Simulation techniques are very important in guiding the design and verifying performance when implementing new ideas. A solid theoretical foundation and excellent analytical skills are essential. InterLitho team has expertise in many different disciplines. We provide simulation solutions based on customers' requirements on optics, nanophotonics, plasmonics, metasurface and DOEs using commercial and our proprietary simulation packages such as Finite-Difference Time-Domain (FDTD) , Rigorous Coupled-Wave Analysis (RCWA) etc.