Ultraviolet Single Photon Detection With Geiger-Mode 4H-SiC Avalanche Photodiodes
- 29 October 2007
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 19 (22) , 1822-1824
- https://doi.org/10.1109/lpt.2007.906830
Abstract
We report 4H-SiC avalanche photodiodes operated in Geiger mode for single photon detection at 265 nm. At room temperature, the single photon detection efficiency is 14% with a dark count probability of 1.7 x 10-4. Since the external quantum efficiency is 21% at 265 nm, it follows that 65% of the absorbed photons are counted as avalanche events. The jitter of the photodiodes is also characterized.Keywords
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