1. Centre for Energy; Materials and Telecommunications; Institut National de la Recherche Scientifique; 1650 Boul. Lionel-Boulet Varennes QC J3X 1S2 Canada
2. Department of Electrical and Computer Engineering; McGill University; 3480 Univ. Str. W Montreal QC H3A 0E9 Canada
3. CNR INO SENSOR Lab; Via Branze 45 25123 Brescia Italy
4. Department of Engineering Sciences and Mathematics; Luleå University of Technology; 971 98 Luleå Sweden
5. CSACS; McGill University; 801 Sherbrooke Str. W. Montreal QC H3A 0B8 Canada