Start Research areas

Plasmonics and photonics


Meta-materials are artificially designed and engineered 3D structures. They can perform those functionality which can not be implemented by the materials which exist in nature. Researchers have found interesting applications of meta-materials at near IR and visible spectrum. However, it is difficult to fabricate these 3D structures at nanoscale level. A new concept of metasurface is game changer which is two-dimensional but equivalent to 3D meta-materials. It provides a practical solution for near IR and visible wavelength. In our group, we explore metasurface-based structure for ultra-thin high-resolution display devices, lens etc. The images below show high-resolution all-dielectric color filters based on such metasurface.