A simple method for afterpulse probability measurement in high-speed single-photon detectors |
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| Affiliation: | 1. Advanced Research Center for Optics, Shandong University, Jinan 250100, China;2. School of Information Science and Engineering, Shandong University, Jinan 250100, China;3. Key Laboratory of Infrared Detection and Imaging Technology, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China;1. Centro Nacional de Microelectrónica (IMB-CNM, CSIC), Campus Universitario de Bellaterra, 08193 Barcelona, Spain;2. Instituto de Fisica Corpuscular (IFIC, CSIC-UV), Valencia, Spain;3. Santa Cruz Institute for Particle Physics (SCIPP), University of California Santa Cruz (UCSC), Santa Cruz, CA, USA;1. Department of Physics, University of Illinois Urbana-Champaign, Urbana, IL, United States;2. Illinois Quantum Information Science and Technology (IQUIST) Center, University of Illinois Urbana-Champaign, Urbana, IL, United States;3. Center for Dynamics and Control of Materials, The University of Texas at Austin, Austin, TX, United States;1. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;2. University of Chinese Academy of Sciences, Beijing 100039, China;1. University of Nis, Faculty of Mechanical Engineering, Aleksandra Medvedeva 14, 18000 Nis, Serbia;2. Faculty of Engineering, Rezekne Academy of Technologies, Atbrīvošanas aleja 115, 4601 Rezekne, Latvia |
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| Abstract: | A simple statistical method is proposed for afterpulse probability measurement in high-speed single-photon detectors. The method is based on in-laser-period counting without the support of time-correlated information or delay adjustment, and is readily implemented with commercially available logic devices. We present comparisons among the proposed method and commonly used methods which use the time-correlated single-photon counter or the gated counter, based on a 1.25-GHz gated infrared single-photon detector. Results show that this in-laser-period counting method has similar accuracy to the commonly used methods with extra simplicity, robustness, and faster measuring speed. |
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| Keywords: | Afterpulse probability Single-photon detector Counter |
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