Nanoantennas for visible and infrared radiation.
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TLDR
The role of plasmonic resonances on the performance of nanoantennas and the influence of geometrical parameters imposed by nanofabrication are discussed.Abstract:
Nanoantennas for visible and infrared radiation can strongly enhance the interaction of light with nanoscale matter by their ability to efficiently link propagating and spatially localized optical fields. This ability unlocks an enormous potential for applications ranging from nanoscale optical microscopy and spectroscopy over solar energy conversion, integrated optical nanocircuitry, opto-electronics and density-of-states engineering to ultra-sensing as well as enhancement of optical nonlinearities. Here we review the current understanding of metallic optical antennas based on the background of both well-developed radiowave antenna engineering and plasmonics. In particular, we discuss the role of plasmonic resonances on the performance of nanoantennas and address the influence of geometrical parameters imposed by nanofabrication. Finally, we give a brief account of the current status of the field and the major established and emerging lines of investigation in this vivid area of research.read more
Citations
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References
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TL;DR: In this paper, the luminescence of gold nanoparticles embedded in thin glassy silicate-titanate films has been investigated and it has been shown that the particles exhibit an efficient, long time stable, white luminecence during near-infrared Ti:sapphire femtosecond laser excitation.
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Nanoinsulators and nanoconnectors for optical nanocircuits
TL;DR: Engheta et al. as mentioned in this paper analyzed in detail some complex circuit configurations involving series and parallel combinations of these lumped nanocircuit elements at optical frequencies and demonstrated that the behavior of these nanoelements may closely mimic that of their lower-frequency counterparts, even in relatively complex configurations.
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Parallel, series, and intermediate interconnections of optical nanocircuit elements. 2. Nanocircuit and physical interpretation
TL;DR: In this article, the authors investigated the possibility of connecting plasmonic and/or dielectric nanoparticles acting as nanocircuit elements, with a goal for the design of a more complex nano-ircuit system with the desired response.