Probabilistic approximate optimization using single-photon avalanche diode arrays. - Ziyad Alsawidan; Abdelrahman S. Abdelrahman; Md. Sakibur Sajal; Shuvro Chowdhury; Kai-Chun Lin; Hunter Guthrie; Sanjay Seshan; Shawn Blanton; Flaviano Morone; Marc Dandin; Kerem Yunus Çamsari; Tathagata Srimani (CoRR, 2026)