Subharmonic Control of a Fluxonium Qubit via a Purcell-Protected Flux Line

Subharmonic Control of a Fluxonium Qubit via a Purcell-Protected Flux Line

Protecting qubits from environmental noise while maintaining strong coupling for fast high-fidelity control is a central challenge for quantum information processing. Here, we demonstrate a control scheme for superconducting fluxonium qubits that eliminates qubit decay through the control channel by...

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Main Authors: J. Schirk, F. Wallner, L. Huang, I. Tsitsilin, N. Bruckmoser, L. Koch, D. Bunch, N.J. Glaser, G.B.P. Huber, M. Knudsen, G. Krylov, A. Marx, F. Pfeiffer, L. Richard, F.A. Roy, J.H. Romeiro, M. Singh, L. Södergren, E. Dionis, D. Sugny, M. Werninghaus, K. Liegener, C.M.F. Schneider, S. Filipp
Format: Article
Language:English
Published: American Physical Society 2025-07-01
Series:PRX Quantum
Online Access:http://doi.org/10.1103/yx15-jyl7
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http://doi.org/10.1103/yx15-jyl7

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