Automatic Generation of Noise-Like or Mode-Locked Pulses in an Ytterbium-Doped Fiber Laser by Using Two-Photon-Induced Current for Feedback

@article{Wu2018AutomaticGO,
  title={Automatic Generation of Noise-Like or Mode-Locked Pulses in an Ytterbium-Doped Fiber Laser by Using Two-Photon-Induced Current for Feedback},
  author={Hsiao-Hua Wu and Pin-Han Huang and Yanguo Teng and Alexey Zaytsev and Osamu Wada and Ci-Ling Pan},
  journal={IEEE Photonics Journal},
  year={2018},
  volume={10},
  pages={1-8}
}
We present a simple, reliable, and fast method to automatically generate noise-like or mode-locked pulses in a fiber laser. To generate the targeted pulses, we employed two-photon-induced current from a photocell as the feedback signal to control a set of rotatable wave plates in the laser. The effectiveness of using the two-photon absorption signal to discriminate noise-like pulses from mode-locked pulses is theoretically analyzed and experimentally confirmed. We demonstrate our method by… CONTINUE READING

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