Abstract
In this paper, we treat the incident photons as an electromagnetic plane wave and simulate the wave power coupling to the the hot-electron superconducting single-photon detector to investigate its connection with the experimental system quantum efficiency over different wavelengths. Then we propose a lumped equivalent circuit model based on the kinetic inductance variation induced by the incident photon stream when the serpentine superconducting thin-film nano-wire is dc-biased close to its critical current. The computed output voltage matches experimental results for both amplitude and frequency.
| Original language | English |
|---|---|
| Pages (from-to) | 3789-3794 |
| Number of pages | 6 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 17 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - Sept 2007 |
Keywords
- Circuit simulation
- Electromagnetic (EM) propagation
- Photonics
- Quantum optics
- Superconducting devices
- Superconducting optoelectronics
- Superconducting radiation detectors
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