LightSolver is developing a novel computing paradigm with its Laser Processing Unit (LPU), which harnesses light for computation and memory to accelerate complex HPC workloads. This physics-based computing solution offers ultra-fast performance and energy efficiency, overcoming the memory-bandwidth bottlenecks of digital computing. LightSolver serves a variety of HPC applications, including engineering and scientific modeling, combinatorial optimization, and eigenvalue problems, with an end-to-end solution accessible via a Python-based cloud API.