Focusing surface plasmon polaritons through a disordered nanohole structure

Eunsung Seo, Joonmo Ahn, Wonjun Choi, Hakjoon Lee, Young Min Jhon, Sang Hoon Lee, Wonshik Choi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Control of near-field waves is the key to going beyond the diffraction limit. Here we present the focusing of plasmonic waves, a type of near-field waves, by the wavefront shaping of far-field waves. We coupled far-field illumination to a disordered nanoholes on a thin gold film to generate speckled plasmonic waves. By controlling the phase pattern of the incident waves at the excitation wavelength of 637 nm, we demonstrated the focusing of surface plasmon polaritons (SPPs) down to 170 nm at arbitrary positions. Our study shows the possibility of using disordered nanoholes as a plasmonic lens with high flexibility in the far-field control.

Original languageEnglish
Title of host publication2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
Volume3
ISBN (Print)9781467371094
DOIs
Publication statusPublished - 2016 Jan 7
Event11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015 - Busan, Korea, Republic of
Duration: 2015 Aug 242015 Aug 28

Other

Other11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015
CountryKorea, Republic of
CityBusan
Period15/8/2415/8/28

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

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  • Cite this

    Seo, E., Ahn, J., Choi, W., Lee, H., Jhon, Y. M., Lee, S. H., & Choi, W. (2016). Focusing surface plasmon polaritons through a disordered nanohole structure. In 2015 11th Conference on Lasers and Electro-Optics Pacific Rim, CLEO-PR 2015 (Vol. 3). [7376414] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CLEOPR.2015.7376414