中国物理B ›› 2017, Vol. 26 ›› Issue (3): 37303-037303.doi: 10.1088/1674-1056/26/3/037303
• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇 下一篇
Yang Zeng(曾扬), Zhi-Yong Wang(王智勇), Yuan Wu(吴远), Lan-Song Lu(陆兰松), Yun-Xiang Wang(王云祥), Shuang-Jin Shi(史双瑾), Qi Qiu(邱琪)
Yang Zeng(曾扬), Zhi-Yong Wang(王智勇), Yuan Wu(吴远), Lan-Song Lu(陆兰松), Yun-Xiang Wang(王云祥), Shuang-Jin Shi(史双瑾), Qi Qiu(邱琪)
摘要: We propose a Möbius-strip-type plasmonic cavity with a silver Möbius strip sandwiched between dielectric layers. By brief theoretical and simulation analyses, we obtain that the Q factor of the cavity remains about 40 and the mode volume is ultrasmall (less than 1 μm3) which is more compact than that of the cylindric cavity. This Möbius-strip-type plasmonic cavity supporting the propagation of surface plasmon polaritons owns some unusual properties such as more effective volume and the spatial separation. More potential applications based on this cavity remain to be explored in future nanophotonics.
中图分类号: (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))