QKD protocol over 100 km long submarine optical fiber assisted by a system-in-package fast-gated InGaAs single photon detector. - Domenico Ribezzo; Mujtaba Zahidy; Antoine Petitjean; Gianmarco Lemmi; Claudia De Lazzari; Ilaria Vagniluca; Enrico Conca; Alberto Tosi; Tommaso Occhipinti; Francesco Saverio Cataliotti; Leif K. Oxenløwe; André Xuereb; et al. (OFC, 2023)