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

doi:10.1364/OE.20.016186

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

8 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 language	English
Pages (from-to)	16186-16194
Number of pages	9
Journal	Optics Express
Volume	20
Issue number	15
DOIs	https://doi.org/10.1364/OE.20.016186
Publication status	Published - 2012 Jul 16
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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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.",

author = "Yang, {Szu Chi} and Chen, {Hung Pin} and Hsiao, {Hui Hsin} and Wei, {Pei Kuen} and Chang, {Hung Chun} and Sun, {Chi Kuang}",

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T1 - Near-field dynamic study of the nanoacoustic effect on the extraordinary transmission in gold nanogratings

AU - Yang, Szu Chi

AU - Chen, Hung Pin

AU - Hsiao, Hui Hsin

AU - Wei, Pei Kuen

AU - Chang, Hung Chun

AU - Sun, Chi Kuang

PY - 2012/7/16

Y1 - 2012/7/16

N2 - 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.

AB - 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.

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

Abstract

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