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Hybrid integration offers new opportunities for light management at nanoscale. We will in this paper review some of the practical aspects of metallic nanostructures integrated on dielectric waveguide including light scattering for integrated spectroscopy, sub-wavelength waveguiding and metamaterials for polarization conversion.
In this paper we address the potential of metallic metamaterials in guided wave configurations to explore the possibility of their use for transformation optics applications in the near-infrared domain (λ = 1.5 µm). The experimentally investigated hybrid metamaterial structure is made of 2D array of 200×50×50 nm gold cut wires located on the top of high index silicon on insulator (SOI) waveguide....
Positive small-signal net gain is demonstrated for the first time in optical waveguide amplifiers in X-cut Y-propagating lithium niobate by selective erbium (Er) and titanium (Ti) codiffusion. First, a planar codiffused sample was prepared for dynamic secondary ion mass spectrometry (SIMS) analysis. An erbium diffusion coefficient of 0.17 ??m2/h was calculated from the SIMS results and from the diffusion...
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