Author Affiliations

Shi-Wei Chu,^1,* Yan-Wei Tzeng,^1,4 Chen-Han Huang,^1,2 Yen-Yin Lin,³ Jian-Ming Liu,¹ Hsiang-Chen Chui,² Hsiang-Lin Liu,⁴ James M. Stone,⁵ and Jonathan C. Knight⁵

¹Department of Physics, National Taiwan University, No. 1, Sec. 4, Roosevelt Rd, Taipei 10617, Taiwan ROC.

²Institute of Electro-Optical Science and Engineering, National Cheng Kung University, No.1, University Road, Tainan 701, Taiwan ROC

³Institute of Photonics Technologies, Department of Electrical Engineering, National Tsing-hua University, Hsinchu 30013, Taiwan ROC

⁴Department of Physics, National Taiwan Normal University, Taipei 116, Taiwan ROC

⁵Centre for Photonics and Photonic Materials, University of Bath, Bath, BA2 7AY, UK

^*Corresponding author: swchu@phys.ntu.edu.tw