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Resonant and non-resonant electromagnetic fields at the nanoscale with active photonic-plasmonic nanostructures

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Abstract

The ability to tailor light-matter interactions in nanostructured environments is at the heart of the current nano-optics technology. The exquisite control of propagating and non-propagating electromagnetic fields made possible by the precise fabrication of metal-dielectric nanostructures enables innovative approaches for resonant/non-resonant electromagnetic field control, enhancement, concentration and manipulation of optical intensity at the nanoscale. In particular, the engineering of photonic-plasmonic coupled systems and the development of artificial electromagnetic media with topological disorder and phase transitions provide novel strategies to dramatically improve the performance metrics of miniaturized optical devices for sensing, energy harvesting, light emission, detection and nonlinear signal generation. In this talk, I will present our results on the design and engineering of optical nanostructures and metamaterials for on-chip applications to plasmon sensing1, light sources2,3 and nonlinear optical components4-7 based on the widespread silicon platform. Periodic and aperiodic nonlinear and polarization switchable arrays of optical nanoantennas8 will be discussed for near-field and far-field control and structured beam applications9,10, as well as our research towards the engineering of light emitting and nonlinear epsilon-near-zero (ENZ) metamaterials in dielectric media with tunable polaritonic responses in the 1-2m spectral range.

© 2014 Optical Society of America

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