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Energy Express

Energy Express

  • Editor: Christian Seassal
  • Vol. 22, Iss. S4 — Jun. 30, 2014
  • pp: A1051–A1058

Enhanced optical output power by the silver localized surface plasmon coupling through side facets of micro-hole patterned InGaN/GaN light-emitting diodes

Kang Jea Lee, Seung Hwan Kim, Ah Hyun Park, Seul Be Lee, Gun Hee Lee, Gye-Mo Yang, Hai Dinh Pham, Hoang Thi Thu, Tran Viet Cuong, and Eun-Kyung Suh  »View Author Affiliations


Optics Express, Vol. 22, Issue S4, pp. A1051-A1058 (2014)
http://dx.doi.org/10.1364/OE.22.0A1051


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Abstract

Light extraction efficiency of GaN-based light emitting diodes were significantly enhanced using silver nanostructures incorporated in periodic micro-hole patterned multi quantum wells (MQWs). Our results show an enhancement of 60% in the wall-plug efficiency at an injection current of 100 mA when Ag nano-particles were deposited on side facet of MQWs passivated with SiO2. This improvement can be attributed to an increase in the spontaneous emission rate through resonance coupling between localized surface plasmons in Ag nano-particles and the excitons in MQWs.

© 2014 Optical Society of America

OCIS Codes
(230.3670) Optical devices : Light-emitting diodes
(240.6680) Optics at surfaces : Surface plasmons
(250.5230) Optoelectronics : Photoluminescence

ToC Category:
Light-Emitting Diodes

History
Original Manuscript: March 20, 2014
Revised Manuscript: May 16, 2014
Manuscript Accepted: May 20, 2014
Published: May 27, 2014

Citation
Kang Jea Lee, Seung Hwan Kim, Ah Hyun Park, Seul Be Lee, Gun Hee Lee, Gye-Mo Yang, Hai Dinh Pham, Hoang Thi Thu, Tran Viet Cuong, and Eun-Kyung Suh, "Enhanced optical output power by the silver localized surface plasmon coupling through side facets of micro-hole patterned InGaN/GaN light-emitting diodes," Opt. Express 22, A1051-A1058 (2014)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-22-S4-A1051


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