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Effects of Lateral ...
Effects of Lateral Diffusion on the Temperature Sensitivity of the Threshold Current for 1.3 um Double Quantum-Well GaInNAs/GaAs Lasers
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- Adolfsson, Göran, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Wang, Shu Min, 1963 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Sadeghi, Mahdad, 1964 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bengtsson, Jörgen, 1968 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Larsson, Anders, 1957 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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Lim, Jun (author)
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Vilokkinen, Ville (author)
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Melanen, P. (author)
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(creator_code:org_t)
- 2008
- 2008
- English.
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In: IEEE Journal of Quantum Electronics. ; 44:7, s. 607-616
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Abstract
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- We present an experimental and theoretical investigationof the temperature dependence of the threshold current fordouble quantum well GaInNAs–GaAs lasers in the temperaturerange 10 C–110 C. Pulsed measurements of the threshold current have been performed on broad and narrow ridge wave guide(RWG) lasers. The narrow RWG lasers exhibit high characteristic temperatures (T0)of 200 K up to a critical temperature (Tc), above which T0 is reduced by approximately a factor of 2. The T0-values for broad RWG lasers are significantly lower than those for the narrow RWG lasers, with characteristic temperatures on the order of 100 (60) K below (above). Numerical simulations, using a model that accounts for lateral diffusion effects, show good agreement with experimental data and reveal that a weakly temperature dependent lateral diffusion current dominates thethreshold current for narrow RWG lasers.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Telekommunikation (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Telecommunications (hsv//eng)
Keyword
- dilute nitrides
- quantum-well (QW) lasers
- Ambipolar diffusion
- characteristic temperature
- threshold current
Publication and Content Type
- art (subject category)
- ref (subject category)
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Adolfsson, Göran ...
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Wang, Shu Min, 1 ...
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Sadeghi, Mahdad, ...
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Bengtsson, Jörge ...
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Larsson, Anders, ...
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Lim, Jun
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show more...
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Vilokkinen, Vill ...
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Melanen, P.
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show less...
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- ENGINEERING AND TECHNOLOGY
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ENGINEERING AND ...
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and Electrical Engin ...
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and Telecommunicatio ...
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Chalmers University of Technology