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Vladimir M. Shalaev

September 5, 2002

Plasmonic Nanophotonics: Manipulating Light and Sensing Molecules

Vladimir M. Shalaev

School of Electrical and Computer Engineering, Purdue University

Metal-dielectric nanostructured composite materials, which can support various plasmon modes, open new avenues for manipulating and controlling light with light itself and sensing single molecules [1,2]. Fundamentals of the optical properties of meso- and nano-structured plasmonic materials, both ordered and disordered, are reviewed in this lecture. Plasmonic nanomaterials allow the focusing of light in nanometer-scale areas, which act like highly efficient nano-antennas and nano-resonators. I will discuss new phenomena in plasmonic nanomaterials, such as negative refractive index, extraordinary optical transmittance, plasmonic band-gap structure, disorder-induced localization of plasmons, and surface-enhanced nonlinear optical effects. Plasmonic nanomaterials open up new feasibility to develop photonic nano-circuits and detect molecules with unsurpassed sensitivity.

References:

  1. Vladimir M. Shalaev, Nonlinear Optics of Random Media: Fractal Composites and Metal-Dielectric Films (Springer Tracts in Modern Physics v. 158, Springer, Berlin, Heidelberg 2000)
  2. A. K. Sarychev and V. M. Shalaev, Physics Reports 335, 275-371 (2000)