Design and Analysis of All-Optical Universal Logic Gates using 2D Silicon Photonic Crystal Structures -- Effect of super Gaussian parameter on soliton interaction length in highly nonlocal media -- Simulation of Optical FBG based Sensor for Measurement of Temperature, Strain and Salinity -- Study of Underwater Wireless Optical Communication Link Performance for different Water Channels -- Simulation of Power Transfer in Plasmonic Waveguide Coupler -- Analysis for Cost Optimized EO Design of a Reversible Boolean Function using MZIs -- TIR-ORQPM Technique for Generating Highly Efficient Second Harmonic -- Multi Band Cactus Shaped Monopole MIMO Antenna for Wireless LAN and X Band Satellite Communication Applications -- Experimental Analysis of ACO with Modified Firefly and Modified Genetic Algorithm for Routing in FANETs.