Plasmonic microcavity formed by the Möbius strip

doi:10.1088/1674-1056/26/3/037303

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

Plasmonic microcavity formed by the Möbius strip

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)

School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

收稿日期:2016-08-17 修回日期:2016-12-03 出版日期:2017-03-05 发布日期:2017-03-05
通讯作者: Yang Zeng E-mail:201422050125@std.uestc.edu.cn
基金资助:
Projected supported by the National Natural Science Foundation of China (Grant Nos. 61271030 and 61308041) and the Fundamental Research Funds for the Central Universities of China (Grant No. ZYGX2014J043).

Plasmonic microcavity formed by the Möbius strip

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)

School of Optoelectronic Information, University of Electronic Science and Technology of China, Chengdu 610054, China

Received:2016-08-17 Revised:2016-12-03 Online:2017-03-05 Published:2017-03-05
Contact: Yang Zeng E-mail:201422050125@std.uestc.edu.cn
Supported by:
Projected supported by the National Natural Science Foundation of China (Grant Nos. 61271030 and 61308041) and the Fundamental Research Funds for the Central Universities of China (Grant No. ZYGX2014J043).

摘要/Abstract

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.

关键词: suface plamons, optical resonator

Abstract: 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.

Key words: suface plamons, optical resonator

中图分类号: (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))

73.20.Mf

42.60.Da (Resonators, cavities, amplifiers, arrays, and rings)

曾扬, 王智勇, 吴远, 陆兰松, 王云祥, 史双瑾, 邱琪. Plasmonic microcavity formed by the Möbius strip[J]. 中国物理B, 2017, 26(3): 37303-037303.

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). Plasmonic microcavity formed by the Möbius strip[J]. Chin. Phys. B, 2017, 26(3): 37303-037303.

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