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Displaying 1 - 25 of 744

The Mathematics of Quantum Coin-Flipping

December 1, 2022
Carl A. Miller
An expository article (aimed at the general mathematics community) about quantum cryptography and the philosophy of applied mathematics. The article focuses on quantum coin-flipping, a research problem that has a particularly long history.

Dynamical Instability of 3d Stationary and Traveling Planar Dark Solitons

November 9, 2022
Ian Spielman, Amilson R. Fritsch, T. Mithun, Panayotis Kevrekidis
Here we revisit the topic of stationary and propagating solitonic excitations in self-repulsive three-dimensional Bose-Einstein condensates by quantitatively comparing theoretical analysis and associated numerical computations with our experimental results

Hybrid Quantum-Edge Computing: A New Computing Paradigm

October 4, 2022
Lijun Ma, Leah Ding
Edge computing has emerged to support the computational demand of delay-sensitive applications in which substantial computing and storage are deployed at the network edge in close proximity to data sources. The vision of a hybrid quantum-edge is to provide

Towards entangled photon pair generation from SiC-based microring resonator

October 4, 2022
Anouar Rahmouni, Lijun Ma, Xiao Tang, Thomas Gerrits, Lutong Cai, Qing Li, Oliver T. Slattery
Entangled photon sources are fundamental building blocks for quantum communication and quantum networks. Recently, silicon carbide emerged as a promising material for integrated quantum devices since it is CMOS compatible with favorable mechanical

Single-atom trapping in a metasurface-lens optical tweezer

August 1, 2022
Ting-Wei Hsu, Wenqi Zhu, Tobias Thiele, Mark Brown, Scott Papp, Amit Agrawal, Cindy Regal
Single neutral atoms in optical tweezers have become an important platform for quantum simulation, computing, and metrology [1-3]. With ground-up control similar to trapped ions, individual atoms can be prepared and entangled [2, 4, 5], and the scalability

Experimental Realization of Neutron Helical Waves

May 11, 2022
Michael G. Huber, Charles W. Clark, Dmitry Pushin, Connor Kapahi, Lisa DeBeer-Schmitt, David Cory, Huseyin Ekinci, Melissa Henderson, Dusan Sarenac
Methods of preparation and analysis of structured waves of light, electrons, and atoms have been advancing rapidly. Despite the proven power of neutrons for material characterization and studies of fundamental physics, neutron science has not been able to

A self-validated detector for characterization of quantum network components

May 7, 2022
Anouar Rahmouni, Thomas Gerrits, Alan Migdall, Oliver T. Slattery, Ping-Shine Shaw, Joseph P. Rice
We are developing a nearly polarization-independent, low-cost optical trap detector between 1000 nm and 1550 nm for optical power measurements. A NIST-traceable optical power calibration of this trap detector showed a promising result.

White Rabbit-assisted quantum network node synchronization with quantum channel coexistence

May 7, 2022
Thomas Gerrits, Ivan Burenkov, Ya-Shian Li-Baboud, Anouar Rahmouni, DJ Anand, FNU Hala, Oliver T. Slattery, Abdella Battou, Sergey Polyakov
We show that the Ethernet-based time transfer protocol 'White Rabbit' can synchronize two distant quantum-networked nodes to within 4 ps, enabling HOM interference at >90 % visibility using 17.6 ps FWHM single-photons coexisting with White Rabbit.

Quantum computing hardware for HEP algorithms and sensing

April 19, 2022
Corey Rae McRae
Quantum information science harnesses the principles of quantum mechanics to realize computational algorithms with complexities vastly intractable by current computer platforms. Typical applications range from quantum chemistry to optimization problems and

Thermal release tape-assisted semiconductor membrane transfer process for hybrid photonic devices embedding quantum emitters

April 19, 2022
Cori Haws, Biswarup Guha, Edgar Perez, Marcelo Davanco, Jin Dong Song, Kartik Srinivasan, Luca Sapienza
Being able to combine different materials allows taking advantage of different properties and device engineering that cannot be found or exploited within a single system. In the realm of quantum and nanophotonics, for instance, one might want to increase

Two-qubit silicon quantum processor with operation fidelity exceeding 99%

April 6, 2022
Michael Gullans, Adam Mills, Charlie Guinn, Anthony Sigillito, Mayer Feldman, Nielsen Erik, Jason Petta
Silicon spin qubits satisfy the necessary criteria for quantum information processing. However, precision is required to support error correction, namely high accuracy state preparation and readout as well as high fidelity single- and two-qubit control. We

Digital Control of Superconducting Qubit Using a Josephson Pulse Generator at 3K

March 25, 2022
Logan Howe, Manuel Castellanos Beltran, Adam Sirois, David Olaya, John Biesecker, Paul Dresselhaus, Samuel P. Benz, Pete Hopkins
Scaling of quantum computers to fault-tolerant levels relies critically on the integration of energy-efficient, stable, and reproducible qubit control and readout electronics. In comparison to traditional semiconductor-control electronics (TSCE) located at

Entropy transfer from a quantum particle to a classical coherent light field

March 23, 2022
John Bartolotta, Simon Jager, Jarrod Reilly, Matthew Norcia, James K. Thompson, Graeme Smith, Murray Holland
In the eld of light-matter interactions, it is often assumed that a classical light field that interacts with a quantum particle remains almost unchanged and thus contains nearly no information about the manipulated particles. To investigate the validity

Negative quasiprobabilities enhance phase estimation in quantum-optics experiment

March 1, 2022
Noah Lupu-Gladstein, Y. Batuhan Yilmaz, David Arvidsson-Shukur, Aharon Brodutch, Arthur Pang, Aephraim Steinberg, Nicole Halpern
Operator noncommutation, a hallmark of quantum theory, limits measurement precision, according to uncertainty principles. Wielded correctly, though, noncommutation can boost precision. A recent foundational result relates a metrological advantage with

Robust Automated Recognition of Noisy Quantum Dot States

February 25, 2022
Joshua Ziegler, Thomas McJunkin, Emily Joseph, Sandesh Kalantre, Benjamin Harpt, Donald Savage, Max Lagally, Mark Eriksson, Jacob Taylor, Justyna Zwolak
The current autotuning approaches for quantum dot (QD) devices, while showing some success, lack an assessment of data reliability. This leads to unexpected failures when noisy or otherwise low-quality data is processed by an autonomous system. In this
Displaying 1 - 25 of 744