Abstract
The causes for the saturation of both the continuous-wave and the pulsed output power of broad-area laser diodes driven at very high currents are investigated experimentally and theoretically. The decrease of the gain due to self-heating under continuous-wave operation and spectral holeburning under pulsed operation as well as hetero-barrier carrier leakage and longitudinal spatial holeburning are the dominant mechanisms limiting the maximum achievable output power.
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Wenzel, H., Crump, P., Pietrzak, A. et al. The analysis of factors limiting the maximum output power of broad-area laser diodes. Opt Quant Electron 41, 645–652 (2009). https://doi.org/10.1007/s11082-010-9372-4
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DOI: https://doi.org/10.1007/s11082-010-9372-4