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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 11 — Jun. 3, 2013
  • pp: 13492–13501

Surface-plasmon-enhanced GaN-LED based on a multilayered M-shaped nano-grating

Haosu Zhang, Jun Zhu, Zhendong Zhu, Yuanhao Jin, Qunqing Li, and Guofan Jin  »View Author Affiliations

Optics Express, Vol. 21, Issue 11, pp. 13492-13501 (2013)

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A multilayered metallic M-shaped nano-grating is proposed to enhance the internal quantum efficiency, light extraction efficiency and surface-plasmon (SP) extraction efficiency of the gallium nitride-based light emitting diodes. This structure is fabricated by the low-cost nano-imprint lithography. The suitable grating based on quasi-symmetrical-waveguide structure has a high transmission in the visible region. The properties of SP mode and the Purcell effect in this type of LED is investigated. The experimental results demonstrate that its peak photoluminescence intensity of the proposed LED is over 10 times greater than that from a naked GaN-LED without any nanostructure.

© 2013 OSA

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(230.3670) Optical devices : Light-emitting diodes
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Optical Devices

Original Manuscript: February 25, 2013
Revised Manuscript: April 27, 2013
Manuscript Accepted: May 20, 2013
Published: May 29, 2013

Haosu Zhang, Jun Zhu, Zhendong Zhu, Yuanhao Jin, Qunqing Li, and Guofan Jin, "Surface-plasmon-enhanced GaN-LED based on a multilayered M-shaped nano-grating," Opt. Express 21, 13492-13501 (2013)

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