中国物理B ›› 2018, Vol. 27 ›› Issue (8): 87302-087302.doi: 10.1088/1674-1056/27/8/087302

所属专题: SPECIAL TOPIC — Nanophotonics

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇    下一篇

Giant Goos-Hänchen shifts of waveguide coupled long-range surface plasmon resonance mode

Qi You(游琪), Jia-Qi Zhu(祝家齐), Jun Guo(郭珺), Lei-Ming Wu(吴雷明), Xiao-Yu Dai(戴小玉), Yuan-Jiang Xiang(项元江)   

  1. SZU-NUS Collaborative Innovation Center for Optoelectronic Science, Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
  • 收稿日期:2018-04-26 修回日期:2018-05-16 出版日期:2018-08-05 发布日期:2018-08-05
  • 通讯作者: Yuan-Jiang Xiang E-mail:xiangyuanjiang@126.com
  • 基金资助:

    Project supported by the National Natural Science Foundation of China (Grant Nos. 61505111 and 11604216), the China Postdoctoral Science Foundation (Grant No. 2016M600667), the Science and Technology Planning Project of Guangdong Province, China (Grant No. 2016B050501005), the Fund from the Educational Commission of Guangdong Province, China (Grant No. 2016KCXTD006), and the Natural Science Foundation of Guangdong Province, China (Grant No. 2015A030313549).

Giant Goos-Hänchen shifts of waveguide coupled long-range surface plasmon resonance mode

Qi You(游琪), Jia-Qi Zhu(祝家齐), Jun Guo(郭珺), Lei-Ming Wu(吴雷明), Xiao-Yu Dai(戴小玉), Yuan-Jiang Xiang(项元江)   

  1. SZU-NUS Collaborative Innovation Center for Optoelectronic Science, Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
  • Received:2018-04-26 Revised:2018-05-16 Online:2018-08-05 Published:2018-08-05
  • Contact: Yuan-Jiang Xiang E-mail:xiangyuanjiang@126.com
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Grant Nos. 61505111 and 11604216), the China Postdoctoral Science Foundation (Grant No. 2016M600667), the Science and Technology Planning Project of Guangdong Province, China (Grant No. 2016B050501005), the Fund from the Educational Commission of Guangdong Province, China (Grant No. 2016KCXTD006), and the Natural Science Foundation of Guangdong Province, China (Grant No. 2015A030313549).

摘要:

A hybrid structure based on a planar waveguide (PWG) mode coupling a long-range surface plasmon resonance (LRSPR) mode is proposed to enhance the GH shift. Both the PWG mode and LRSPR mode can be in strong resonance, and these two modes can be coupled together due to the normal-mode splitting. The largest GH shift of PWG-coupled LRSPR structure is 4156 times that of the incident beam, which is 23 times and 3.6 times that of the surface plasmon resonance (SPR) structure and the LRSPR structure, respectively. As a GH shift sensor, the highest sensitivity of 4.68×107λ is realized in the coupled structure. Compared with the sensitivity of the traditional SPR structure, the sensitivity of our structure is increased by more than 2 orders, which theoretically indicates that the proposed configuration can be applied to the field of high-sensitivity sensors in the future.

关键词: Goos-Hänchen(GH)shift, planar waveguide(PWG), long-range surface plasmon polartons(LRSPPs)

Abstract:

A hybrid structure based on a planar waveguide (PWG) mode coupling a long-range surface plasmon resonance (LRSPR) mode is proposed to enhance the GH shift. Both the PWG mode and LRSPR mode can be in strong resonance, and these two modes can be coupled together due to the normal-mode splitting. The largest GH shift of PWG-coupled LRSPR structure is 4156 times that of the incident beam, which is 23 times and 3.6 times that of the surface plasmon resonance (SPR) structure and the LRSPR structure, respectively. As a GH shift sensor, the highest sensitivity of 4.68×107λ is realized in the coupled structure. Compared with the sensitivity of the traditional SPR structure, the sensitivity of our structure is increased by more than 2 orders, which theoretically indicates that the proposed configuration can be applied to the field of high-sensitivity sensors in the future.

Key words: Goos-Hänchen(GH)shift, planar waveguide(PWG), long-range surface plasmon polartons(LRSPPs)

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

  • 73.20.Mf
78.67.Pt (Multilayers; superlattices; photonic structures; metamaterials)