Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing
A ring-waveguide coupled with a silver block is investigated detailedly. The Coupled-Mode theory (CMT) is introduced to analyze the transmission properties, and the CMT result has been demonstrated by the Finite-Difference Time-Domain (FDTD). The result indicates that the lateral displacement S play...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2022-12-01
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| Series: | Results in Optics |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666950122000906 |
| _version_ | 1797985487322873856 |
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| author | Lili Zeng Boxun Li Ruquan Wen Xingjiao Zhang Yi Wei Mingliang Liu |
| author_facet | Lili Zeng Boxun Li Ruquan Wen Xingjiao Zhang Yi Wei Mingliang Liu |
| author_sort | Lili Zeng |
| collection | DOAJ |
| description | A ring-waveguide coupled with a silver block is investigated detailedly. The Coupled-Mode theory (CMT) is introduced to analyze the transmission properties, and the CMT result has been demonstrated by the Finite-Difference Time-Domain (FDTD). The result indicates that the lateral displacement S plays an important role in spectrum. At the same time, due to symmetry breaking, a Fano resonance, originating from degenerate interference, can be observed. Owing to the fact that a silver block enhances the interaction between light and matter, the maximum sensitivity is up to 1650 nm/RIU with a FOM of 284.5. The results show that there is a great improvement in sensitivity to introduce a silver block. In addition, when the structure is infiltrated with ethanol, the sensitivity dλ/dT can achieve 0.671 nm/°C and the sensitivity of long wavelength is higher than that of short-wavelength. These excellent features may be applied in temperature sensing. This structure has the advantages of simple and compact, and it has potential applications in nano sensor and highly photonic integrated circuits. |
| first_indexed | 2024-04-11T07:19:01Z |
| format | Article |
| id | doaj.art-a4e663fcffb84e1d9cc1117377b71d80 |
| institution | Directory Open Access Journal |
| issn | 2666-9501 |
| language | English |
| last_indexed | 2024-04-11T07:19:01Z |
| publishDate | 2022-12-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Results in Optics |
| spelling | doaj.art-a4e663fcffb84e1d9cc1117377b71d802022-12-22T04:37:50ZengElsevierResults in Optics2666-95012022-12-019100301Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensingLili Zeng0Boxun Li1Ruquan Wen2Xingjiao Zhang3Yi Wei4Mingliang Liu5New Energy Institute, Hunan Vocational Institute of Technology, 411104, ChinaSchool of Physics and Optoelectronics, Xiangtan University, 411105, China; Corresponding authors.School of Mechatronics Engineering, Ping Xiang University, 337055, China; Corresponding authors.School of Mechatronics Engineering, Ping Xiang University, 337055, ChinaSchool of Physics and Optoelectronics, Xiangtan University, 411105, ChinaSchool of Physics and Optoelectronics, Xiangtan University, 411105, ChinaA ring-waveguide coupled with a silver block is investigated detailedly. The Coupled-Mode theory (CMT) is introduced to analyze the transmission properties, and the CMT result has been demonstrated by the Finite-Difference Time-Domain (FDTD). The result indicates that the lateral displacement S plays an important role in spectrum. At the same time, due to symmetry breaking, a Fano resonance, originating from degenerate interference, can be observed. Owing to the fact that a silver block enhances the interaction between light and matter, the maximum sensitivity is up to 1650 nm/RIU with a FOM of 284.5. The results show that there is a great improvement in sensitivity to introduce a silver block. In addition, when the structure is infiltrated with ethanol, the sensitivity dλ/dT can achieve 0.671 nm/°C and the sensitivity of long wavelength is higher than that of short-wavelength. These excellent features may be applied in temperature sensing. This structure has the advantages of simple and compact, and it has potential applications in nano sensor and highly photonic integrated circuits.http://www.sciencedirect.com/science/article/pii/S2666950122000906Surface PlasmonsSensingPhotonic integrated circuits |
| spellingShingle | Lili Zeng Boxun Li Ruquan Wen Xingjiao Zhang Yi Wei Mingliang Liu Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing Results in Optics Surface Plasmons Sensing Photonic integrated circuits |
| title | Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing |
| title_full | Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing |
| title_fullStr | Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing |
| title_full_unstemmed | Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing |
| title_short | Improving sensitivity in ring-waveguide coupled with a silver block for temperature sensing |
| title_sort | improving sensitivity in ring waveguide coupled with a silver block for temperature sensing |
| topic | Surface Plasmons Sensing Photonic integrated circuits |
| url | http://www.sciencedirect.com/science/article/pii/S2666950122000906 |
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