Abstract
In this work, we analyze modifled bowtie nanoantennas with polynomial sides in the excitation and emission regimes. In the excitation regime, the antennas are illuminated by an incident plane wave, and in the emission regime, the excitation is fulfllled by inflnitesimal electric dipole positioned in the gap of the nanoantennas. Several antennas with difierent sizes and polynomial order were numerically analyzed by method of moments. The results show that these novel antennas possess a controllable resonance by the polynomial order and good characteristics of near fleld enhancement and conflnement for applications in enhancement of spontaneous emission of a single molecule.
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