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2007 International Conference on Numerical Simulation of Optoelectronic Devices

DOI: 10.1109/nusod.2007.4349003

Springer (part of Springer Nature), Optical and Quantum Electronics, 5-6(40), p. 385-390

DOI: 10.1007/s11082-008-9226-5

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Thermal performance investigation of DQW GaInNAs laser diodes

Journal article published in 2007 by J. J. Lim, R. MacKenzie, S. Sujecki, M. Sadeghi, S. M. Wang, G. Adolfsson, Y. Q. Wei, A. Larsson, P. Melanen, P. Uusimaa, A. A. George, P. M. Smowton ORCID, E. C. Larkins
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Abstract

In this work, we optimize the thermal performance of a double quantum well GalnNAs ridge waveguide laser using an accurate in-house 2D electro-opto-thermal laser simulator. The simulator has shown good agreement with experiments after a detailed calibration procedure. Using calibrated material parameters, we investigate the influence of the p-cladding doping concentration on the heat generation within the laser. It is found that due to the competition between Joule and free carrier absorption heating, an optimum p-cladding doping concentration/profile exists.