Ultra-low noise single-photon detector based on Si avalanche photodiode

Details Ultra-low noise single-photon detector based on Si avalanche photodiode Ultra-low noise single-photon detector based on Si avalanche photodiode

2011-05-04

arxiv.org/abs/1105.0869v3

Rev. Sci. Instrum. 82, 093110 (2011)

Physics

Instrumentation and Detectors

Fixed a broken figure, updated references. 6 pages, 7 figures, 1 table

Scientific paper

10.1063/1.3641294

We report operation and characterization of a lab-assembled single-photon detector based on commercial silicon avalanche photodiodes (PerkinElmer C30902SH, C30921SH). Dark count rate as low as 5 Hz was achieved by cooling the photodiodes down to -80 C. While afterpulsing increased as the photodiode temperature was decreased, total afterpulse probability did not become significant due to detector's relatively long deadtime in a passively-quenched scheme. We measured photon detection efficiency higher than 50% at 806 nm.

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