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Gap induced mode evolution under the asymmetric structure in a plasmonic resonator system 被引量:1
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作者 YONG-PAN GAO TIE-JUN WANG +1 位作者 CONG CAO CHUAN WANG 《Photonics Research》 SCIE EI 2017年第2期113-118,共6页
The modulation of resonance features in microcavities is important to applications in nanophotonics.Based on the asymmetric whispering-gallery modes(WGMs)in a plasmonic resonator,we theoretically studied the mode evol... The modulation of resonance features in microcavities is important to applications in nanophotonics.Based on the asymmetric whispering-gallery modes(WGMs)in a plasmonic resonator,we theoretically studied the mode evolution in an asymmetric WGM plasmonic system.Exploiting the gap or nano-scatter in the plasmonic ring cavity,the symmetry of the system will be broken and the standing wave in the cavity will be tunable.Based on this asymmetric structure,the output coupling rate between the two cavity modes can also be tuned.Moreover,the proposed method could further be applied for sensing and detecting the position of defects in a WGM system. 展开更多
关键词 MODE Gap induced mode evolution under the asymmetric structure in a plasmonic resonator system
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