2014•Applied Physics LettersRequires access
Highly enhanced avalanche probability using sinusoidally-gated silicon avalanche photodiode
Shingo Suzuki, Naoto Namekata, Kenji Tsujino, Shuichiro Inoue
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Abstract
We report on visible light single photon detection using a sinusoidally-gated silicon avalanche photodiode. Detection efficiency of 70.6% was achieved at a wavelength of 520 nm when an electrically cooled silicon avalanche photodiode with a quantum efficiency of 72.4% was used, which implies that a photo-excited single charge carrier in a silicon avalanche photodiode can trigger a detectable avalanche (charge) signal with a probability of 97.6%.