PPKTP CRYSTAL THINGS TO KNOW BEFORE YOU BUY

We now have bought SPDC810 and hoped to employ polarization-entangled photons initially. But It appears this device doesn't have polarization-entangled photons. I'm wondering if you may update/modify our SPDC810 to make it emit entangled photons.Is it doable to ask for a small tuning of the center wavelength with the source. Exclusively, could or n