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Validity of Einstein Coefficient Derivations
Consider a two-level energy gap with electronic energy states $E_1$ & $E_2$ and associated population densities $n_1$ and $n_2$ with $E_2>E_1$.
In the derivation of the Einstein coefficients ...
3
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The most price-efficient experimental setup involving SPDC, single-photon counting etc
I would like a suggestion on a price-efficient way of experimenting with spontaneous down-conversion and single-photon counting. The simple dual-slit experiment could be one part of an application ...