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Conferences > CLEO_AT > 2020 > AF3I > AF3I.6

Performance Enhanced Multicolor Quantum Grid Infrared Photodetector with Graphene/GaAs Heterojunction

Bor-Wei Liang, Chiu-Chang Huang, Kuang-Ju Kao, Yann-Wen Lan, and Chieh-Hsiung Kuan

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Abstract

We have demonstrated a performance enhanced multicolor quantum grid infrared photodetector (QGIP) through graphene overlaying. The responsivity and the detectivity are improved due to the photoelectrons extra-generated at the Graphene-GaAs interface contribute to the photocurrent.

© 2020 The Author(s)

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