Theoretical Investigation of Striped and Non-Striped Broad Area Lasers With Off-Axis Feedback

@article{Lichtner2012TheoreticalIO,
  title={Theoretical Investigation of Striped and Non-Striped Broad Area Lasers With Off-Axis Feedback},
  author={M. Lichtner and V. Z. Tronciu and A G Vladimirov},
  journal={IEEE Journal of Quantum Electronics},
  year={2012},
  volume={48},
  pages={353-360}
}
We report a method to improve the beam quality of broad area lasers by using a V-shaped external cavity formed by two off-axis feedback mirrors that allow to select a single transverse mode with transversally modulated intensity distribution. In the case when one of the two feedback mirrors is absent a spontaneous formation of self-induced transverse population grating leading to a reduction of the lasing threshold is observed. Most favorable conditions for stabilization of a single transverse… CONTINUE READING