Nanoimprinted plasmonic nanocavity arrays

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This article demonstrates high resonant absorption of visible light with a plasmonic nanocavity chain structure fabricated through resistless nanoimprinting in metal (RNIM).

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9 p.

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Kim, Sangsik; Xuan, Yi; Drachev, Vladimir P.; Varghese, Leo T.; Fan, Li; Qi, Minghao et al. June 17, 2013.

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This article demonstrates high resonant absorption of visible light with a plasmonic nanocavity chain structure fabricated through resistless nanoimprinting in metal (RNIM).

Physical Description

9 p.

Notes

Abstract: We demonstrate high resonant absorption of visible light with a plasmonic nanocavity chain structure fabricated through resistless nanoimprinting in metal (RNIM). The RNIM approach provides a simple, reproducible, and accurate means to fabricate metallic nanopatterns with high fidelity. The nanocavities are shown to be efficiently excited using normally incident light, and the resonant wavelength can be controlled by either the width or the depth of the cavity. Numerical simulations confirm the experimental observations, and illustrate the behavior of the nanocavity chain waveguide and insensitivity to incident angle. The resonant absorption is due to the excitation of a localized metal-insulator-metal cavity mode. The interacting surface waves allow cavity lengths on the order of ten nanometers for light having a free space wavelength of about four hundred nanometers. Coupling of the cavities with an intervening surface plasmon wave results in a collective excitation and a chain waveguide mode that should prove valuable for more sensitive detection based on surface enhanced Raman scattering.

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  • Optics Express, 2013. Washington, DC: Optical Society of America

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Publication Information

  • Publication Title: Optics Expres
  • Volume: 21
  • Issue: 13
  • Pages: 15081-15089
  • Peer Reviewed: Yes

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UNT Scholarly Works

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  • June 17, 2013

Submitted Date

  • March 11, 2013

Accepted Date

  • April 26, 2013

Added to The UNT Digital Library

  • July 5, 2018, 8:11 p.m.

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Kim, Sangsik; Xuan, Yi; Drachev, Vladimir P.; Varghese, Leo T.; Fan, Li; Qi, Minghao et al. Nanoimprinted plasmonic nanocavity arrays, article, June 17, 2013; Washington, DC. (digital.library.unt.edu/ark:/67531/metadc1212052/: accessed September 25, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT College of Arts and Sciences.