and high … these do not work at the cryogenic temperatures used in quantum information science. The instrument presented here is … Arduino, MEMS, RF, Quantum, controller, cryogenic, microwave …

Graphene Production for Electrical Metrology

June 1, 2011
Author(s)
Randolph E. Elmquist, David B. Newell, George R. Jones, Felipe L. Marquez-Hernandez, Mariano A. Real, Tian T. Shen
… must be favorable to produce devices with strong quantum Hall effect (QHE) plateaus that are suitable for … at room temperature, well above the temperature at which quantum behavior disappears in the best conventional … Graphene, quantum Hall effect, electron mobility, heterostructute …

Layer Perfection in Ultrathin InAS Quantum Wells in GaAs(001)

January 1, 2000
Author(s)
J A. Gupta, S P. Watkins, E D. Crozier, Joseph Woicik, D A. Harrison, D Jiang, I J. Pickering, B A. Karlin
… perfection and positions of 1 and 2 monolayer (ML) InAs quantum wells buried in GaAs(001). Photoluminescence (PL) … Layer Perfection in Ultrathin InAS Quantum Wells in GaAs(001) …

Coherence-limited digital control of a superconducting qubit using a Josephson pulse generator at 3 K

May 8, 2023
Author(s)
Manuel Castellanos Beltran, Adam Sirois, Logan Howe, David Olaya, John Biesecker, Samuel P. Benz, Pete Hopkins
… (TSCE) located at room temperature, cryogenic single flux quantum (SFQ) electronics can provide qubit measurement and … critical issues related to scalability of cryogenic quantum processors. Single-qubit control and readout have … Quantum computing, scalable, cryogenic control, Josephson …

An International Intercomparison of Quantum-Based AC Voltage Standards

October 1, 2012
Author(s)
Thomas E. Lipe Jr., Piotr S. Filipski, Joseph R. Kinard Jr., Yi-hua D. Tang
… We report the results of a comparison of quantum-based AC Josephson Voltage Standards (ACJVS) between … An International Intercomparison of Quantum-Based AC Voltage Standards …

Stacked SNS Josephson Junctions for Quantum Voltage Applications

July 11, 2003
Author(s)
Paul Dresselhaus, Yonuk Chong, Samuel Benz
… NIST is using SNS Josephson junctions as the basis of quantum voltage metrology. Planar junction technology limits … Stacked SNS Josephson Junctions for Quantum Voltage Applications …
Displaying 1226 - 1250 of 3643
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