André Gomes completed his master degree in Engineering Physics at the Faculty of Sciences of the University of Porto, Porto, Portugal. He is currently a PhD student in physics, also at the University of Porto. From March to July 2016, he was with the Leibniz Institute of Photonic Technology, in Jena, Germany, with a DAAD scholarship. At the moment, he is with the Center of Applied Photonics at INESC TEC. His research interests include optical fiber sensing, micro and nanofibers, Focused Ion Beam technology and microfiber knot resonators.