OSA's Digital Library

Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 12 — Jun. 15, 2012
  • pp: 2205–2207

Investigation of InGaN green light-emitting diodes with chirped multiple quantum well structures

Yi-An Chang, Yih-Ting Kuo, Jih-Yuan Chang, and Yen-Kuang Kuo  »View Author Affiliations


Optics Letters, Vol. 37, Issue 12, pp. 2205-2207 (2012)
http://dx.doi.org/10.1364/OL.37.002205


View Full Text Article

Enhanced HTML    Acrobat PDF (475 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

The effect of using chirped multiple quantum-well (MQW) structures in InGaN green light-emitting diodes (LEDs) is numerically investigated. An active structure, which is with both thick QWs with low indium composition on the p-side and thin QWs with high indium composition next to the n-region, is presented in this study. The thickness and indium composition in each single QW is specifically tuned to emit the same green emission spectrum. Comparing with conventional active structure design of green LEDs, which is using uniform MQWs, the output power is increased by 27% at 20 mA, and by 15% at 100 mA current injections. This improvement is mainly attributed to the enhanced efficiency of carrier injection into QWs and the improved capability of carrier transport.

© 2012 Optical Society of America

OCIS Codes
(230.0250) Optical devices : Optoelectronics
(230.3670) Optical devices : Light-emitting diodes
(230.5590) Optical devices : Quantum-well, -wire and -dot devices

ToC Category:
Optical Devices

History
Original Manuscript: February 27, 2012
Revised Manuscript: March 26, 2012
Manuscript Accepted: April 5, 2012
Published: June 4, 2012

Citation
Yi-An Chang, Yih-Ting Kuo, Jih-Yuan Chang, and Yen-Kuang Kuo, "Investigation of InGaN green light-emitting diodes with chirped multiple quantum well structures," Opt. Lett. 37, 2205-2207 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-12-2205


Sort:  Author  |  Year  |  Journal  |  Reset  

References

  1. J. Baur, F. Baumann, M. Peter, K. Engl, U. Zehnder, J. Off, V. Kuemmler, M. Kirsch, J. Strauss, R. Wirth, K. Streubel, and B. Hahn, Phys. Status Solidi C 6, S905 (2009). [CrossRef]
  2. S. C. Ling, T. C. Lu, S. P. Chang, J. R. Chen, H. C. Kuo, and S. C. Wang, Appl. Phys. Lett. 96, 231101 (2010). [CrossRef]
  3. C. H. Wang, S. P. Chang, P. H. Ku, J. C. Li, Y. P. Lan, C. C. Lin, H. C. Yang, H. C. Kuo, T. C. Lu, S. C. Wang, and C. Y. Chang, Appl. Phys. Lett. 99, 171106 (2011). [CrossRef]
  4. H. Zhao, G. Liu, and N. Tansu, Appl. Phys. Lett. 97, 131114 (2010). [CrossRef]
  5. S. H. Park, J. Park, and E. Yoon, Appl. Phys. Lett. 90, 023508 (2007). [CrossRef]
  6. H. Zhao, G. Lin, J. Zhang, J. D. Poplawsky, V. Dierolf, and N. Tansu, Opt. Express 19, A991 (2011). [CrossRef]
  7. Y. K. Kuo, J. Y. Chang, M. C. Tsai, and S. H. Yen, Appl. Phys. Lett. 95, 011116 (2009). [CrossRef]
  8. J. Y. Zhang, L. E. Cai, B. P. Zhang, X. L. Hu, F. Jiang, J. Z. Yu, and Q. M. Wang, Appl. Phys. Lett. 95, 161110 (2009). [CrossRef]
  9. S. Uchida, M. Takeya, S. Ikeda, T. Mizuno, T. Fujimoto, O. Matsumoto, S. Goto, T. Tojyo, and M. Ikeda, IEEE J. Sel. Top. Quantum Electron. 9, 1252 (2003). [CrossRef]
  10. E. Matioli, E. Rangel, M. Iza, B. Fleury, N. Pfaff, J. Speck, E. Hu, and C. Weisbuch, Appl. Phys. Lett. 96, 031108(2010). [CrossRef]
  11. I. L. Lu, R. Wu, and J. Singh, J. Appl. Phys. 108, 124508 (2010). [CrossRef]
  12. I. Vurgaftman, J. R. Meyer, and L. R. Ram-Mohan, J. Appl. Phys. 89, 5815 (2001). [CrossRef]
  13. J. Wu, J. Appl. Phys. 106, 011101 (2009). [CrossRef]
  14. D. Y. Fu, R. Zhang, B. G. Wang, B. Liu, Z. L. Xie, X. Q. Xiu, H. Lu, Y. D. Zheng, and G. Edwards, J. Appl. Phys. 108, 103107 (2010). [CrossRef]
  15. J. Piprek and S. Nakamura, IEE Proc.-Optoelectron. 149, 145 (2002). [CrossRef]
  16. J. Piprek, Nitride Semiconductor Devices—Principles and Simulation (Wiley-VCH, 2007), p. 24.

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited