Electrical modulation of high-Q guided-mode resonances using graphene
Subwavelength dielectric resonators have been demonstrated to provide an authentic platform to excite high-Q resonances in flat optics. Here, we present a strategy to modulate the high-Q resonances electrically using graphene. In the proposed strategy, the high-Q resonance is invoked through the use...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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Elsevier
2022-07-01
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| Series: | Carbon Trends |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667056922000414 |
| _version_ | 1828782257598365696 |
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| author | Seyoon Kim Ju Young Kim Min Seok Jang Victor W. Brar |
| author_facet | Seyoon Kim Ju Young Kim Min Seok Jang Victor W. Brar |
| author_sort | Seyoon Kim |
| collection | DOAJ |
| description | Subwavelength dielectric resonators have been demonstrated to provide an authentic platform to excite high-Q resonances in flat optics. Here, we present a strategy to modulate the high-Q resonances electrically using graphene. In the proposed strategy, the high-Q resonance is invoked through the use of a lateral guided-mode resonance that is spectrally aligned with a vertical thin film interference, while graphene is employed to engineer the overall absorption rate. This configuration allows for near unity modulations in both the transmission and the reflection simultaneously. Theoretical analysis shows that the excitation of the high-Q guided-mode resonance is dictated by the electrically tunable interband absorption in graphene while the radiative coupling channel remains intact. In particular, it is shown that the electrical modulation of the high-Q guided-mode resonance facilitates remarkably efficient light modulation without being limited by the graphene quality. |
| first_indexed | 2024-12-11T17:46:48Z |
| format | Article |
| id | doaj.art-d443f8cef7524cb4860bf218fae8ef44 |
| institution | Directory Open Access Journal |
| issn | 2667-0569 |
| language | English |
| last_indexed | 2024-12-11T17:46:48Z |
| publishDate | 2022-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Carbon Trends |
| spelling | doaj.art-d443f8cef7524cb4860bf218fae8ef442022-12-22T00:56:21ZengElsevierCarbon Trends2667-05692022-07-018100185Electrical modulation of high-Q guided-mode resonances using grapheneSeyoon Kim0Ju Young Kim1Min Seok Jang2Victor W. Brar3Department of Physics, University of Wisconsin-Madison, Madison, WI 53706, United States; Corresponding authors.School of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of KoreaSchool of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea; Corresponding authors.Department of Physics, University of Wisconsin-Madison, Madison, WI 53706, United States; Corresponding authors.Subwavelength dielectric resonators have been demonstrated to provide an authentic platform to excite high-Q resonances in flat optics. Here, we present a strategy to modulate the high-Q resonances electrically using graphene. In the proposed strategy, the high-Q resonance is invoked through the use of a lateral guided-mode resonance that is spectrally aligned with a vertical thin film interference, while graphene is employed to engineer the overall absorption rate. This configuration allows for near unity modulations in both the transmission and the reflection simultaneously. Theoretical analysis shows that the excitation of the high-Q guided-mode resonance is dictated by the electrically tunable interband absorption in graphene while the radiative coupling channel remains intact. In particular, it is shown that the electrical modulation of the high-Q guided-mode resonance facilitates remarkably efficient light modulation without being limited by the graphene quality.http://www.sciencedirect.com/science/article/pii/S2667056922000414Graphenehigh-Q resonancelight modulation |
| spellingShingle | Seyoon Kim Ju Young Kim Min Seok Jang Victor W. Brar Electrical modulation of high-Q guided-mode resonances using graphene Carbon Trends Graphene high-Q resonance light modulation |
| title | Electrical modulation of high-Q guided-mode resonances using graphene |
| title_full | Electrical modulation of high-Q guided-mode resonances using graphene |
| title_fullStr | Electrical modulation of high-Q guided-mode resonances using graphene |
| title_full_unstemmed | Electrical modulation of high-Q guided-mode resonances using graphene |
| title_short | Electrical modulation of high-Q guided-mode resonances using graphene |
| title_sort | electrical modulation of high q guided mode resonances using graphene |
| topic | Graphene high-Q resonance light modulation |
| url | http://www.sciencedirect.com/science/article/pii/S2667056922000414 |
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