Enhanced photodetection in graphene-integrated photonic crystal cavity
We demonstrate the controlled enhancement of photoresponsivity in a graphene photodetector by coupling to slow light modes in a long photonic crystal linear defect cavity. Near the Brillouin zone (BZ) boundary, spectral coupling of multiple cavity modes results in broad-band photocurrent enhancement...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | en_US |
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American Institute of Physics (AIP)
2014
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| Online Access: | http://hdl.handle.net/1721.1/86399 https://orcid.org/0000-0002-4363-3081 |
| _version_ | 1826194727538524160 |
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| author | Shiue, Ren-Jye Gan, Xuetao Gao, Yuanda Li, Luozhou Yao, Xinwen Szep, Attila Walker, Dennis Hone, James Englund, Dirk Robert |
| author2 | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science |
| author_facet | Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Shiue, Ren-Jye Gan, Xuetao Gao, Yuanda Li, Luozhou Yao, Xinwen Szep, Attila Walker, Dennis Hone, James Englund, Dirk Robert |
| author_sort | Shiue, Ren-Jye |
| collection | MIT |
| description | We demonstrate the controlled enhancement of photoresponsivity in a graphene photodetector by coupling to slow light modes in a long photonic crystal linear defect cavity. Near the Brillouin zone (BZ) boundary, spectral coupling of multiple cavity modes results in broad-band photocurrent enhancement from 1530 nm to 1540 nm. Away from the BZ boundary, individual cavity resonances enhance the photocurrent eight-fold in narrow resonant peaks. Optimization of the photocurrent via critical coupling of the incident field with the graphene-cavity system is discussed. The enhanced photocurrent demonstrates the feasibility of a wavelength-scale graphene photodetector for efficient photodetection with high spectral selectivity and broadband response. |
| first_indexed | 2024-09-23T10:00:53Z |
| format | Article |
| id | mit-1721.1/86399 |
| institution | Massachusetts Institute of Technology |
| language | en_US |
| last_indexed | 2024-09-23T10:00:53Z |
| publishDate | 2014 |
| publisher | American Institute of Physics (AIP) |
| record_format | dspace |
| spelling | mit-1721.1/863992022-09-30T18:16:41Z Enhanced photodetection in graphene-integrated photonic crystal cavity Shiue, Ren-Jye Gan, Xuetao Gao, Yuanda Li, Luozhou Yao, Xinwen Szep, Attila Walker, Dennis Hone, James Englund, Dirk Robert Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Shiue, Ren-Jye Englund, Dirk Robert We demonstrate the controlled enhancement of photoresponsivity in a graphene photodetector by coupling to slow light modes in a long photonic crystal linear defect cavity. Near the Brillouin zone (BZ) boundary, spectral coupling of multiple cavity modes results in broad-band photocurrent enhancement from 1530 nm to 1540 nm. Away from the BZ boundary, individual cavity resonances enhance the photocurrent eight-fold in narrow resonant peaks. Optimization of the photocurrent via critical coupling of the incident field with the graphene-cavity system is discussed. The enhanced photocurrent demonstrates the feasibility of a wavelength-scale graphene photodetector for efficient photodetection with high spectral selectivity and broadband response. United States. Dept. of Energy. Center for Excitonics (Award DE-SC0001088) United States. Dept. of Energy. Office of Basic Energy Sciences (Contract DE-AC02-98CH10886)) United States. Dept. of Energy. Center for Excitonics (Award DE-SC0001085) 2014-05-05T14:19:43Z 2014-05-05T14:19:43Z 2013-12 2013-09 Article http://purl.org/eprint/type/JournalArticle 00036951 1077-3118 http://hdl.handle.net/1721.1/86399 Shiue, Ren-Jye, Xuetao Gan, Yuanda Gao, Luozhou Li, Xinwen Yao, Attila Szep, Dennis Walker, James Hone, and Dirk Englund. “Enhanced Photodetection in Graphene-Integrated Photonic Crystal Cavity.” Appl. Phys. Lett. 103, no. 24 (2013): 241109. © 2013 AIP Publishing LLC https://orcid.org/0000-0002-4363-3081 en_US http://dx.doi.org/10.1063/1.4839235 Applied Physics Letters Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Institute of Physics (AIP) MIT web domain |
| spellingShingle | Shiue, Ren-Jye Gan, Xuetao Gao, Yuanda Li, Luozhou Yao, Xinwen Szep, Attila Walker, Dennis Hone, James Englund, Dirk Robert Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title | Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title_full | Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title_fullStr | Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title_full_unstemmed | Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title_short | Enhanced photodetection in graphene-integrated photonic crystal cavity |
| title_sort | enhanced photodetection in graphene integrated photonic crystal cavity |
| url | http://hdl.handle.net/1721.1/86399 https://orcid.org/0000-0002-4363-3081 |
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