The NUSOD 2026 (Conference on Numerical Simulation of Optoelectronic Devices) will take place from July 19 to 24, 2026, at University College Cork in Cork, Ireland. The international conference brings together researchers, engineers, software developers, and industry professionals working in the fields of optoelectronics, photonics, and semiconductor device modeling. Attendees will have the opportunity to explore the latest advances in numerical simulation techniques, photonic device modeling, semiconductor lasers, LEDs, optical modulators, photodetectors, integrated photonics, and quantum photonics through technical presentations, discussions, and networking sessions.