To create our three entangled photons using C-SPDC (see Fig. 1), first a narrowband pump laser at 404 nm is used to produce a pair of non-degenerate SPDC photons at 776 and 842 nm.
To create our three entangled photons using C-SPDC (see Fig. 1), first a narrowband pump laser at 404 nm is used to produce a pair of non-degenerate SPDC photons at 776 and 842 nm.