Quantum technologies with hybrid systems

By Gershon Kurizki, P. Bertet, Y. Kubo, Klaus Mølmer, David Petrosyan, Peter Rabl, Jörg Schmiedmayer. Proceedings of the National Academy of Sciences of the United States of America, 2015

798 citations recorded by the source corpus.

An extensively pursued current direction of research in physics aims at the development of practical technologies that exploit the effects of quantum mechanics. As part of this ongoing effort, devices for quantum information processing, secure communication, and high-precision sensing are being implemented with diverse systems, ranging from photons, atoms, and spins to mesoscopic superconducting and nanomechanical structures. Their physical properties make some of these systems better suited than others for specific tasks; thus, photons are well suited for transmitting quantum information, weakly interacting spins can serve as long-lived quantum memories, and superconducting elements can rapidly process information encoded in their quantum states. A central goal of the envisaged quantum technologies is to develop devices that can simultaneously perform several of these tasks, namely, reliably store, process, and transmit quantum information. Hybrid quantum systems composed of different physical components with complementary functionalities may provide precisely such multitasking capabilities. This article reviews some of the driving theoretical ideas and first experimental realizations of hybrid quantum systems and the opportunities and challenges they present and offers a glance at the near- and long-term perspectives of this fascinating and rapidly expanding field.

Subfields: Artificial Intelligence, Atomic and Molecular Physics, and Optics

View Paper: https://www.semanticscholar.org/paper/19abee40255b6d3f76e9513065aeb6053877d550

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Citations in the corpus

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Quantum acoustics with superconducting qubits (2017, background): “As shown in Figure 1b, the spatial character and frequencies of the phonons can be approximated by considering the stationary modes of this cylindrical mode volume, which have strain field distributions given by sl,m(~x) = βl,msin ( lπz h ) J0 ( 2j0,mr d ) , (1) where J0 is the zeroth order Bessel f”