Abstract: High Refractive Index (HRI) nanostructures are ideal platforms to generate strong electric and magnetic field modes applicable in a wide range of applications such as biosensing or opto-thermal conversion. In this work, we perform a theoretical analysis of anapolar excitations in disk-ring hybrid nanostructures to enhance the temperature generated by a plasmonic resonator. We also present this mode as a simple mechanism to shift the thermal response of these structures to the NIR range.

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