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首页> 外文期刊>Japanese Journal of Applied Physics. Part 1, Regular Papers, Brief Communications & Review Papers >Discharge Pulse Counting for Low-Noise Single-Photon Detection at 1550 nm Using InGaAs Avalanche Photodiode Cooled to 130 K
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Discharge Pulse Counting for Low-Noise Single-Photon Detection at 1550 nm Using InGaAs Avalanche Photodiode Cooled to 130 K

机译:使用冷却至130 K的InGaAs雪崩光电二极管在1550 nm处进行低噪声单光子检测的放电脉冲计数

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摘要

Low-noise single-photon detection at 1550 nm was demonstrated using an indium-gallium-arsenide avalanche photodiode cooled to 130K. Discharge pulse counting was adopted for after-pulse-suppressed single-photon detection. The dark-count probability and after-pulse probability were 1.4 x 10~(-7) and 6.3 x 10~(-4), respectively, when the quantum efficiency was 10%. The repetition frequency of single-photon detection was 100 kHz.
机译:使用冷却至130K的砷化铟镓雪崩光电二极管证明了在1550 nm处的低噪声单光子检测。后脉冲抑制的单光子检测采用放电脉冲计数。当量子效率为10%时,暗计数概率和脉冲后概率分别为1.4 x 10〜(-7)和6.3 x 10〜(-4)。单光子检测的重复频率为100 kHz。

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