1. Vienna University of Technology, Institute of Electrodynamics, Microwave and Circuit Engineering, Gusshausstrasse 25/354, 1040 Vienna, AustriabAvago Technolgies Fiber Austria GmbH, Meldemannstrasse 18, 1200 Vienna, Austria
2. Vienna University of Technology, Institute of Electrodynamics, Microwave and Circuit Engineering, Gusshausstrasse 25/354, 1040 Vienna, Austria
3. Infineon Technologies AG, Am Campeon 1-12, 85579 Neubiberg, Germany