Author Affiliations

Adnan Ali Afridi,^1,† Haizhong Weng,^1,† Jia Liu,² Jing Li,¹ Robert McKenna,¹ Michael McDermott,¹ Qiaoyin Lu,² Weihua Guo,² and John F. Donegan¹

¹School of Physics, CRANN and AMBER, Trinity College Dublin, Dublin 2, Ireland

²Wuhan National Laboratory for Optoelectronics, and School of Optical and Electronic Information, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China

^†These authors contributed equally to this work and should be considered co-first authors.