Separate Absorption, Charge, and Multiplication Avalanche Photodiode with a Digital Alloy Al_0.05 In_0.95 As_0.93 Sb_0.07 Absorber for Mid-IR Detection

Adam A. Dadey,J. Andrew McArthur,Seth R. Bank,Joe C. Campbell

2022 IEEE Photonics Conference (IPC)（2022）

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摘要

We demonstrate a separate absorption, charge, and multiplication avalanche photodiode utilizing a digitally grown Al 0.05 In 0.95 As 0.93 Sb 0.07 absorber and Al 0.7 In 0.3 As 0.27 Sb 0.73 multiplier. The device has a unity gain external quantum efficiency of 39% and gains up to 165 under 2-μm illumination at 100 K.

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关键词

multiplication avalanche photodiode,digital alloy avalanche,separate absorption

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Separate Absorption, Charge, and Multiplication Avalanche Photodiode with a Digital Alloy Al0.05 In0.95 As0.93 Sb0.07 Absorber for Mid-IR Detection

Separate Absorption, Charge, and Multiplication Avalanche Photodiode with a Digital Alloy Al_0.05 In_0.95 As_0.93 Sb_0.07 Absorber for Mid-IR Detection