Staircase Avalanche Photodiode with a Mid-wave Infrared Absorber

Adam A. Dadey,Andrew H. Jones,Stephen D. March,Seth R. Bank,Joe C. Campbell

2023 IEEE PHOTONICS CONFERENCE, IPC（2023）

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摘要

We demonstrate a 2-step staircase avalanche photodiode with a narrow band gap absorber capable of mid-wave infrared absorption. At its designed gain of four, the device has a near unity excess noise factor, three times lower than conventional InGaAs/InP APDs.

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关键词

avalanche photodiodes,staircase APD,SWIR,MWIR,photodetectors,AlInAsSb

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