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Träfflista för sökning "WFRF:(Ponizovskaya E.) "

Search: WFRF:(Ponizovskaya E.)

  • Result 1-2 of 2
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1.
  • Bratkovsky, A. M., et al. (author)
  • Properties of nanostructured metamaterials at optical frequencies
  • 2008
  • Conference paper (peer-reviewed)abstract
    • A variety of metamaterials has been demonstrated recently that support backward waves and negative refraction (Negative Index Materials, NIM.) In particular, these materials enable sub-wavelength resolution that makes them even more interesting, especially in optical domain rather than at microwave frequencies where their unusual properties were known for decades. We describe below theoretical and experimental studies of the so-called 'fishnet' metal-spacer holearray metamaterials, which exhibit NIM behavior at optical frequencies, having unit cell size of a few 100s nm. We demonstrate experimentally that their refractive index can be modulated very fast and very strongly (from -2.4 to -1.5) around the communication wavelength of =1.55 um, in good agreement with the FDTD results. We also discuss a problem of loss compensation in those materials with hefty Ohmic losses by using gain media and local field enhancement in metallic nanoparticles ensembles that enable SERS.
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2.
  • Thylén, Lars, et al. (author)
  • Nanophotonics in integrated photonics : A view on metamaterials and devices
  • 2008
  • In: Int. Nano-Optoelectron. Workshop, iNOW Coop. Int. Global-COE Summer Sch. (Photonics Integr.-Core Electron.: PICE) Int. Symp.. - 9781424426560 ; , s. 74-75
  • Conference paper (peer-reviewed)abstract
    • We discuss from a theoretical viewpoint the required advances in material technology and device structures needed to continue the rapid development of photonic circuit spatial integration density.
  •  
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  • Result 1-2 of 2
Type of publication
conference paper (2)
Type of content
peer-reviewed (2)
Author/Editor
Thylén, Lars (2)
Ponizovskaya, E. (2)
Wu, W. (1)
Kim, E (1)
Bratkovsky, A. M. (1)
Shen, Y. R. (1)
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Wang, S. Y. (1)
Bratkovsky, A. (1)
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University
Royal Institute of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (2)
Year
2008 (2)

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