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Nowadays nanotechnology allows us to size down every single object in our daily life at the nanoscale. Especially, conventional microwave antennas/scatterers are reproduced at nanoscale and have found many applications, including bio-sensing [1], energy harvesting [2], nanoscale communications [3, 4], etc. Most recently, a Nanoparticle-on-Mirror (NPoM) topology with a sub-nm gap size (See Fig. 1,...
Recent advances in nanotechnology of optical components allows for manufacturing of aperiodical structures patterned on a subwavelength scale that have macroscopic dimension of several hundreds or thousands wavelengths. A typical example is the so-called Cavity resonator integrated grating filter (CRIGF) that uses a resonant excitation of a waveguide mode by a dielectric grating, which is put in a...
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