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Zargar Shoushtari M, Parsa S. Investigation of Changes in InAs Quantum Dot Laser Transverse Profile by Varying the Dimensions of Waveguide. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :613-616
URL: http://opsi.ir/article-1-277-en.html
URL: http://opsi.ir/article-1-277-en.html
1- Shahid Chamran University of Ahwaz
Abstract: (5318 Views)
These days, quantum dot lasers become more interesting because of their small laser set, high laser efficiency, low threshold current and high thermal stability. The extracted beam profile of these lasers is astigmatic and so some of their applications may be limited. Although, by utilizing cylindrical lenses this problem would be solved, but the intensity may be lost. In this study, while investigating InAs quantum dot laser, it is tried to design appropriate waveguides to extract more symmetrical beams by using Matlab and ZeMax software and also by utilizing waveguide theory. For this system, a waveguide with dimensions of 1.5*2 can produce, more or less, a symmetrical beam.
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