Phys.org  June 2, 2022 Nanoscale bowtie antennas have been extensively studied for their high confinement and enhancement. In this mini-review, researchers in China start with a brief introduction to bowtie antennas and underlying physics. They review the applications with respect to optically and electrically excited nanoscale bowtie antennas. Optically driven bowtie antennas enable a set of optical applications such as near-field imaging/trapping, nonlinear response, nanolithography, photon generation and detection. They conclude with the principle and applications of electrically driven bowtie antennas, as an emerging method of generating ultrafast and broadband tunable nano sources…read more. Open Access TECHNICAL ARTICLE