High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors

Ayman Karar; Narottam Das; Chee Leong Tan; Kamal Alameh; Yong Tak Lee; Fouad Karouta

doi:10.1063/1.3625937

High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors

Ayman Karar^*
, Narottam Das
, Chee Leong Tan
, Kamal Alameh
, Yong Tak Lee
, Fouad Karouta

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

We report the experimental characterization of high-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetector (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. Our experimental results demonstrate the feasibility of developing a high-responsivity, low bias-voltage high-speed MSM-PD.

Original language	English
Article number	133112
Journal	Applied Physics Letters
Volume	99
Issue number	13
DOIs	https://doi.org/10.1063/1.3625937
Publication status	Published - 26 Sept 2011

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title = "High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors",

abstract = "We report the experimental characterization of high-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetector (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. Our experimental results demonstrate the feasibility of developing a high-responsivity, low bias-voltage high-speed MSM-PD.",

author = "Ayman Karar and Narottam Das and \{Leong Tan\}, Chee and Kamal Alameh and \{Tak Lee\}, Yong and Fouad Karouta",

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T1 - High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors

AU - Karar, Ayman

AU - Das, Narottam

AU - Leong Tan, Chee

AU - Alameh, Kamal

AU - Tak Lee, Yong

AU - Karouta, Fouad

PY - 2011/9/26

Y1 - 2011/9/26

N2 - We report the experimental characterization of high-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetector (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. Our experimental results demonstrate the feasibility of developing a high-responsivity, low bias-voltage high-speed MSM-PD.

AB - We report the experimental characterization of high-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetector (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. Our experimental results demonstrate the feasibility of developing a high-responsivity, low bias-voltage high-speed MSM-PD.

UR - https://www.scopus.com/pages/publications/80053556474

U2 - 10.1063/1.3625937

DO - 10.1063/1.3625937

M3 - Article

SN - 0003-6951

VL - 99

JO - Applied Physics Letters

JF - Applied Physics Letters

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M1 - 133112

ER -

High-responsivity plasmonics-based GaAs metal-semiconductor-metal photodetectors

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