AN UNBIASED VIEW OF PPKTP CRYSTAL

We've bought SPDC810 and hoped to work with polarization-entangled photons to start with. But It appears this device doesn't have polarization-entangled photons. I wonder if you might update/modify our SPDC810 to make it emit entangled photons.I hope this email finds you effectively. I am composing to inquire in regards to the configuration on the