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Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal

Wen Feng, Liu Deming and Huang Lirong

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Abstract: The enhancement of the light output of an embedded photonic crystal light emitting diode is investigated based on the finite-difference time-domain modeling. The embedded photonic crystal (PC) lattice type, multi-layer embedded PC, distance between the multiple quantum well and the embedded PC are studied. It is found that the embedded one dimensional PC can act as well as embedded two dimensional PCs. The emitted light flux in the up direction can be increased by a new kind of multi-layer embedded PC. Also, we show that the light output in the up direction for the LED with both surfaces and embedded PC could be as high as five times that of a conventional LED.

Key words: photonic crystal

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    Received: 18 August 2015 Revised: 31 May 2010 Online: Published: 01 October 2010

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      Wen Feng, Liu Deming, Huang Lirong. Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal[J]. Journal of Semiconductors, 2010, 31(10): 104006. doi: 10.1088/1674-4926/31/10/104006 Wen F, Liu D M, Huang L R. Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal[J]. J. Semicond., 2010, 31(10): 104006. doi: 10.1088/1674-4926/31/10/104006.Export: BibTex EndNote
      Citation:
      Wen Feng, Liu Deming, Huang Lirong. Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal[J]. Journal of Semiconductors, 2010, 31(10): 104006. doi: 10.1088/1674-4926/31/10/104006

      Wen F, Liu D M, Huang L R. Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal[J]. J. Semicond., 2010, 31(10): 104006. doi: 10.1088/1674-4926/31/10/104006.
      Export: BibTex EndNote

      Theoretical analysis of enhanced light output from a GaN light emitting diode with an embedded photonic crystal

      doi: 10.1088/1674-4926/31/10/104006
      • Received Date: 2015-08-18
      • Accepted Date: 2010-04-13
      • Revised Date: 2010-05-31
      • Published Date: 2010-10-05

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