Guilherme P. Temporão was born in Rio de Janeiro, Brazil, in1980. He received the Ph.D. degree in electrical engineering from the Pontifical Catholic University, Rio de Janeiro (PUC-Rio), Brazil, in 2007. From 2004 to 2006, he worked on nonlinear optics and single-photon detectors with the Group of Applied Physics, University of Geneva, Switzerland. Since 2008, he has been an Assistant Professor at PUC-Rio and a Member of the Optoelectronics and Instrumentation Group. His current areas of interest include polarization-encoded quantum communication, optical fiber metrology, and reflectometry techniques.