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Physics

Quantum information science

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Displaying 151 - 175 of 1687

Scalable Quantum Logic Spectroscopy

November 2, 2022
Author(s)
Kaifeng Cui, Jose Valencia, Kevin Boyce, Ethan Clements, David Leibrandt, David Hume
In quantum logic spectroscopy (QLS), one species of trapped ion is used as a sensor to detect the state of an otherwise inaccessible ion species. This extends precision measurements to a broader class of atomic and molecular systems for applications like

Lattice-Based Quantum Advantage from Rotated Measurements

October 18, 2022
Author(s)
Yusuf Alnawakhtha, Atul Mantri, Carl A. Miller, Daochen Wang
Trapdoor claw-free functions (TCFs) are immensely valuable in cryptographic interactions between a classical client and a quantum server. Typically, a protocol has the quantum server prepare a superposition of two bit strings from a claw and then measure

Hybrid Quantum-Edge Computing: A New Computing Paradigm

October 4, 2022
Author(s)
Lijun Ma, Leah Ding
Edge computing network and quantum network are two emerging technologies in current communication fields. Edge computing has emerged to support the computational demand of delay-sensitive applications in which substantial computing and storage are deployed

Portable polarization-entangled photon source & receiver toolset for quantum network metrology

October 4, 2022
Author(s)
Anouar Rahmouni, Thomas Gerrits, Paulina Kuo, Dileep Reddy, Lijun Ma, Xiao Tang, Oliver T. Slattery
A quantum network will consist of many physically separated nodes connected by quantum communication channels that distribute entanglement between them. Such nodes will require mechanisms for the generation, routing, and measurement of quantum states to

Towards entangled photon pair generation from SiC-based microring resonator

October 4, 2022
Author(s)
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

Tightly Confined Surface Acoustic Waves as Microwave-to-Optical Transduction Platforms in the Quantum Regime

September 26, 2022
Author(s)
Ryan DeCrescent, Zixuan Wang, Poolad Imany, Robert Boutelle, Corey McDonald, Travis Autry, John Teufel, Sae Woo Nam, Richard Mirin
Surface acoustic waves (SAWs) coupled to quantum dots (QDs), trapped atoms and ions, and point defects have been proposed as quantum transduction platforms, yet the requisite coupling rates and cavity lifetimes have not been experimentally established

Single-atom trapping in a metasurface-lens optical tweezer

August 1, 2022
Author(s)
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

Individual qubit addressing of rotating ion crystals in a Penning trap

July 25, 2022
Author(s)
Anthony M. Polloreno, Ana Maria Rey, John J. Bollinger
Trapped ions boast long coherence times, and excellent gate fidelities, making them a useful platform for quantum information processing. Scaling to larger numbers of ion qubits, potentially solved by photonic interconnects between Paul traps, or by