Simulation of Superconducting Nanowire Single-Photon Detector with Circuit Modeling

Single photon detectors have been fabricated NbN nano wire. These detectors are fabricated from high quality, ultra high vacuum sputtered NbN thin films on a sapphire substrate. In this work a typical schematic of the nanowire Single Photon Detector structure and then driving and measurement electronic circuit are shown. The response of superconducting nanowire single photon detectors during a photo detection event, is modeled by a special electrical circuits (two circuit). Finally, current through the wire is calculated by solving equations of models.

Authors:

• Seyed Ali Sedigh Zyabari
• A. Zarifkar

Keywords:

• NbN
• nanowire meander
• superconducting single photon detector
• kinetic inductance.

References:

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