Single-photon-subtracted squeezed vacuum state-based postselected von Neumann measurement Janarbek Yuanbek, Akbar Islam, Ahmad Abliz and Yusuf Turek Eur. Phys. J. Plus, 139 11 (2024) 1048 Published online: 30 November 2024 DOI: 10.1140/epjp/s13360-024-05850-4