PPKTP Crystal Options
We've acquired SPDC810 and hoped to work with polarization-entangled photons at first. 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.I hope this e-mail finds you very well. I'm crafting to inquire with regard to the configuration of the SP