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Poster

High-Efficiency Plasmon-Enhanced GeSn Photodetectors Operating at 2 µm (JW1A.54)

Presenter: Hao Zhou, Nanyang Technological University

Au/GeSn grating structure was designed and adopted in GeSn photodetectors to enhance the optical absorption at 2 μm. A 3× improvement in responsivity to 0.386 A/W was achieved under TM-polarized illumination.

Authors:Hao Zhou, Nanyang Technological University / Lin Zhang, Nanyang Technological University / Jinchao Tong, Nanyang Technological University / Shaoteng Wu, Nanyang Technological University / Qimiao Chen, Nanyang Technological University / Bongkwon Son, Nanyang Technological University / Dao Hua Zhang, Nanyang Technological University / Chuan Seng Tan, Nanyang Technological University


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