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Near-Field Scanning Microwave Microscopy in the Single Photon Regime

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posted on 2023-11-30, 17:58 authored by S. Geaney, D. Cox, T. Hönigl-Decrinis, R. Shaikhaidarov, S. E. Kubatkin, T. Lindström, A. V. Danilov, S. E. de Graaf
The microwave properties of nano-scale structures are important in a wide variety of applications in quantum technology. Here we describe a low-power cryogenic near-field scanning microwave microscope (NSMM) which maintains nano-scale dielectric contrast down to the single microwave photon regime, up to $10^{9}$ times lower power than in typical NSMMs. We discuss the remaining challenges towards developing nano-scale NSMM for quantum coherent interaction with two-level systems as an enabling tool for the development of quantum technologies in the microwave regime.

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