Nanobridged rhombic antennas that support both dipolar and high-order plasmonic modes

In a new publication from Opto-Electronic Advances, the research groups of Professor Zhong-Qun Tian from Xiamen University, Xiamen, China and Professor Huigao Duan from Hunan University Changsha, China discuss nanobridged rhombic antennas supporting both dipolar and high-order plasmonic modes with spatially superimposed hotspots in the mid-infrared.