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http://dx.doi.org/10.4313/JKEM.2003.16.12S.1268

A Study on Current Blocking Configuration of V-Groove Quantum Wire Laser  

조태호 (광운대학교 전자재료학과)
김태근 (광운대학교 전자재료학과)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.16, no.12S, 2003 , pp. 1268-1272 More about this Journal
Abstract
In order to enhance current Injection efficiency of Y-groove inner strife(VIS) quantum wire lasers, three different current configurations, n-blocking on p-substrate(VIPS), p-n-p-n blocking on n-substrate(VI(PN)nS), p-blocking on n-substrate(VINS) have been designed and fabricated. Among them VIPS laser showed the most stable characteristics of lasing up to 5 mW/facet, a threshold current of 39.9 mA at 818 nm, and an external differential quantum efficiency of 24 %/facet. The current tuning rate was almost linear 0.031 nm/mA, and the temperature tuning rate was measured to be 0.14 nm/$^{\circ}C$.
Keywords
V-grooved quantum wire laser; Leakage current; External quantum efficiency; Stimulated emission;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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