Modulated optical transmission of subwavelength hole arrays in metal- v O 2 films

J. Y. Suh, E. U. Donev, R. Lopez, Leonard C Feldman, R. F. Haglund

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

We demonstrate the modulation of the transmission of near-infrared light through a periodic array of subwavelength apertures in Ag-V O2 and Au-V O2 double-layer films using the semiconductor-to-metal phase transition in V O2. The transmitted intensity ratio increases by a factor of 8 as the V O2 goes from the semiconductor to the metal phase. We attribute this modulation to the switchable dielectric-permittivity contrast between the air-filled holes in the array and the surrounding V O2 material, a conjecture that is semiquantitatively confirmed by simulation.

Original languageEnglish
Article number133115
JournalApplied Physics Letters
Volume88
Issue number13
DOIs
Publication statusPublished - 2006

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modulation
metals
apertures
permittivity
air
simulation

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Modulated optical transmission of subwavelength hole arrays in metal- v O 2 films. / Suh, J. Y.; Donev, E. U.; Lopez, R.; Feldman, Leonard C; Haglund, R. F.

In: Applied Physics Letters, Vol. 88, No. 13, 133115, 2006.

Research output: Contribution to journalArticle

Suh, J. Y. ; Donev, E. U. ; Lopez, R. ; Feldman, Leonard C ; Haglund, R. F. / Modulated optical transmission of subwavelength hole arrays in metal- v O 2 films. In: Applied Physics Letters. 2006 ; Vol. 88, No. 13.
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