Journal
PHYSICAL REVIEW A
Volume 79, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.79.035801
Keywords
light coherence; light sources; quantum optics
Categories
Funding
- NSERC
- CFI
- ORF-RI
- ORDCF
- QuantumWorks
- CIPI
- MRI
- CIFAR
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Single-photon sources (SPSs) are mainly characterized by the minimum value of their second-order coherence function, viz. their g((2)) function. A precise measurement of g((2)) may, however, require high time-resolution devices, in whose absence, only time-averaged measurements are accessible. These time-averaged measures, standing alone, do not carry sufficient information for proper characterization of SPSs. Here, we develop a theory, corroborated by an experiment, which allows us to scrutinize the coherence properties of heralded SPSs that rely on continuous-wave parametric down conversion. Our proposed measures and analysis enable proper standardization of such SPSs.
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