Near-to-far-field spectral evolution in a plasmonic crystal: Experimental verification of the equipartition of diffraction orders

D. J. Park, K. G. Lee, H. W. Kihm, Y. M. Byun, D. S. Kim, C. Ropers, C. Lienau, J. H. Kang, Q. Han Park

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11 Citations (Scopus)

Abstract

We report on drastic changes in the near-field spectrum as it evolves into the far field in periodically corrugated metallic nanoslit arrays. The far-field spectral minimum is located exactly at the near-field spectral maximum, where a quasimonochromatic standing wave pattern is observed in the near field. These results are in excellent agreement with the equipartition of diffraction orders recently proposed [K. G. Lee and Q-Han Park, Phys. Rev. Lett. 95, 103902 (2005)].

Original languageEnglish
Article number073109
JournalApplied Physics Letters
Volume93
Issue number7
DOIs
Publication statusPublished - 2008

Bibliographical note

Funding Information:
Financial support of the work in Korea by Korean Government (MOST, MOEHRD) through KRF (Grant Nos. C00012 and C00032), KOSEF, Seoul R&D program and Nano R&D program (Grant No. 2007-02939), and that in Germany by the DFG (SF296) is gratefully acknowledged. The authors thank Sang mo Chun for advice on the theoretical simulations, Minah Seo for discussions and artwork for the figures, and also Joong-Wook Lee for many valuable discussions.

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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