Electro thermal simulation of superconducting nanowire avalanche photodetectors
arXiv:1012.3964 · doi:10.1063/1.3560458
Abstract
We developed an electro thermal model of NbN superconducting nanowire avalanche photodetectors (SNAPs) on sapphire substrates. SNAPs are single photon detectors consisting of the parallel connection of N superconducting nanowires. We extrapolated the physical constants of the model from experimental data and we simulated the time evolution of the device resistance, temperature and current by solving two coupled electrical and thermal differential equations describing the nanowires. The predictions of the model were in good quantitative agreement with the experimental results.
References in corpus (1)
Cited by in corpus (12)
- Superconducting nanowire single-photon detectors: physics and applications
- Single-photon detectors based on ultra-narrow superconducting nanowires
- Numerical analysis of detection-mechanism models of SNSPD
- Thermal hopping and retrapping of a Brownian particle in the tilted periodic potential of a NbN/MgO/NbN Josephson junction
- Afterpulsing and Instability in Superconducting Nanowire Avalanche Photodetectors
- Optimised quantum hacking of superconducting nanowire single-photon detectors
- Timing performance of 30-nm-wide superconducting nanowire avalanche photodetectors
- Quantum crossover in moderately damped epitaxial NbN/MgO/NbN junctions with low critical current density
- Nano-optical observation of cascade switching in a parallel superconducting nanowire single photon detector
- Thermal relaxation in metal films limited by diffuson lattice excitations of amorphous substrates
- Differences in the effects of turns and constrictions on the resistive response in current-biased superconducting wire after single photon absorption
- Universal bottleneck for thermal relaxation in disordered metallic films