T. Leng (School of Electrical and Electronic Engineering, University of Manchester, M13 9PL, United Kingdom, United Kingdom)
X. Huang (School of Electrical and Electronic Engineering, University of Manchester, M13 9PL, United Kingdom, United Kingdom)
K.H. Chang (BGT Materials Limited, Photon Science Institute, University of Manchester, M13 9PL, United Kingdom, United Kingdom)
J.C. Chen (BGT Materials Limited, Photon Science Institute, University of Manchester, M13 9PL, United Kingdom, United Kingdom)
X. Zhang (School of Electrical and Electronic Engineering, University of Manchester, M13 9PL, United Kingdom, United Kingdom)
Zhirun Hu (School of Electrical and Electronic Engineering, University of Manchester, M13 9PL, United Kingdom, United Kingdom)