Sine gating detector with simple filtering for low-noise infra-red single photon detection at room temperature

Autor: Nino Walenta, Tommaso Lunghi, Olivier Guinnard, Hugo Zbinden, Raphael Houlmann, Nicolas Gisin
Rok vydání: 2012
Předmět:
Zdroj: Journal of Applied Physics, Vol. 112, No 6 (2012) P. 063106
ISSN: 0021-8979
DOI: 10.48550/arxiv.1205.3084
Popis: We present and analyze a gated single photon avalanche detector using a sine gating scheme with a simple but effective low-pass filtering technique for fast low-noise single photon detection at telecom wavelength. The detector is characterized by 130 ps short gates applied with a frequency of 1.25 GHz, yields only 70 ps timing jitter and noise probabilities as low as 7E-7 per gate at 10% detection efficiency. We show that the detector is suitable for high rate quantum key distribution (QKD) and even at room temperature it could allow for QKD over distances larger than 25 km.
Comment: 6 pages, 11 figures
Databáze: OpenAIRE