1. School of Electrical and Electronic Engineering Nanyang Technological University 639798 Singapore Singapore
2. State Key Laboratory of Modern Optical Instrumentation Centre for Optical and Electromagnetics Research JORCEP (Sino-Swedish Joint Research Center of Photonics) Zhejiang University Hangzhou 310058 P. R. China
3. CINTRA CNRS/NTU/THALES, UMI 3288 Research Techno Plaza 50 Nanyang Drive Border X Block 637553 Singapore Singapore
4. Department of Chemistry National Taiwan University Taipei City Taiwan 10617
5. School of Biomedical Engineering The University of Sydney Sydney New South Wales 2006 Australia
6. The University of Sydney Nano Institute The University of Sydney Sydney New South Wales 2006 Australia
7. The Biophotonics and MechanoBioengineering Lab The University of Sydney Sydney New South Wales 2006 Australia