Design and Simulation of Broadband SiN Waveguide-Integrated GeSn Single-Photon Avalanche Detectors at Very-Near-Infrared to Telecommunication Wavelengths. - Jaturaphagorn, Pawaphat; Chattham, Nattaporn; Pattanaporkratana, Apichart; Chaisakul, Papichaya (Sensors (14248220), 2026)