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Superconducting Qubits
Coincidence detection for photon triplet sources
arXiv
Authors: Zijun Chen, Yeshaiahu Fainman
Year
2024
Paper ID
65413
Status
Preprint
Abstract Read
~2 min
Abstract Words
87
Citations
N/A
Abstract
Photon triplet generation based on third-order spontaneous parametric down-conversion remains as an experimental challenge. The challenge stems from the trade-offs between source brightness and instrument noise. This work presents a probability theory of coincidence detection to address the detection limit in source characterization. We use Bayes' theorem to model instruments as a noisy communication channel and apply statistical inference to identify the minimum detectable coincidence rate. A triplet generation rate of 1-100 Hz is required for source characterization performed over 1-72 hours using superconducting nanowire single-photon detectors.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
- It adds a 2024 reference point for readers tracking recent quantum research.
- Photon triplet generation based on third-order spontaneous parametric down-conversion remains as an experimental challenge.
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