National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11074069, 61176116]; Specialized Research Fund for the Doctoral Program of Higher Education of ChinaSpecialized Research Fund for the Doctoral Program of Higher Education (SRFDP) [20120161130003]; Hunan Provincial Natural Science Foundation of ChinaNatural Science Foundation of Hunan Province [12JJ4009]; Hunan Provincial Science and Technology Project of China [2012FJ4121]; Aid program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province
机构署名：
本校为其他机构
院系归属：
核科学技术学院
摘要：
The transmission characteristics of the electromagnetic wave are numerically investigated in two-dimensional compound plasmonic structures composed of two straight subwavelength metal-insulator-metal (MIM) waveguides and a ring resonator. The two straight MIM waveguides situate on both sides of the ring resonator, and the MIM waveguide of the outgoing side has a positional angular deviation θrelative to the MIM waveguide of the incoming side. The results show that the filtering performances of the asymmetric structures (θ≠0 °) are greatly improved in comparison with the symm...
