Ignacio Moreno imparted a course on optical modulators at Universidad de La Frontera – UFRO, in Temuco (Chile). This course is part of the activities of the VII Post-Graduate Summer School at this universityand was developed between January 13th and January 17th. This course is also part of the existing relation between UMH and UFRO, which already includes an agreement for collaboration between the two universities. The picture shows Prof. Moreno in the Advanced Optics & Photonics Laboratory of UFRO, together with Prof. Asticio Vargas, Director of the Physical Sciences Departament of UFRO, and also specialist researcher in optical modulation techniques.