| year | 2025 |
| author(s) | Roland Jaha, Connor A. Graham-Scott, Adrian S. Abazi, Wolfram Pernice, Carsten Schuck, Simone Ferrari . |
| title | Kinetic inductance and jitter dependence of intrinsic photon-number resolution in superconducting nanowire single-photon detectors |
| KIP-Nummer | HD-KIP 25-76 |
| KIP-Gruppe(n) | F31 |
| document type | Paper |
| source | https://opg.optica.org/oe/fulltext.cfm?uri=oe-33-20-41869 |
| doi | https://doi.org/10.1364/OE.564311 |
| Abstract (en) | Photon-number resolution (PNR) is crucial in quantum information technology. Time-resolved measurements applied to superconducting nanowire single-photon detectors (SNSPDs) have recently demonstrated intrinsic PNR capabilities, complementing their superior efficiency, speed, and timing precision. Using waveguide-integrated SNSPDs, we investigate the impact of nanowire kinetic inductance and system jitter on intrinsic PNR, identifying the trade-off between intrinsic PNR and detector speed. Increasing the kinetic inductance from 165 nH to 872 nH enhances the PNR quality by 12%, 31%, and 23% for the first three photon numbers but reduces the maximum count rate from 165 Mcps to 19 Mcps. |
