Research Interests/Areas Active plasmonics, plasmonic metamaterials, chiral plasmonics, super-resolution imaging. Liquid crystal photonics Tunable photonic crystals, lasers, random lasers, microlenses, sensors, etc. Specialised Expertise Micro/Nano photonic devices design and fabrication Liquid crystal devices design and fabrication Laser interference/holographic lithography Projects Chiral plasmonic biosensor DNA-Programmable Nanoplasmonics Working Experience Apr 2014–Present Research Scientist II, Institute of Materials Research and Engineering, A*STAR Apr 2011–Apr 2014 Research Scientist I, Institute of Materials Research and Engineering, A*STAR Aug 2010 - Mar 2011 Research Engineer, Institute of Materials Research and Engineering, A*STAR May 2010 - Jul 2010 Temporary Research Staff, Nanyang Technological University. Sep 2008 - May 2010 Postdoctoral Scholar, Pennsylvania State University, USA. Nov 2007 - May 2008 Postdoctoral Fellow, European Laboratory for Non-Linear Spectroscopy (LENS), Italy. Mar 2007 - Nov 2007 Research Associate, Nanyang Technological University Academic Qualifications Ph.D., Nanyang Technological University, Singapore, 2007 M.Sc., Fudan University, China, 2003 B.Eng., Dept. of Optoelectronic Information Engineering, Shandong University, China, 2000 Honours and Awards Other Professional Appointments / Membership Selected Publications M. S. Wang, C. L. Zhao, X. Y. Miao, Y. H. Zhao, J. Rufo, Y. J. Liu, T. J. Huang, and Y. B. Zheng, Plasmofluidics: Merging Light and Fluids at the Micro-/Nano-Scale, Small 11, 4423–4444 (2015). G. Y. Si, E. S. P. Leong, X. X. Jiang, J. T. Lv, J. Lin, H. T. Dai, and Y. J. Liu, All-Optical, Polarization-Insensitive Light Tuning Properties in Silver Nanorod Arrays Covered with Photoresponsive Liquid Crystals, Phys. Chem. Chem. Phys. 17, 13223-13227 (2015). H. T. Dai, L. Chen, B. Zhang, G. Y. Si, and Y. J. Liu, Optically Isotropic, Electrically Tunable Liquid Crystal Droplet Arrays Formed by Photopolymerization-Induced Phase Separation, Opt. Lett. 40, 2723-2726 (2015). K. Chen, E. S. P. Leong, M. Rukavina, T. Nagao, Y. J. Liu, and Y. B. Zheng, Active Molecular Plasmonics: Tuning Surface Plasmon Resonances by Exploiting Molecular Dimensions, Nanophotonics 4, 186-197 (2015). E. S. P. Leong, Y. J. Liu, J. Deng, Y. T. Fong, N. Zhang, S. J. Wu, and J. H. Teng, Fluid-Enabled Significant Enhancement and Active Tuning of Magnetic Resonances in Free-Standing Plasmonic Metamaterials, Nanoscale 6, 11106-11111 (2014). Y. J. Liu, H. Liu, E. S. P. Leong, C. C. Chum, and J. H. Teng, Fractal Holey-Metal Microlenses with Significantly Suppressed Side Lobes and High-Order Diffractions in Focusing, Adv. Opt. Mater. 2, 487-492 (2014). G. Y. Si, Y. H. Zhao, E. S. P. Leong, and Y. J. Liu, Liquid-Crystal-Enabled Active Plasmonics: A Review, Materials 7, 1296-1317 (2014). N. Zhang, Y. J. Liu, J. Yang, X. D. Su, J. Deng, C. C. Chum, M. H. Hong, and J. H. Teng, High Sensitivity Molecule Detection by Plasmonic Nanoantennas with Selective Binding at Electromagnetic Hotspots, Nanoscale 6, 1416-1422 (2014). H. L. Liu, E. S. P. Leong, Z. L. Wang, G. Y. Si, L. J. Zheng, Y. J. Liu, and C. Soci, Multiple and Multipolar Fano Resonances in Plasmonic Nanoring Pentamers, Adv. Opt. Mater. 1, 978-983 (2013). G. Y. Si, Y. H. Zhao, J. T. Lv, M. Q. Lu, F. W. Wang, H. L. Liu, N. Xiang, T. J. Huang, A. J. Danner, J. H. Teng, and Y. J. Liu, Reflective Plasmonic Color Filters Based on Lithographically Patterned Silver Nanorod Arrays, Nanoscale 5, 6243-6248 (2013).