https://www.nist.gov/publications/polarization-entangled-photons-domain-engineered-periodically-poled-linbo3
Polarization-entangled photons from domain-engineered, periodically poled LiNbO3 | NIST
May 7, 2026 - Using a domain-engineered, periodically poled LiNbO3 grating, we investigate polarization-entangled photon-pair generation near 1550 nm wavelength using type-II
periodically poledpolarizationentangledphotonsdomain