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Merged-Element Transmons: Design and Qubit Performance

Autor: Mamin, H. J., Huang, E., Carnevale, S., Rettner, C. T., Arellano, N., Sherwood, M. H., Kurter, C., Trimm, B., Sandberg, M., Shelby, R. M., Mueed, M. A., Madon, B. A., Pushp, A., Steffen, M., Rugar, D.

Publikováno v: Phys. Rev. Applied 16, 024023 (2021)

We have demonstrated a novel type of superconducting transmon qubit in which a Josephson junction has been engineered to act as its own parallel shunt capacitor. This merged-element transmon (MET) potentially offers a smaller footprint and simpler fa

Externí odkaz: http://arxiv.org/abs/2103.09163

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Proton magnetic resonance imaging with a nitrogen-vacancy spin sensor

Autor: Rugar, D., Mamin, H. J., Sherwood, M. H., Kim, M., Rettner, C. T., Ohno, K., Awschalom, D. D.

Nuclear magnetic resonance (NMR) imaging with nanometer resolution requires new detection techniques with sensitivity well beyond the capability of conventional inductive detection. Here, we demonstrate two dimensional imaging of $^1$H NMR from an or

Externí odkaz: http://arxiv.org/abs/1406.2983

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Multipulse Double-Quantum Magnetometry With Near-Surface Nitrogen Vacancy Centers

Autor: Mamin, H. J., Sherwood, M. H., Kim, M., Rettner, C. T., Ohno, K., Awschalom, D. D., Rugar, D.

Publikováno v: Phys. Rev. Lett. 113, 030803 (2014)

We discuss multipulse magnetometry that exploits all three magnetic sublevels of the S=1 nitrogen-vacancy center in diamond to achieve enhanced magnetic field sensitivity. Based on dual frequency microwave pulsing, the scheme works in arbitrary magne

Externí odkaz: http://arxiv.org/abs/1404.7480

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Nuclear magnetic resonance force microscopy with a microwire rf source

Autor: Poggio, M., Degen, C. L., Rettner, C. T., Mamin, H. J., Rugar, D.

Publikováno v: Appl. Phys. Lett. 90, 263111 (2007)

We use a 1.0-um-wide patterned Cu wire with an integrated nanomagnetic tip to measure the statistical nuclear polarization of 19F in CaF2 by magnetic resonance force microscopy (MRFM). With less than 350 uW of dissipated power, we achieve rf magnetic

Externí odkaz: http://arxiv.org/abs/0705.0558

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