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Multi-frequency spin manipulation using rapidly tunable superconducting coplanar waveguide microresonators

Author(s): Asfaw, AT; Sigillito, AJ; Tyryshkin, AM; Schenkel, T; Lyon, Stephen A

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Abstract: In this work, we demonstrate the use of frequency-tunable superconducting NbTiN coplanar waveguide microresonators for multi-frequency pulsed electron spin resonance (ESR) experiments. By applying a bias current to the center pin, the resonance frequency (∼7.6 GHz) can be continuously tuned by as much as 95 MHz in 270 ns without a change in the quality factor of 3000 at 2 K. We demonstrate the ESR performance of our resonators by measuring donor spin ensembles in silicon and show that adiabatic pulses can be used to overcome magnetic field inhomogeneities and microwave power limitations due to the applied bias current. We take advantage of the rapid tunability of these resonators to manipulate both phosphorus and arsenic spins in a single pulse sequence, demonstrating pulsed double electron-electron resonance. Our NbTiN resonator design is useful for multi-frequency pulsed ESR and should also have applications in experiments where spin ensembles are used as quantum memories.
Publication Date: 17-Jul-2017
Electronic Publication Date: 17-Jul-2017
Citation: Asfaw, AT, Sigillito, AJ, Tyryshkin, AM, Schenkel, T, Lyon, SA. (2017). Multi-frequency spin manipulation using rapidly tunable superconducting coplanar waveguide microresonators. Applied Physics Letters, 111 (10.1063/1.4993930
DOI: doi:10.1063/1.4993930
Type of Material: Journal Article
Journal/Proceeding Title: Applied Physics Letters
Version: Author's manuscript

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