2μm-compatible avalanche photodetector using Sb-based superlattice

Wenguang Zhou; Junkai Jiang; Nong Li; Faran Chang; Guowei Wang; Yingqiang Xu; Donghai Wu; Dongwei Jiang; Hongyue Hao; Weiqiang Chen; Suning Cui; Xueyue Xu; Zhichuan Niu

doi:10.1117/12.2644100

16 December 2022 2μm-compatible avalanche photodetector using Sb-based superlattice

Wenguang Zhou, Junkai Jiang, Nong Li, Faran Chang, Guowei Wang, Yingqiang Xu, Donghai Wu, Dongwei Jiang, Hongyue Hao, Weiqiang Chen, Suning Cui, Xueyue Xu, Zhichuan Niu

Author Affiliations +

Proceedings Volume 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX; 1232413 (2022) https://doi.org/10.1117/12.2644100
Event: SPIE/COS Photonics Asia, 2022, Online Only

Conference Poster

Abstract

In this work, we report a separate absorption and multiplication avalanche photodiode (SAM-APD) with 100% cut-off wavelength of ~2.1 μm at 300 K grown by molecular beam epitaxy. The electron-dominated avalanche mechanism multiplication region was designed as a multi-quantum well structure consisting of AlAsSb/GaSb H-structure superlattice and Al_0.3In_0.7AsSb digital alloy. At room temperature, the device exhibits a maximum multiplication gain of 79 under -13.3 bias voltage.

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Wenguang Zhou, Junkai Jiang, Nong Li, Faran Chang, Guowei Wang, Yingqiang Xu, Donghai Wu, Dongwei Jiang, Hongyue Hao, Weiqiang Chen, Suning Cui, Xueyue Xu, and Zhichuan Niu "2μm-compatible avalanche photodetector using Sb-based superlattice", Proc. SPIE 12324, Infrared, Millimeter-Wave, and Terahertz Technologies IX, 1232413 (16 December 2022); https://doi.org/10.1117/12.2644100

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