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Planar multilayer circuit quantum electrodynamics

Zlatko K. Minev 1 Kyle Serniak 1 Ioan Mihai Pop 1 Zaki Leghtas 1, 2, 3 Katrina Sliwa 1 Michael Hatridge 1 Luigi Frunzio 1 Robert J. Schoelkopf 1 Michel H. Devoret 1
2 QUANTIC - QUANTum Information Circuits
ENS Paris - École normale supérieure - Paris, UPMC - Université Pierre et Marie Curie - Paris 6, MINES ParisTech - École nationale supérieure des mines de Paris, Inria de Paris
Abstract : Experimental quantum information processing with superconducting circuits is rapidly advancing, driven by innovation in two classes of devices, one involving planar microfabricated (2D) resonators, and the other involving machined three-dimensional (3D) cavities. We demonstrate that circuit quantum electrodynamics can be implemented in a multilayer superconducting structure that combines 2D and 3D advantages. We employ standard microfabrication techniques to pattern each layer, and rely on a vacuum gap between the layers to store the electromagnetic energy. Planar qubits are lithographically defined as an aperture in a conducting boundary of the resonators. We demonstrate the aperture concept by implementing an integrated, two-cavity-mode, one-transmon-qubit system.
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Submitted on : Saturday, November 26, 2016 - 6:19:45 PM
Last modification on : Thursday, July 1, 2021 - 5:33:00 PM

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Zlatko K. Minev, Kyle Serniak, Ioan Mihai Pop, Zaki Leghtas, Katrina Sliwa, et al.. Planar multilayer circuit quantum electrodynamics. Physical Review Applied, American Physical Society, 2016, 5, pp.044021. ⟨10.1103/PhysRevApplied.5.044021⟩. ⟨hal-01403600⟩

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