Maximizing photon-number resolution from an SNSPD
Niklas Lamberty, Timon Schapeler, Thomas Hummel, Fabian Schlue, Michael Stefszky, Benjamin Brecht, Christine Silberhorn, Tim J. Bartley · 2024
We present a principal component analysis of the electrical output of a commercial SNSPD, finding a photon-number resolution up to four photons. Further we identify features of interest when determining photon number.