{"paper":{"title":"A quantum-enhanced wide-field phase imager","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"(2) Micro Photon Device SRL, (3) Dipartimento di Elettronica, (4) Fraunhofer Institute for Applied Optics, 5), (5) Abbe Center of Photonics, 6) ((1) ICFO-Institut de Ciencies Fotoniques, (6) ICREA-Instituci\\'o Catalana de Recerca i Estudis Avan\\c{c}ats), Alessandro Ruggeri (2), \\'Alvaro Cuevas (1), Ewelina Wajs (1), Fabian Steinlechner (4, Friedrich Schiller University Jena, Informazione e Bioingegneria, Iris Cusini (3), Luc Duempelmann (1), Politecnico di Milano, Precision Engineering IOF, Robin Camphausen (1), Roland A. Terborg (1), Simone Tisa (2), Valerio Pruneri (1","submitted_at":"2021-05-24T16:37:03Z","abstract_excerpt":"Quantum techniques can be used to enhance the signal-to-noise ratio in optical imaging. Leveraging the latest advances in single photon avalanche diode array cameras and multi-photon detection techniques, here we introduce a super-sensitive phase imager, which uses space-polarization hyper-entanglement to operate over a large field-of-view without the need of scanning operation. We show quantum-enhanced imaging of birefringent and non-birefringent phase samples over large areas, with sensitivity improvements over equivalent classical measurements carried out with equal number of photons. The p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.11394","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2105.11394/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}