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|Title:||Analysis and design of AlGaInP single-quantum-well LED|
|Authors:||Lee, Liang Pao|
Chua, Soo Jin
|Citation:||Lee, Liang Pao,Chua, Soo Jin (1999). Analysis and design of AlGaInP single-quantum-well LED. Proceedings of SPIE - The International Society for Optical Engineering 3896 : 155-162. ScholarBank@NUS Repository.|
|Abstract:||Calculations are done and compared for two AlGaInP single-quantum-well (SQW) LED structures: step separate-confinement-heterostructure (SCH) SQW structure and graded-index (GRIN) SCH-SQW structure. It is found that the latter has better performance in terms of spontaneous lifetime and injection efficiency. This is attributed to greater barrier height to electron leakage and substantial overlap between wavefunctions of different quantum numbers in the GRIN-SCH-SQW structure. Results also show that the GRIN layer thickness has no influence on the QW energy levels, spontaneous lifetime and injection efficiency in a GRIN-SCH-SQW.|
|Source Title:||Proceedings of SPIE - The International Society for Optical Engineering|
|Appears in Collections:||Staff Publications|
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