302 citations · 674 across the 17 of their papers we have counts for
3 papers · 2 filters
Plasmonic quasicrystals for designable ultra broadband transmission enhancement and second harmonic generation
Sachin Kasture, Ajith P R, V J Yallapragada +4
Quasi-crystals are intriguing as they exhibit rotational symmetry and long range ordering but lack translational symmetry. 2-dimensional metal-dielectric patterns are interesting t…
Superluminal propagation and broadband omnidirectional antireflection in optical reflectionless potentials
L. V. Thekkekara, Achanta Venu Gopal, Sachin Kasture +2
Reflectionless potentials (RPs) represent a class of potentials that offer total transmission in the context of one dimensional scattering. Optical realization of RPs in stratified…
Nonlinearity Induced Critical Coupling
K. Nireekshan Reddy, Achanta Venu Gopal, S. Dutta Gupta
We study a critically coupled system (Opt. Lett., \textbf{32}, 1483 (2007)) with a Kerr-nonlinear spacer layer. Nonlinearity is shown to inhibit null-scattering in a critically cou…