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We propose gain-assisted Ti1 − xZrxN-based multilayered core–shell nanoparticles (MCSNPs) as refractive index (RI) sensor for real-time and label-free detection of waterborne bacteria. RI sensor designs optimized for diseases caused by pathogen Escherichia coli (E. coli), Serratia marcescens (S. marcescens), and Mierococcus lysodeikticus (M. lysodeikticus) are presented. Mie theory–based analysis...
A novel theoretical approach is developed for treating energy transfer interactions between a donor and an acceptor molecule in the proximity of a nanoshell. Motivated from the diverse applications and rich plasmonic features of plasmonic nanoshell for example, tuning capability of Surface Plasmon (SP) frequencies, greater sensitivity to the dielectric environment, and controllable redirection of...
We describe a bi-directional wave propagation method based on the split-step non-paraxial collocation method. The method is non-iterative and does not require any matrix inversion or diagonalization. The method is applied to reflections from waveguide discontinuities, terminations as well as multilayer reflecting structures. The results obtained compare very well with those obtained using computationally...
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