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2D SQIF arrays using 20,000 YBCO high Rn Josephson junctions, a viewpoint

Boris Chesca

Aug 9, 20190 citations

Observation of quantum coherence by means of temporal Bell-type inequalities

Susana F. Huelga, Trevor W. Marshall, Emilio Santos

Original article can be found at: http://www.iop.org/EJ/journal/0295-5075 Copyright Institute of Physics and IOP Publishing. DOI: 10.1209/epl/i1997-00232-4 [Full text of this article is not available in the UHRA]

Europhysics Letters (EPL)May 1, 199710 citations

Double-barrier Josephson structures as the novel elements for superconducting large-scale integrated circuits

M. Yu. Kupriyanov, Alexander Brinkman, Alexander A. Golubov +2 more

Physica C SuperconductivityNov 1, 199980 citations

Trapping of85Rb atoms by optical pumping between metastable hyperfine states

N Cooper, Tim Freegarde

We describe an atom trapping mechanism based upon differential optical pumping between metastable hyperfine states by partially-displaced laser beams in the absence of a magnetic field. With realistic laser powers, trap spring constants should match or exceed those typical of magneto-optical traps, and highly flexible tailored trap shapes should be achievable. In a proof-of-principle experiment, we have combined a 1D implementation with magneto-optical trapping in the orthogonal directions, capturing ~10000 85Rb atoms. This is an author-created, un-copyedited version of an article published in J. Phys. B: At. Mol. Opt. Phys. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://iopscience.iop.org/0953-4075/46/21/215003/article.We describe an atom trapping mechanism based upon differential optical pumping between metastable hyperfine states by partially-displaced laser beams in the absence of a magnetic field. With realistic laser powers, trap spring constants should match or exceed those typical of magneto-optical traps, and highly flexible tailored trap shapes should be achievable. In a proof-of-principle experiment, we have combined a 1D implementation with magneto-optical trapping in the orthogonal directions, capturing ~10000 85Rb atoms. This is an author-created, un-copyedited version of an article published in J. Phys. B: At. Mol. Opt. Phys. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://iopscience.iop.org/0953-4075/46/21/215003/article.

arXiv:1304.7980Journal of Physics B Atomic Molecular and Optical PhysicsOct 28, 20134 citations

Superconducting and Insulating Behavior in One-Dimensional Josephson Junction Arrays

David B. Haviland, Karin Andersson, Peter Ågren

arXiv:cond-mat/0001143Journal of Low Temperature PhysicsMar 1, 200088 citations

Josephson Junction, the Quantum Engine: from S.QU.I.D. Sensors to Qubits for Quantum Computers

F.M.A. Moreira

In this review of our own work, we show the physics and applications of Josephson Junction (JJ) and 2D arrays (JJA) made with this powerful quantum engine.This study is based on more than twenty articles published in more than two decades.In actual days, applications of this device go from the most sensitive sensor to measure magnetic flux, called S.QU.I.D. (from Superconducting Quantum Interference Device) to quantum bits.A unit cell of a JJ, with a cost of about a few hundred dollars allows the availability of a magnetometer with a cost of about one million dollars to a quantum computer with cost of about ten million dollars.The Josephson junction is an old quantum engine for a rising new world with incredible disruptive technological possibilities.The article is organized as follows: in section 1 we give a short introduction to the subject; section 2 describes the physics of the Josephson effect and the engineering of the Josephson junction; in section 3 we show the magnetic, transport and thermal properties of 2D-JJA; and in section 4 we show the relation between JJA and superconducting granular systems, in particular those related to High-Temperature Superconductors (HTS).In this review of our own work, we show the physics and applications of Josephson Junction (JJ) and 2D arrays (JJA) made with this powerful quantum engine.This study is based on more than twenty articles published in more than two decades.In actual days, applications of this device go from the most sensitive sensor to measure magnetic flux, called S.QU.I.D. (from Superconducting Quantum Interference Device) to quantum bits.A unit cell of a JJ, with a cost of about a few hundred dollars allows the availability of a magnetometer with a cost of about one million dollars to a quantum computer with cost of about ten million dollars.The Josephson junction is an old quantum engine for a rising new world with incredible disruptive technological possibilities.The article is organized as follows: in section 1 we give a short introduction to the subject; section 2 describes the physics of the Josephson effect and the engineering of the Josephson junction; in section 3 we show the magnetic, transport and thermal properties of 2D-JJA; and in section 4 we show the relation between JJA and superconducting granular systems, in particular those related to High-Temperature Superconductors (HTS).

Research & Development in Material ScienceMay 24, 20231 citation

2D SQIF arrays using 20 000 YBCO high R n Josephson junctions, a viewpoint

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2D SQIF arrays using 20 000 YBCO high R n Josephson junctions, a viewpoint

Abstract

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