Oleg I. Kotov received candidate and doctor of physic-mathematical science degrees in 1976 and 1995, respectively, from St. Petersburg Polytechnic University, St. Petersburg, Russia. He is currently a Professor at St. Petersburg Polytechnic University, Russia. His research interests include fiber optics, single- and multimode fiber-optic interferometers, phase and polarization sensors, anisotropic optical fibers, gas and semiconductor lasers, optical signals receiving techniques.