Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings

Szu Chi Yang, Hung Pin Chen, Hui Hsin Hsiao, Pei Kuen Wei, Hung Chun Chang, Chi Kuang Sun

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

In this paper we report that nanoacoustic pulses can modulate the extraordinary optical transmission (EOT) in nanogratings with a high frequency bandwidth. This study was performed on gold nanogratings on top of a GaN crystal by combining a near-field scanning optical microscope with a femtosecond nanoultrasonic system. Experimental results indicate that the propagating longitudinal nanoacoustic pulses changed the refractive index of a GaN crystal and therefore modulated the near-field cavity mode behavior. Our finding suggests that the temporal modulation with a >11GHz bandwidth can be achieved, with a high potential for future temporal and high speed control on the EOT behavior in nanostructures.

Original languageEnglish
Pages (from-to)16186-16194
Number of pages9
JournalOptics Express
Volume20
Issue number15
DOIs
Publication statusPublished - Jul 16 2012
Externally publishedYes

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near fields
gold
bandwidth
speed control
pulses
optical microscopes
crystals
high speed
refractivity
modulation
cavities
scanning

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Yang, S. C., Chen, H. P., Hsiao, H. H., Wei, P. K., Chang, H. C., & Sun, C. K. (2012). Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings. Optics Express, 20(15), 16186-16194. https://doi.org/10.1364/OE.20.016186

Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings. / Yang, Szu Chi; Chen, Hung Pin; Hsiao, Hui Hsin; Wei, Pei Kuen; Chang, Hung Chun; Sun, Chi Kuang.

In: Optics Express, Vol. 20, No. 15, 16.07.2012, p. 16186-16194.

Research output: Contribution to journalArticle

Yang, SC, Chen, HP, Hsiao, HH, Wei, PK, Chang, HC & Sun, CK 2012, 'Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings', Optics Express, vol. 20, no. 15, pp. 16186-16194. https://doi.org/10.1364/OE.20.016186
Yang, Szu Chi ; Chen, Hung Pin ; Hsiao, Hui Hsin ; Wei, Pei Kuen ; Chang, Hung Chun ; Sun, Chi Kuang. / Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings. In: Optics Express. 2012 ; Vol. 20, No. 15. pp. 16186-16194.
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