High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors
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Karar, Ayman; Das, Narottam; Leong Tan, Chee; Alameh, Kamal; Tak Lee, Yong; Karouta, Fouad
Description
We report the experimental characterization of high-responsivity plasmonics-based GaAsmetal-semiconductor-metalphotodetector (MSM-PD) employing metal nano-gratings. Both the geometry and light absorption near the designed wavelength are theoretically and experimentally investigated. The measured photocurrent enhancement is 4-times in comparison with a conventional single-slit MSM-PD. We observe reduction in the responsivity as the bias voltage increases and the input light polarization varies....[Show more]
Collections | ANU Research Publications |
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Date published: | 2011-09-28 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/16486 |
Source: | Applied Physics Letters |
DOI: | 10.1063/1.3625937 |
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01_Karar_High-responsivity_2011.pdf | Published Version | 769.09 kB | Adobe PDF | ![]() |
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