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.
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