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10 October 2020 Dielectric resonator of photonics crystal array with near-zero index
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Abstract
Dielectric resonators are generally applied for radio waves in the microwave and millimeter-wave regions. In this work, we investigate the properties of a novel dielectric resonator comprised of a finite two-dimensional (2D) photonic crystal (PhC) array and a high reflector. By the proper design of PhC band and size, multi-functions, such as highly efficient radiation, significant self-collimation, beam splitting, and zero phase shift, can be achieved simultaneously through the PhC resonator instead of zero refractive index metamaterials, which have important theoretical significance for promoting the application and development of the radiation technology of micro-nano dielectric resonators. We believe it will provide a theoretical basis and technical route for the development of new integrated multifunctional metamaterials and devices.
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Guoyan Dong "Dielectric resonator of photonics crystal array with near-zero index", Proc. SPIE 11556, Nanophotonics and Micro/Nano Optics VI, 115560J (10 October 2020); https://doi.org/10.1117/12.2573563
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