Optimized coplanar waveguide resonators for a superconductor-atom interface
Beck, M. A. and Isaacs, J. A. and Booth, D. and Pritchard, J. D. and Saffman, M. and McDermott, R. (2016) Optimized coplanar waveguide resonators for a superconductor-atom interface. Applied Physics Letters, 109 (9). 092602. ISSN 0003-6951 (https://doi.org/10.1063/1.4962172)
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Abstract
We describe the design and characterization of superconducting coplanar waveguide cavities tailored to facilitate strong coupling between superconducting quantum circuits and single trapped Rydberg atoms. For initial superconductor-atom experiments at 4.2 K, we show that resonator quality factors above 104 can be readily achieved. Furthermore, we demonstrate that the incorporation of thick-film copper electrodes at a voltage antinode of the resonator provides a route to enhance the zero-point electric fields of the resonator in a trapping region that is 40 μm above the chip surface, thereby minimizing chip heating from scattered trap light. The combination of high resonator quality factor and strong electric dipole coupling between the resonator and the atom should make it possible to achieve the strong coupling limit of cavity quantum electrodynamics with this system.
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Item type: Article ID code: 57527 Dates: DateEvent2 September 2016Published22 August 2016Accepted6 May 2016SubmittedNotes: This is the accepted author manuscript of 'Optimized coplanar waveguide resonators for a superconductor–atom interface', Beck, M. A. and Isaacs, J. A. and Booth, D. and Pritchard, J. D. and Saffman, M. and McDermott, R., Applied Physics Letters, 109, 092602 (2016). The version of record is available at http://dx.doi.org/10.1063/1.4962172 Subjects: Science > Physics Department: Faculty of Science > Physics Depositing user: Pure Administrator Date deposited: 24 Aug 2016 10:12 Last modified: 01 Aug 2024 01:06 Related URLs: URI: https://strathprints.strath.ac.uk/id/eprint/57527