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2013 (Vol. 6, Issue: 03)
Article Information:

The Effect of Facet Heating and the Evolution with Aging

C.K. Amuzuvi and J.C. Attachie
Corresponding Author:  C.K. Amuzuvi 

Key words:  Band gap energy, by-emitter, degradation, emitters, temperature , ,
Vol. 6 , (03): 361-365
Submitted Accepted Published
July 05, 2012 August 08, 2012 June 15, 2013

This study seeks to explain the effects of thermal runaway due to current competition between emitters in a laser diode bar using both experimental and simulation results. We have demonstrated a trend due to temperature and the evolution with aging using both experimental and simulation results. By-emitter degradation analysis was performed on two bars: 650 nm broad area laser bars and 980 nm tapered laser bars before and after aging. We observed that, a frown shaped temperature profile gave rise to a corresponding frown shaped profile, but the frown shaped power profile turned to a smile shaped profile with the evolution of time. The observed trend was confirmed using simulation results.
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  Cite this Reference:
C.K. Amuzuvi and J.C. Attachie, 2013. The Effect of Facet Heating and the Evolution with Aging.  Research Journal of Applied Sciences, Engineering and Technology, 6(03): 361-365.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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