Impact of transverse spatial-hole burning on beam quality in large-mode-area Yb-doped fibers

@inproceedings{Jiang2008ImpactOT,
  title={Impact of transverse spatial-hole burning on beam quality in large-mode-area Yb-doped fibers},
  author={Zongfu Jiang and J. R. Marciante},
  year={2008}
}
The beam-quality factor of an amplified spontaneous emission source based on a Yb-doped, large-mode-area (LMA), multimode fiber was found to be optimized when the gain became saturated. A model using spatially resolved gain and transverse-mode decomposition of the optical field showed that transverse spatial-hole burning (TSHB) was responsible for the observed behavior. A simplified model without TSHB failed to predict the observed behavior of beam quality. A comparison of both models shows… CONTINUE READING

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