Weiti/32/Zp/2025/1035 Delivery Of Specialized Software For Modeling, Design And Simulation Of Planar Photonic Structures For The Needs Of The Project "Integrated Photonics Systems For Optical Communication Systems In Free Space (Fsoc)" Project No. Feng.01.01-Ip.01- A0Mr/24 For The Institute Information Technician Of The Warsaw University Of Technology.