Author Affiliations

Boris T. Kuhlmey,^a Feng Luan,^a Jose M. Lazaro,^a,b Libin Fu,^a Benjamin J. Eggleton,^a Dong-Il Yeom,^c Stephane Coen,^d Aimin Wang,^e and Jonathan C. Knight^e

^aCentre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS) and School of Physics, University of Sydney, New South Wales 2006, Australia

^bGrupo de Ingeniería Fotónica, Dpto. TEISA, Universidad de Cantabria, Avda. Castros S/N, 39005 Santander, Spain

^cDepartment of physics, Ajou University, Suwon, 443-749, Korea

^dDepartment of Physics, University of Auckland, Auckland, New Zealand

^eCentre for Photonic and Photonics Material, Department of Physics, University of Bath, Bath BA2 7AY, U.K.