In this article we address the nanoscale engineering of the effective index of silicon on
insulator waveguides by using plasmonic metasurface resonances to realize a graded index …

The aim of the present paper is to investigate the potential of metallic metamaterials for
building optical functions in guided wave optics at 1.5 µm. A significant part of this work is …

There is growing interest in designing waveguide couplers with low reflections. Using
impedance-tunable transformation optics, we propose a coordinate transformation …

The coordinate transformation approach is applied for the design of an optical mode adaptor
between two different width waveguides in the near IR telecom optical domain. The control …

Optics and photonics are exciting, rapidly developing fields building their success largely on
use of more and more elaborate artificially made, nanostructured materials. To further …

An integrated vertical coupler that transfers light from the lower passive waveguide to the
upper active waveguide in an asymmetric twin-waveguide integration structure (in …

This work addresses analysis of hybrid plasmonic/dielectric metamaterials operated in
guided wave configurations in the near-infrared domain (λ= 1.5 μm). The objective is to …

The subject of the PhD thesis deals with metamaterials for photonic applications. The main
objective is to investigate the potential of metallic metamaterials for building optical functions …

We address the experimental validation of the technological feasibility and operation of the
metamaterials in a guided wave configuration in the spectral domain around 1.5 μm. For our …

An ultra-compact vertical coupler in an asymmetric twin-waveguide integration configuration
in InGaAsP/InP material system is designed using transformation optics. According to three …