Muhammad Ali Butt (b. 1985) received his PhD degree in Material Sciences from Universitat Rovira i Virgili, Spain in year 2015. In 2018, he worked at Nicolaus Copernicus University, Poland as a Research Assistant Professor. In 2013, he made a research stay at Optoelectronic research Centre (ORC), University of Southampton, England. Currently he works as a Senior Scientist at Samara National Research University, Russia. Research interests are optical waveguides, plasmonic sensors, diffractive optics, and optical filters. E-mail: ali.butt@pw.edu.pl.