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Proceedings Paper

Superconducting circuitry for quantum electromechanical systems
Author(s): Matthew D. LaHaye; Francisco Rouxinol; Yu Hao; Seung-Bo Shim; Elinor K. Irish
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Paper Abstract

Superconducting systems have a long history of use in experiments that push the frontiers of mechanical sensing. This includes both applied and fundamental research, which at present day ranges from quantum computing research and e orts to explore Planck-scale physics to fundamental studies on the nature of motion and the quantum limits on our ability to measure it. In this paper, we first provide a short history of the role of superconducting circuitry and devices in mechanical sensing, focusing primarily on efforts in the last decade to push the study of quantum mechanics to include motion on the scale of human-made structures. This background sets the stage for the remainder of the paper, which focuses on the development of quantum electromechanical systems (QEMS) that incorporate superconducting quantum bits (qubits), superconducting transmission line resonators and flexural nanomechanical elements. In addition to providing the motivation and relevant background on the physical behavior of these systems, we discuss our recent efforts to develop a particular type of QEMS that is based upon the Cooper-pair box (CPB) and superconducting coplanar waveguide (CPW) cavities, a system which has the potential to serve as a testbed for studying the quantum properties of motion in engineered systems.

Paper Details

Date Published: 21 May 2015
PDF: 20 pages
Proc. SPIE 9500, Quantum Information and Computation XIII, 95001D (21 May 2015); doi: 10.1117/12.2182719
Show Author Affiliations
Matthew D. LaHaye, Syracuse Univ. (United States)
Francisco Rouxinol, Syracuse Univ. (United States)
Yu Hao, Syracuse Univ. (United States)
Seung-Bo Shim, The Korean Research Institute of Standards and Science (Korea, Republic of)
Elinor K. Irish, Univ. of Southampton (United Kingdom)


Published in SPIE Proceedings Vol. 9500:
Quantum Information and Computation XIII
Eric Donkor; Andrew R. Pirich; Michael Hayduk, Editor(s)

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