which software application by Synopsys has a feature/module called RSOFT_FEMSIM? What is RSOFT_FEMSIM

The software application by Synopsys that includes a feature/module called RSOFT_FEMSIM is **Optical Solutions**, specifically the **RSoft Design Suite**. **RSOFT_FEMSIM** is a module within the RSoft Design Suite that focuses on Finite Element Method (FEM) simulations for optical devices. It provides tools for designing and modeling photonic devices using FEM, enabling users to analyze and predict the behavior of light in various structures. This is particularly useful for applications in integrated optics, waveguides, lasers, and other photonic components, allowing for accurate simulation of electromagnetic fields and guiding properties. RSOFT_FEMSIM helps engineers and researchers optimize the performance of their optical designs by evaluating how different materials and geometries affect light propagation and interaction within photonic systems.