Numerical study of gain-assisted terahertz hybrid plasmonic waveguide
A numerical transfer matrix method (TMM) is applied to investigate hybrid surface plasmon polaritons (HySPPs) waveguide structure, which consists of a high permittivity dielectric fiber separated from a metal surface with a low permittivity dielectric gap. The results obtained from the TMM agree wel...
| Main Authors: | , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2013
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| Online Access: | https://hdl.handle.net/10356/99828 http://hdl.handle.net/10220/10487 |
| _version_ | 1826112466082332672 |
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| author | He, Xiao Yong Wang, Qi Jie Yu, Siu Fung |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering He, Xiao Yong Wang, Qi Jie Yu, Siu Fung |
| author_sort | He, Xiao Yong |
| collection | NTU |
| description | A numerical transfer matrix method (TMM) is applied to investigate hybrid surface plasmon polaritons (HySPPs) waveguide structure, which consists of a high permittivity dielectric fiber separated from a metal surface with a low permittivity dielectric gap. The results obtained from the TMM agree well with those from the finite element method but with a faster calculation speed. As a demonstration example, we have systematically investigated the propagation properties of the gain-assisted HySPPs waveguide in the terahertz regime by using this method, studying the influences of structure parameters, frequency, temperature, and material gain. The results manifest that the effective index and the propagation loss decrease with the increase of temperature. In addition, as the frequency increases, the effective index increases and the propagation loss shows a peak. Furthermore, lossless propagation can be achieved when certain gain materials are applied into the HySPPs structure. Our method provides an efficient approach to investigate HySPPs waveguide and other plasmonic devices. |
| first_indexed | 2024-10-01T03:07:28Z |
| format | Journal Article |
| id | ntu-10356/99828 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:07:28Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/998282020-03-07T12:34:49Z Numerical study of gain-assisted terahertz hybrid plasmonic waveguide He, Xiao Yong Wang, Qi Jie Yu, Siu Fung School of Electrical and Electronic Engineering School of Physical and Mathematical Sciences A numerical transfer matrix method (TMM) is applied to investigate hybrid surface plasmon polaritons (HySPPs) waveguide structure, which consists of a high permittivity dielectric fiber separated from a metal surface with a low permittivity dielectric gap. The results obtained from the TMM agree well with those from the finite element method but with a faster calculation speed. As a demonstration example, we have systematically investigated the propagation properties of the gain-assisted HySPPs waveguide in the terahertz regime by using this method, studying the influences of structure parameters, frequency, temperature, and material gain. The results manifest that the effective index and the propagation loss decrease with the increase of temperature. In addition, as the frequency increases, the effective index increases and the propagation loss shows a peak. Furthermore, lossless propagation can be achieved when certain gain materials are applied into the HySPPs structure. Our method provides an efficient approach to investigate HySPPs waveguide and other plasmonic devices. 2013-06-19T06:39:00Z 2019-12-06T20:12:05Z 2013-06-19T06:39:00Z 2019-12-06T20:12:05Z 2012 2012 Journal Article He, X. Y., Wang, Q. J., & Yu, S. F. (2012). Numerical Study of Gain-Assisted Terahertz Hybrid Plasmonic Waveguide. Plasmonics, 7(3), 571-577. 1557-1955 https://hdl.handle.net/10356/99828 http://hdl.handle.net/10220/10487 10.1007/s11468-012-9344-6 en Plasmonics © 2012 Springer Science+Business Media, LLC. |
| spellingShingle | He, Xiao Yong Wang, Qi Jie Yu, Siu Fung Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title | Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title_full | Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title_fullStr | Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title_full_unstemmed | Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title_short | Numerical study of gain-assisted terahertz hybrid plasmonic waveguide |
| title_sort | numerical study of gain assisted terahertz hybrid plasmonic waveguide |
| url | https://hdl.handle.net/10356/99828 http://hdl.handle.net/10220/10487 |
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