TL;DR: On this paper, the authors described the plant-mediated synthesis of silver nanoparticles utilizing the plant leaf extract of Coleus aromaticus, which functions being a cutting down and capping agent. Determined by the one of a kind Qualities of optical Fano resonance and plasmonic-waveguide coupling systems, this paper explores a https://www.directivepublications.org/journal-of-applied-nanoscience/