TL;DR: During this paper, the authors documented the plant-mediated synthesis of silver nanoparticles utilizing the plant leaf extract of Coleus aromaticus, which acts for a reducing and capping agent. Based on the one of a kind Attributes of optical Fano resonance and plasmonic-waveguide coupling programs, this paper explores a novel https://www.directivepublications.org/journal-of-applied-nanoscience/