Enhancing extraction of light from metal composite structures for plasmonic emitters using light-coupling effect

Nan Fu Chiu, Chen Du Yang, Yi Lun Kao, Kuan Lin Lu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This work demonstrates the efficiency and directionality of a method of extracting light from thin-film emissive devices by near-field evanescent waves in plasmonic emitters used in metal composite grating structures. A near-field evanescent wave can induce a surface Plasmon wave on the surface of a metal under resonant conditions. Enhancing the near-field evanescent wave generates strong far-field nonlinear optical effects. This effect is highly efficient in some plasmonic emitter structures. Theoretical and experimental results demonstrate that such a metal composite grating structure exhibits good performance, a high coupling ratio, a small coupling angle, enhanced light extraction and a small FWHM. It also improves luminous efficiency, emitter angle, and directivity.

Original languageEnglish
Pages (from-to)9602-9611
Number of pages10
JournalOptics Express
Volume23
Issue number8
DOIs
Publication statusPublished - 2015 Jan 1

Fingerprint

evanescent waves
composite structures
near fields
emitters
gratings
metals
composite materials
directivity
far fields
thin films

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Enhancing extraction of light from metal composite structures for plasmonic emitters using light-coupling effect. / Chiu, Nan Fu; Yang, Chen Du; Kao, Yi Lun; Lu, Kuan Lin.

In: Optics Express, Vol. 23, No. 8, 01.01.2015, p. 9602-9611.

Research output: Contribution to journalArticle

Chiu, Nan Fu ; Yang, Chen Du ; Kao, Yi Lun ; Lu, Kuan Lin. / Enhancing extraction of light from metal composite structures for plasmonic emitters using light-coupling effect. In: Optics Express. 2015 ; Vol. 23, No. 8. pp. 9602-9611.
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