Author Affiliations

Ju Won Choi,¹ Byoung-Uk Sohn,¹ Ezgi Sahin,¹ George F. R. Chen,¹ Peng Xing,¹ Doris K. T. Ng,² Benjamin J. Eggleton,^3,4 and Dawn T. H. Tan^1,2

¹Photonics Devices and System Group, Singapore University of Technology and Design, 8 Somapah Rd, Singapore 487372, Singapore

²Institute of Microelectronics, A*STAR, 2 Fusionopolis Way, #08-02, Innovis Tower, Singapore 138634, Singapore

³Institute of Photonics and Optical Science, School of Physics, The University of Sydney, Sydney, New South Wales 2006, Australia

⁴The University of Sydney Nano Institute (Sydney Nano), The University of Sydney, Sydney, New South Wales 2006, Australia