1. Department of Communication EngineeringUniversiti Teknologi Malaysia81310SkudaiJohorMalaysia
2. Optiwave Systems Inc.7 Capella CourtOttawaOntarioK2E 7X1Canada
3. Department of PhysicsInternational Islamic University Malaysia25710KuantanPahangMalaysia
4. Wireless and Photonic Networks Research CentreFaculty of EngineeringUniversiti Putra Malaysia43400 UPM SerdangSelangorMalaysia