Welcome to the Quantum News Daily Brief. Story 1: Multi-parameter two-photon polarimetry at the quantum limit. --> Quantum Physics arXiv:2606.27428 (quant-ph) [Submitted on 25 Jun 2026] Title:Multi-parameter two-photon polarimetry at the quantum limit Authors:Joseph Niblo, Luca Maggio, Russell M. J. Brooks, Joseph Ho, Vincenzo Tamma, Alessandro Fedrizzi View a PDF of the paper titled Multi-parameter two-photon polarimetry at the quantum limit, by Joseph Niblo and 5 other authors View PDF HTML (e