Аннотация:PUC-Rio) in mid-2003, moving on to obtain the degree of Mestre in Engenharia Elétrica in 2005, in the field of modulation schemes for frequency encoded quantum key distribution.After starting his PhD, he went to KTH in Stockholm staying for one and a half years as an exchange PhD student.After return in the end of 2007, he carried on research in PUC-Rio to complete work for the PhD thesis.