• Photonic crystals,

  • Photonic crystal fibers,

  • Metamaterials,

  • Surface Plsamonics,

  • Rare earth doped fiber amplifiers and lasers,

  • Optical fiber Raman amplifiers and lasers,

  • Polymer optical fibers,

  • Dye-doped polymer optical fiber amplifiers,

  • Fabrication of optical fibers by VAD method,

  • Design and fabrication of optical fiber couplers,

  • Design and study of electro-optic modulators,

  • Study of different types of optical modulators,

  • Study on optical fiber sensors,

  • Design of narrow band microwave amplifiers with transistors and microstrip,

  • Design and feasibility study of fabrication of optical waveguides with ion exchange method,

  • Analysis, optimization and simulation of performance of photonic crystal, metamaterial and plasmonic effects and devices.