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Coupling of a locally implanted rare-earth ion ensemble to a superconducting micro-resonator.

Wisby, I; de Graaf, S E*; Gwilliam, R*; Adamyan, A*; Kubatkin, S E*; Meeson, P J*; Tzalenchuk, A Ya; Lindstrom, T (2014) Coupling of a locally implanted rare-earth ion ensemble to a superconducting micro-resonator. Appl. Phys. Lett., 105 (10). 102601

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Abstract

We demonstrate a hybrid device, coupling a locally implanted rare-earth (RE) doped substrate (Gd^{3+}:Al_{2}O_{3}) to a superconducting NbN lumped-element micro-resonator. We have developed a fabrication technique for controlled local ion implantation which embed RE's in well-defined micron-sized areas, alongside lithographically defined micro-resonators. Quality factors of the resonators remain above 1e5. Using absorption spectroscopy we observe electron-spin resonances in good agreement with numerical modelling, corresponding to a coupling rate of the order of 1 MHz and spin line width of 45 MHz.

Item Type: Article
Subjects: Quantum Phenomena
Quantum Phenomena > Quantum Information Processing and Communication
Identification number/DOI: 10.1063/1.4894455
Last Modified: 02 Feb 2018 13:14
URI: http://eprintspublications.npl.co.uk/id/eprint/6323

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