Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared
In the phase-sensitivity-based surface plasmon resonance (SPR) sensing scheme, the highest phase jump usually happens at the darkness or quasi-darkness reflection point, which results in low power for detection. To overcome such a limitation, in this paper, a waveguide-coupled SPR configuration is p...
| Main Authors: | , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2018
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/89580 http://hdl.handle.net/10220/46299 |
| _version_ | 1811677658658897920 |
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| author | Huang, Tianye Zeng, Shuwen Zhao, Xiang Cheng, Zhuo Shum, Perry Ping |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Huang, Tianye Zeng, Shuwen Zhao, Xiang Cheng, Zhuo Shum, Perry Ping |
| author_sort | Huang, Tianye |
| collection | NTU |
| description | In the phase-sensitivity-based surface plasmon resonance (SPR) sensing scheme, the highest phase jump usually happens at the darkness or quasi-darkness reflection point, which results in low power for detection. To overcome such a limitation, in this paper, a waveguide-coupled SPR configuration is proposed to work at near-infrared. The coupling between surface plasmon polariton (SPP) mode and photonic waveguide (PWG) mode results in electromagnetically induced transparency (EIT) and asymmetric Fano resonance (FR). Near the resonance, the differential phase between p-polarized and s-polarized incident waves experience drastic variation upon change of the surrounding refractive index. More importantly, since the FR occurs at the resonance slope of SPP mode, the corresponding phase change is accompanied with relatively high reflectivity, which is essential for signal-to-noise ratio (SNR) enhancement and power consumption reduction. Phase sensitivity up to 106 deg/RIU order with a minimum SPR reflectivity higher than 20% is achieved. The proposed scheme provides an alternative approach for high-performance sensing applications using FR. |
| first_indexed | 2024-10-01T02:40:52Z |
| format | Journal Article |
| id | ntu-10356/89580 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:40:52Z |
| publishDate | 2018 |
| record_format | dspace |
| spelling | ntu-10356/895802020-03-07T14:02:38Z Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared Huang, Tianye Zeng, Shuwen Zhao, Xiang Cheng, Zhuo Shum, Perry Ping School of Electrical and Electronic Engineering Optical Sensor DRNTU::Engineering::Electrical and electronic engineering Surface Plasmon Resonance In the phase-sensitivity-based surface plasmon resonance (SPR) sensing scheme, the highest phase jump usually happens at the darkness or quasi-darkness reflection point, which results in low power for detection. To overcome such a limitation, in this paper, a waveguide-coupled SPR configuration is proposed to work at near-infrared. The coupling between surface plasmon polariton (SPP) mode and photonic waveguide (PWG) mode results in electromagnetically induced transparency (EIT) and asymmetric Fano resonance (FR). Near the resonance, the differential phase between p-polarized and s-polarized incident waves experience drastic variation upon change of the surrounding refractive index. More importantly, since the FR occurs at the resonance slope of SPP mode, the corresponding phase change is accompanied with relatively high reflectivity, which is essential for signal-to-noise ratio (SNR) enhancement and power consumption reduction. Phase sensitivity up to 106 deg/RIU order with a minimum SPR reflectivity higher than 20% is achieved. The proposed scheme provides an alternative approach for high-performance sensing applications using FR. Published version 2018-10-12T05:21:44Z 2019-12-06T17:28:50Z 2018-10-12T05:21:44Z 2019-12-06T17:28:50Z 2018 Journal Article Huang, T., Zeng, S., Zhao, X., Cheng, Z., & Shum, P. (2018). Fano Resonance Enhanced Surface Plasmon Resonance Sensors Operating in Near-Infrared. Photonics, 5(3), 23-. doi:10.3390/photonics5030023 https://hdl.handle.net/10356/89580 http://hdl.handle.net/10220/46299 10.3390/photonics5030023 en Photonics © 2018 by The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). 11 p. application/pdf |
| spellingShingle | Optical Sensor DRNTU::Engineering::Electrical and electronic engineering Surface Plasmon Resonance Huang, Tianye Zeng, Shuwen Zhao, Xiang Cheng, Zhuo Shum, Perry Ping Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title | Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title_full | Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title_fullStr | Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title_full_unstemmed | Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title_short | Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared |
| title_sort | fano resonance enhanced surface plasmon resonance sensors operating in near infrared |
| topic | Optical Sensor DRNTU::Engineering::Electrical and electronic engineering Surface Plasmon Resonance |
| url | https://hdl.handle.net/10356/89580 http://hdl.handle.net/10220/46299 |
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