%0 Journal Article %T Numerical modelling of the optical demultiplexer photonic structures %A Młynarczyk, Przemysław %A Dziatkiewicz, Grzegorz %J Technical Transactions %V 2015 %N Mechanics Issue 2-M (7) 2015 %P 175-183 %K photonic crystals, optical demultiplexer, numerical modelling %@ 0011-4561 %D 2016 %U https://ejournals.eu/en/journal/czasopismo-techniczne/article/numerical-modelling-of-the-optical-demultiplexer-photonic-structures %X Photonic structures and their application are one of the most intensively studied areas of modern optics. They are used in devices such as blue lasers, optical fibres or optical add-drop multiplexers. The paper describes the possibility of designing the photonic structure of the optical demultiplexer using the application written by the authors.