1. Department of Materials Science and Engineering & Centre for Functional Photonics (CFP)City University of Hong Kong 83 Tat Chee Avenue Kowloon Hong Kong S.A.R.
2. State Key Laboratory of Advanced Displays and Optoelectronics TechnologiesDepartment of Electronic and Computer EngineeringHong Kong University of Science and Technology Clear Water Bay Kowloon Hong Kong S.A.R.