抄録
Plasmonic photodetectors have many useful characteristics, such as wavelength- or polarization-specific photodetection. Although reconfigurable plasmonic structures have been intensively studied, reconfiguration of the optical characteristics of a plasmonic photodetector has not yet been reported. Here, we report a gold diffraction-grating-type plasmonic photodetector that reconfigures its optical characteristics with a MEMS deformable cantilever. By reconfiguring the photodetector characteristics using an angular scan of the cantilever over -21° to 21°, the peak shifts of the photocurrent signal waveform are found to depend on the wavelength over 1200∼1500 nm, which is consistent with SPR theory. The proposed reconfigurable plasmonic photodetector allowed us to obtain spectroscopic information on the light in a demonstration experiment.
本文言語 | English |
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ページ(範囲) | 673-679 |
ページ数 | 7 |
ジャーナル | ACS Photonics |
巻 | 7 |
号 | 3 |
DOI | |
出版ステータス | Published - 2020 3月 18 |
ASJC Scopus subject areas
- 電子材料、光学材料、および磁性材料
- バイオテクノロジー
- 原子分子物理学および光学
- 電子工学および電気工学