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World Record in TCSPC Time Resolution: Combination of bh SPC-150NX with SCONTEL NbN Detector yields 17.8 ps FWHM

We present an ultrafast TCSPC setup consisting of a bh SPC-150NX TCSPC module and a SCONTEL superconducting NbN detector (SSPD). The combination delivers an instrument response function (IRF) with a full width at half maximum of 17.8 ps. The RMS value of the overall single-photon timing jitter is about 7.9 ps.

Keywords: TCSPC, Superconducting Detector, SSPD, IRF

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