Transmission estimation at the quantum Cramér-Rao bound with macroscopic quantum light Timothy S. Woodworth, Carla Hermann-Avigliano, Kam Wai Clifford Chan and Alberto M. Marino EPJ Quantum Technol., 9 1 (2022) 38 Published online: 22 December 2022 DOI: 10.1140/epjqt/s40507-022-00154-x