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High-performance InGaAs/InP-based single photon avalanche diode with reduced afterpulsing

机译:高性能基于InGaAs / InP的单光子雪崩二极管,减少了后脉冲

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We report reduced afterpulsing for a high-performance InGaAs/InP single photon avalanche photodiode (SPAD) using a gated-mode passive quenching with active reset (gated-PQAR) circuit. Photon detection efficiency (PDE) and dark count probability (DCP) were measured at a gate repetition rate of 1 MHz. With a double-pulse measurement technique, the afterpulsing probability was measured for various hold-off times. At 230K, 0.3% afterpulsing probability for a 10 ns hold-off time was achieved with 13% PDE, 2×10~(-6) DCP and 0.4 ns effective gate width. For the same hold off time, 30% PDE and 1×10~(-5) DCP was achieved with 6% afterpulsing probability for an effective gate width of 0.7 ns.
机译:我们报告了采用带主动复位(门控PQAR)电路的门控模式无源淬灭技术,可降低高性能InGaAs / InP单光子雪崩光电二极管(SPAD)的后脉冲。在1 MHz的门重复频率下测量了光子检测效率(PDE)和暗计数概率(DCP)。使用双脉冲测量技术,可以测量各种延迟时间的后脉冲概率。在230K下,采用10%的PDE,2×10〜(-6)DCP和0.4 ns的有效栅极宽度,在10 ns的保持时间内获得了0.3%的后脉冲概率。对于相同的释抑时间,有效栅极宽度为0.7 ns,实现了30%的PDE和1×10〜(-5)DCP,具有6%的后脉冲概率。

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