Contact Information
  Phone (853)8822-4124
  Fax (853)8822-2454
  E-mail billyng
  Curriculum Vitae



Ph.D.Electrical Engineering and Computer Sciences, University of California, Berkeley, USA, 2013
M.Phil.Electrical and Electronic Engineering, Hong Kong University of Science and Technology, Hong Kong , 2007
B.S.Electrical and Electronic Engineering, Hong Kong University of Science and Technology, Hong Kong , 2004


2016 – presentAssistant Professor, Institute of Applied Physics and Materials Engineering, University of Macau
2014 – 2015Principal Engineer, Taiwan Semiconductor Manufacturing Company, Taiwan.


Research Interests

    • Monolithic Integration of optoelectronics (e.g. Laser, detectors) with Silicon based technology
    • Exploration of novel materials synthesized with low-cost solution-based processes for high-efficiency optoelectronic applications
    • Advanced materials characterization with electron microscopy

   Research Group


   Ph.D. Courses

  • APME 8022    Transmission Electron Microscopy
  • APME 8003    Advanced Instruments for Materials Characterization

   Undergraduate Courses

  • GEST 1017     Mysteries of the Universe
  • GEST 1015     Physics and Modern Society


  Representative Publications
  1. Han, Z. Yan, W. K. Ng, Y. Xue, K. W. Ng, K. S. Wong, K. M. Lau “III–V micro- and nano-lasers deposited on amorphous SiO2” Applied Physics Letters 116 (17), 172102 (2020).
  2. J. Y. Dong, W. Y. Ji, S. P. Wang, Q. L. Yuan, Y. C. Kong, S. C. Su, K. W. Ng, Z. K. Tang “Solvent Effects on the Interface and Film Integrity of Solution-Processed ZnO Electron Transfer Layers for Quantum Dot Light Emitting Diodes” ACS Applied Electronic Materials 2 (4), 1074-1080 (2020).
  3. Y. Y. Zhao, S. N. Qu, X. Y. Feng, J. C. Xu, Y. Yang, S. C. Su, S. P. Wang, K. W. Ng “Tailoring the Photoluminescence Excitation Dependence of the Carbon Dots via an Alkali Treatment” The journal of physical chemistry letters 10 (16), 4596-4602 (2019).
  4. Han, Q. Li, K. W. Ng, S. Zhu, K. M. Lau “InGaAs/InP quantum wires grown on silicon with adjustable emission wavelength at telecom bands” Nanotechnology 29 (22), 225601 (2018).
  5. Lu, I. Bhattacharya, H. Sun, T. T. D. Tran, K. W. Ng, G. Silveira, C. J. Chang-Hasnain “Nanopillar quantum well lasers directly grown on silicon and emitting at silicon-transparent wavelengths” Optica 4 (7), 717-723 (2017).
  6. K Li*, K. W. Ng*, T. T. D. Tran, H. Sun, F. Lu, C. J. Chang-Hasnain “Wurtzite-phased InP micropillars grown on silicon with low surface recombination velocity,” Nano Letters 15 (11), 7189-7198 (2015) (Authors with * are co-first authors).
  7. Q. Li, K. W. Ng, K. M. Lau “Growing antiphase-domain-free GaAs thin films out of highly ordered planar nanowire arrays on exact (001) silicon,” Appl. Phys. Lett. 106 (7), 072105 (2015).
  8. Chen, T. T. D. Tran, K. W. Ng, W. S. Ko, L. C. Chuang, F. G. Sedgwick, C Chang-Hasnain, “Nanolasers grown on silicon” Nature Photonics 5 (3), 170-175 (2011).


  Awards & Honors
2018IAPME Academic Awards – Excellence in Service 2017/2018 
2013UC Berkeley Outstanding Graduate Student Instructor Award
2012Best Poster Award (Honorable Mention), International Nano-Optoelectronic Workshop (iNOW), Berkeley & Palo Alto, 2012
2010Best Poster Award (3rd place), International Nano-Optoelectronic Workshop (iNOW), Beijing & ChangChun
 2005Sumida and Ichiro Yawata Foundation Scholarship


  Professional Activities