Education
PhD (Electronic Engineering) – Queen Mary University of London, UK
MSc (Communication Engineering) – University of Birmingham, UK
BSc (Information Engineering) – Beijing University of Posts and Telecommunications (BUPT), China
Academic Services and Membership:
- Chair of the IEEE Thailand Section Joint MTT/APS Chapter
- Managing Editor of Engineering Journal (http://engj.org/)
- Advisor of the SPIE Student Chapter in Chulalongkorn University
- Senior Member of the Institute of Electrical and Electronics Engineers (IEEE)
- Member of the Optical Society of America (OSA)
- Founding Member of the innovative Electromagnetic Academic of Thailand (iEMAT)
Research Interests:
Antennas, metamaterials, computational electromagnetics, finite-difference time-domain (FDTD) method, indoor localisation
Invited Talks:
- Directivity enhancement using hyperbolic metasurfaces
- Introduction to the finite-difference time-domain (FDTD) method
- Controlling the resonances of indefinite materials for maximizing efficiency in wireless power transfer
- Analysis of image magnification by hyperlens structures using a spatially dispersive FDTD method in cylindrical coordinates
Research Projects:
- Microwave applications of hyperbolic metasurfaces (The Thailand Research Fund), Jun. 2016 – May 2019
- Design of a wireless charging system for laptop computers (Chulalongkorn University), Nov. 2015 – Oct. 2016
- Design of compact metamaterial for enhancing antenna performance (Chulalongkorn University), Nov. 2014 – Oct. 2015
- Design of metamaterial-based RF energy harvesting system (Chulalongkorn University), Jul. 2014 – Jun. 2015
- A PC-to-PC data transfer system using optical wireless communication (Asahi Glass Foundation), Aug. 2013 – Feb. 2015
- Design of a compact MIMO antenna for LTE systems (Mobicrat), Dec. 2013 – Feb. 2014.
- Development of an indoor localisation system using optical wireless communication technology (Chulalongkorn University), Aug. 2013 – Aug. 2014
- Investigation and design of metamaterial enhanced wireless energy transfer and harvesting systems (The Thailand Research Fund), Jul. 2012 – Jul. 2014
- A campus geographic information system based on RFID technology (Faculty of Engineering, Chulalongkorn University), Dec. 2011 – Dec. 2012
Publications
Book Chapters
- Y. Zhao, “Modeling of optical metamaterials using the FDTD method”, Chapter 3 in Computational Nanotechnology Using Finite Difference Time Domain, CRC Press, 2014.
- C. Argyropoulos, Y. Zhao, E. Kallos and Y. Hao, “Finite-difference time-domain modelling of electromagnetic cloaks”, Chapter 7 in Metamaterials, Springer Science+Business Media, LLC, 2010.
- Y. Zhao, P. Belov, and Y. Hao, “Accurate FDTD modelling of a perfect lens,” Chapter 8, “Spatially dispersive FDTD modelling of wire medium,” Chapter 9 in FDTD Modelling of Metamaterials: Theory and Applications, Artech House, Incorporated Pub., 2008.
- Y. Hao, A. Alomainy, and Y. Zhao, “Antenna Design & Propagation Measurements and Modelling for UWB Wireless BAN,” Chapter 16 in Ultra Wideband: Antennas and Propagation for Communi¬cations, Radar and Imaging, Wiley & Sons, 2006.
Journal Articles
- Y. Zhao, “Design of high-gain, wideband antenna using microwave hyperbolic metasurface,” AIP Advances, vol. 6, no. 5, p. 055022, 2016.
- M. Saadi, Y. Zhao, O. Naseer, and L. Wuttisittikulkij, “A beam scanning-based indoor localization system using light emitting diodes, "Engineering Journal, vol. 20, no. 3, pp. 197-206, 2016.
- Y. Zhao, “A dual-wideband microstrip antenna for LTE indoor base stations,” Electronics Letters, vol. 52, no. 8, pp. 576-578, 2016.
- M. Saadi, Y. Zhao, L. Wuttisttikulkij, and M. T. A. Khan, “A heuristic approach to indoor localization using light emitting diodes,” Journal of Theoretical and Applied Information Technology, vol. 84, no. 3, pp. 332-338, 2016.
- E. Khansalee, K. Nuanyai, and Y. Zhao, “A dual-band rectifier for RF energy harvesting,” Engineering Journal, vol. 19, no. 5, pp. 189-197, 2015.
- Y. Zhao, “Nondiffracting beam emission from hyperbolic metasurfaces,” Journal of Optics, vol. 17, no. 4, p. 045103, 2015.
- N. Wittayasooporn, A. Panichevaluk, and Y. Zhao, “PicoGrid: A web-based distributed computing framework for heterogeneous networks using Java,” Engineering Journal, vol. 19, no. 1, pp. 153-165, 2015.
- M, Saadi, A. Bajpai, Y. Zhao, P. Sangwongngam, and L. Wuttisittikulkij, “Design and implementation of secure and reliable communication using optical wireless communication,” Frequenz, vol. 48, pp. 501-509, 2014.
- Y. Zhao, “Evanescent wave amplification and subwavelength imaging by ultrathin uniaxial μ-near-zero material,” AIP Advances, vol. 4, p. 027115, 2014.
- Y. Zhao, and E. Leelarasmee, “Controlling the resonances of indefinite materials for maximizing efficiency in wireless power transfer,” Microwave and Optical Technology Letters, vol. 56, no. 4, pp. 867-875, 2014.
- Y. Zhao, and J. Vongkulbhisal, “Design of visible light communication receiver for on-off keying modulation by adaptive minimum-voltage cancelation,” Engineering Journal, vol. 17, pp. 125-129, 2013.
- M. Saadi, L. Wuttisittikulkij, Y. Zhao, and P. Sangwongngam, “Visible light communication: Opportunities, challenges and channel models,” International Journal of Electronics and Informatics, vol. 2, pp. 1-11, 2013.
- J. Vongkulbhisal, and Y. Zhao, “R-LABS: An RFID-based indoor localisation system using antenna beam scanning,” Journal of Ambient Intelligence and Smart Environments, vol. 7, pp. 251-266, 2013.
- J. Vongkulbhisal, B. Chantaramolee, Y. Zhao, and W. S. Mohammed, “A fingerprinting-based indoor localization system using intensity modulation of light emitting diodes,” Microwave and Optical Technology Letters, vol. 54, no. 5, pp. 1218-1227, 2012.
- Y. Zhao, “Investigation of image magnification property of hyperlens formed by a tapered array of metallic wires using a spatially dispersive finite-difference time-domain method in cylindrical coordinates,” Journal of Optics, vol. 14, no. 3, pp. 035102, 2012.
- Y. Zhao, and Y. Hao, “A subject specificity analysis of radio channels in wireless body area networks,” Engineering Journal, vol. 15, no. 3, pp. 39-48, 2011.
- P. A. Belov, G. Palikaras, Y. Zhao, A. Rahman, C. R. Simovski, Y. Hao, and C. G. Parini, “Experimental demonstration of multi-wire endoscopes capable of manipulating near-fields with subwavelength resolution,” Applied Physics Letters, vol. 97, pp. 191905, 2010.
- Y. Zhao, G. Palikaras, P. A. Belov, R. F. Dubrovka, C. R. Simovski, Y. Hao, and C. G. Parini, “Magnification of subwavelength field distributions using a tapered array of metallic wires with planar interfaces and an embedded dielectric phase compensator,” New Journal of Physics, vol. 12, pp. 103045, 2010.
- Y. Zhao, and Y. Hao, “Full-wave parallel dispersive finite-difference time-domain modeling of three-dimensional electromagnetic cloaking structures,” Journal of Computational Physics, vol. 228, pp. 7300-7312, 2009.
- C. Argyropoulos, E. Kallos, Y. Zhao, and Y. Hao, “Manipulating the loss in electromagnetic cloaks for perfect wave absorption,” Optics Express, vol. 17, pp. 8467-8475, 2009.
- Y. Zhao, P. A. Belov, and Y. Hao, “Subwavelength internal imaging by means of the wire medium,” Journal of Optics A: Pure and Applied Optics, vol. 11, pp. 075101, 2009.
- C. Argyropoulos, Y. Zhao, and Y. Hao, “A radial-dependent dispersive finite-difference time-domain method for the evaluation of electromagnetic cloaks,” IEEE Transactions on Antennas and Propagation, vol. 57, pp. 1432-1441, 2009.
- A. Sani, Y. Zhao, and Y. Hao, “An efficient FDTD algorithm based on the equivalence principle for analyzing onbody antenna performance,” IEEE Transactions on Antennas and Propagation, vol. 57, pp. 1006-1014, 2009.
- P. A. Belov, Y. Zhao, Yang Hao, and Clive Parini, “Enhancement of evanescent waves inside media with extreme optical anisotropy,” Optics Letters, vol. 34, no. 5, 2009.
- P. A. Belov, Y. Zhao, S. Tse, P. Ikonen, M. G. Silveirinha, C. R. Simovski, S. Tretyakov, Yang Hao, and C. Parini, “Transmission of images with subwavelength resolution to distances of several wavelengths in the microwave range,” Physical Review B, vol. 77, pp. 193108, 2008.
- Y. Zhao, C. Argyropoulos, and Y. Hao, “Full-wave finite-difference time-domain simulation of electromagnetic cloaking structures,” Optics Express, vol. 16, pp. 6717-6730, 2008.
- Y. Zhao, and Y. Hao, “Finite-difference time-domain study of guided modes in nano-plasmonic waveguides,” IEEE Transactions on Antennas and Propagation, vol. 55, pp. 3070-3077, 2007.
- Y. Zhao, P. A. Belov, and Y. Hao, “Accurate modelling of left-handed metamaterials using finite-difference time-domain method with spatial averaging at the boundaries,” Journal of Optics A: Pure and Applied Optics, vol. 9, pp. 468-475, 2007.
- Y. Zhao, P. A. Belov, and Y. Hao, “Accurate modelling of the optical properties of left-handed media using a finite-difference time-domain method,” Physical Review E, vol. 75, pp. 037602, 2007.
- Y. Zhao, Y. Hao, and C. G. Parini, “FDTD characterisation of UWB indoor radio channel including frequency dependent antenna directivities,” IEEE Antennas and Wireless Propagation Letters, vol. 6, pp. 191-194, 2007.
- Y. Zhao, P. A. Belov, and Y. Hao, “Modelling of wave propagation in wire media using spatially dispersive finite-difference time-domain method: numerical aspects,” IEEE Transactions on Antennas and Propagation, vol. 55, pp. 1506-1513, 2007.
- P. A. Belov, Y. Zhao, S. Sudhakaran, A. Alomainy, and Y. Hao, “Experimental study of the sub-wavelength imaging by a wire medium slab,” Applied Physics Letters, vol. 89, pp. 262109, 2006.
- Y. Zhao, P. A. Belov, and Y. Hao, “Spatially dispersive finite-difference time-domain analysis of subwavelength imaging by the wire medium slabs,” Optics Express, vol. 14, pp. 5154-5167, 2006.
- Y. Zhao, Y. Hao, A. Alomainy and C. G. Parini, “UWB on-body radio channel modelling using ray theory and subband FDTD method,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, pp. 1827-1835, 2006.
- Y. Zhao, Y. Hao and C. G. Parini, “Radiation properties of PIFA on electromagnetic bandgap substrates,” Microwave and Optical Technology Letters, vol. 44, pp. 21-24, 2005.