Abstract
We report theoretical results on the wavelength stabilization in distributed-feedback master-oscillator power-amplifiers which are compact semiconductor laser devices capable of emitting a high brilliance beam at an optical power of several Watts. Based on a travelling wave equation model, we calculate emitted optical power and spectral maps in dependence on the pump of the power amplifier. We show that a proper choice of the Bragg grating type and coupling coefficient allows optimization of the laser operation, such that the laser emits a high intensity continuous wave beam for a wide range of injection currents.
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Tronciu, V.Z., Lichtner, M., Radziunas, M. et al. Improving the stability of distributed-feedback tapered master-oscillator power-amplifiers. Opt Quant Electron 41, 531–537 (2009). https://doi.org/10.1007/s11082-009-9354-6
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DOI: https://doi.org/10.1007/s11082-009-9354-6