Tailoring the slow light behavior in terahertz metasurfaces
We experimentally study the effect of near field coupling on the transmission of light in terahertz metasurfaces. Our results show that tailoring the coupling between the resonators modulates the amplitude of resulting electromagnetically induced transmission, probed under different types of asymmet...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2015
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/97290 http://hdl.handle.net/10220/25644 |
| _version_ | 1811693475076243456 |
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| author | Manjappa, Manukumara Chiam, Sher-Yi Cong, Longqing Bettiol, Andrew A. Zhang, Weili Singh, Ranjan |
| author2 | School of Physical and Mathematical Sciences |
| author_facet | School of Physical and Mathematical Sciences Manjappa, Manukumara Chiam, Sher-Yi Cong, Longqing Bettiol, Andrew A. Zhang, Weili Singh, Ranjan |
| author_sort | Manjappa, Manukumara |
| collection | NTU |
| description | We experimentally study the effect of near field coupling on the transmission of light in terahertz metasurfaces. Our results show that tailoring the coupling between the resonators modulates the amplitude of resulting electromagnetically induced transmission, probed under different types of asymmetries in the coupled system. Observed change in the transmission amplitude is attributed to the change in the amount of destructive interference between the resonators in the vicinity of strong near field coupling. We employ a two-particle model to theoretically study the influence of the coupling between bright and quasi-dark modes on the transmission properties of the system and we find an excellent agreement with our observed results. Adding to the enhanced transmission characteristics, our results provide a deeper insight into the metamaterial analogues of atomic electromagnetically induced transparency and offer an approach to engineer slow light devices, broadband filters, and attenuators at terahertz frequencies. |
| first_indexed | 2024-10-01T06:52:16Z |
| format | Journal Article |
| id | ntu-10356/97290 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T06:52:16Z |
| publishDate | 2015 |
| record_format | dspace |
| spelling | ntu-10356/972902023-02-28T19:40:32Z Tailoring the slow light behavior in terahertz metasurfaces Manjappa, Manukumara Chiam, Sher-Yi Cong, Longqing Bettiol, Andrew A. Zhang, Weili Singh, Ranjan School of Physical and Mathematical Sciences DRNTU::Science::Physics We experimentally study the effect of near field coupling on the transmission of light in terahertz metasurfaces. Our results show that tailoring the coupling between the resonators modulates the amplitude of resulting electromagnetically induced transmission, probed under different types of asymmetries in the coupled system. Observed change in the transmission amplitude is attributed to the change in the amount of destructive interference between the resonators in the vicinity of strong near field coupling. We employ a two-particle model to theoretically study the influence of the coupling between bright and quasi-dark modes on the transmission properties of the system and we find an excellent agreement with our observed results. Adding to the enhanced transmission characteristics, our results provide a deeper insight into the metamaterial analogues of atomic electromagnetically induced transparency and offer an approach to engineer slow light devices, broadband filters, and attenuators at terahertz frequencies. Published version 2015-05-22T03:12:02Z 2019-12-06T19:40:57Z 2015-05-22T03:12:02Z 2019-12-06T19:40:57Z 2015 2015 Journal Article Manjappa, M., Chiam, S.-Y., Cong, L., Bettiol, A. A., Zhang, W., & Singh, R. (2015). Tailoring the slow light behavior in terahertz metasurfaces. Applied physics letters, 106(18), 181101-. https://hdl.handle.net/10356/97290 http://hdl.handle.net/10220/25644 10.1063/1.4919531 en Applied physics letters © 2015 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The paper can be found at the following official DOI: [http://dx.doi.org/10.1063/1.4919531]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. 6 p. application/pdf |
| spellingShingle | DRNTU::Science::Physics Manjappa, Manukumara Chiam, Sher-Yi Cong, Longqing Bettiol, Andrew A. Zhang, Weili Singh, Ranjan Tailoring the slow light behavior in terahertz metasurfaces |
| title | Tailoring the slow light behavior in terahertz metasurfaces |
| title_full | Tailoring the slow light behavior in terahertz metasurfaces |
| title_fullStr | Tailoring the slow light behavior in terahertz metasurfaces |
| title_full_unstemmed | Tailoring the slow light behavior in terahertz metasurfaces |
| title_short | Tailoring the slow light behavior in terahertz metasurfaces |
| title_sort | tailoring the slow light behavior in terahertz metasurfaces |
| topic | DRNTU::Science::Physics |
| url | https://hdl.handle.net/10356/97290 http://hdl.handle.net/10220/25644 |
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