期刊
JOURNAL OF LIGHTWAVE TECHNOLOGY
卷 35, 期 12, 页码 2380-2384出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JLT.2017.2681041
关键词
Avalanche photodiodes; low noise; photodetectors
资金
- ARO
- DARPA [W911NF-12-1-0428]
We report avalanche photodiodes fabricated from Al(x)In(1-x)As(y)Sb(1-y)wafers grown by molecular beam epitaxy using the digital alloy technique. A series of AlxIn1-xAsySb1-y (x = 0.3, 0.4, 0.5, 0.6, 0.7) p-i-n structures have been grown on GaSb substrate. Dark current, avalanche multiplication, excess noise, and external quantum efficiencies have been characterized. Very low excess noise, as characterized by k similar to 0.01- 0.05, has been achieved.
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