8 May 2008 Optimization of the wall-plug efficiency of Al-free active region diode lasers at 975 nm
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Abstract
We have developed two Al-free active region laser structures, which have a high maximum wall-plug efficiency (WPE) of 69% on an uncoated 2 mm x 100 μm single emitter broad area (BA) laser. Both structures include a Large Optical Cavity (LOC) with an optimized doping profile. One structure contains improved interfaces between material layers, and the other one an optimized strain compensated quantum well.
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N. Michel, M. Lecomte, O. Parillaud, M. Calligaro, J. Nagle, M. Krakowski, "Optimization of the wall-plug efficiency of Al-free active region diode lasers at 975 nm", Proc. SPIE 6997, Semiconductor Lasers and Laser Dynamics III, 69971W (8 May 2008); doi: 10.1117/12.781398; https://doi.org/10.1117/12.781398
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