A frequency- and time-resolved simulation of entanglement-based QKD that includes multi-pair events and detector imperfections reproduces measured key rates and quantum bit error rates on two SPDC-based systems.
This is most conveniently real- ized by utilizing highly entangled states generated by a type-0/I process with a sufficiently large aspect ratio of the JSA
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Frequency-Resolved Simulations of Highly Entangled Biphoton States: Beyond the Single-Pair Approximation. II. Application to Entanglement-based Quantum Key Distribution
A frequency- and time-resolved simulation of entanglement-based QKD that includes multi-pair events and detector imperfections reproduces measured key rates and quantum bit error rates on two SPDC-based systems.