Download Optiware OptiSystem 21.1 What is new Optiware OptiSystem 21.1 Optiwave OptiSystem 21.1 introduced autocorrelation and cross‑correlation visualization, expanded multi‑domain unit conversion, nine new component models, and a robust library of examples. It accelerates optical system design for quantum key distribution (QKD), 5G, microwave photonics, LiDAR, sensors, and free‑space optical communications. Key New Features in