Generation of down-converted photons in a "perfect" annular ring insensitive to the change in phase-matching

Singh, SandeepSandeepSinghKumar, VimleshVimleshKumarGhosh, AnirbanAnirbanGhoshSamanta, G. K.G. K.Samanta2025-08-262025-08-262022-10-172-s2.0-85146713482https://repository.iitgn.ac.in/handle/IITG2025/19057We report a generic method for transforming the non-collinear down-converted photons in a “perfect” annular ring spatial distribution insensitive to the change in phase matching conditions as required for the stable single photon and entangled photon sources.en-USGeneration of down-converted photons in a "perfect" annular ring insensitive to the change in phase-matchingPoster Presented123456789/616