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Updated: Jan 20, 2026

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
Published on: September 26, 2014
Near-Field Scanning Microwave Microscopy in the Single Photon Regime
S Geaney1,2, D Cox3, T Hönigl-Decrinis4
1National Physical Laboratory, Hampton Road, Teddington, TW11 0LW, UK. shaun.geaney@npl.co.uk.
Abstract:
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 109 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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