4.6 Article

Remote grating-assisted excitation of narrow-band surface plasmons

Journal

OPTICS EXPRESS
Volume 18, Issue 23, Pages 23857-23864

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.18.023857

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Funding

  1. National Institutes of Health (NIH) under ARRA [2R01EB004761-06]
  2. U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]

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We show, based on theoretical analysis and realistic simulations, how a grating embedded in a dielectric substrate can excite surface plasmon polaritons (SPPs) on the top side of a flat metal film far removed from the grating. This remote SPP excitation is characterized by a narrow spectral bandwidth and a high near-field intensity relative to the standard approach for exciting SPPs. The simplicity of the structure and the fact that it requires only normally incident light should make it relevant to the many applications that benefit from high quality SPPs on a flat metal film. (C) 2010 Optical Society of America

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