Author Affiliations

Peng Xing,¹ George F. R. Chen,¹ Hongwei Gao,¹ Xavier Chia,¹ Anuradha M. Agarwal,^3,4 Lionel C. Kimerling,^4,5 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

³Microphotonics Center, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

⁴Materials Research Laboratory, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

⁵Department of Materials Science and Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, USA

^*Corresponding author: dawn_tan@sutd.edu.sg