26 February 2018 Self-optimizing additive pulse mode-locked fiber laser: wavelength tuning and selective operation in continuous-wave or mode-locked regime
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Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 105121C (2018) https://doi.org/10.1117/12.2290645
Event: SPIE LASE, 2018, San Francisco, California, United States
Abstract
Additive pulsed-mode mode-locked fiber lasers are known for their wide range of operating states, which can be achieved by tuning the artificial saturable absorber with built-in polarization controllers. We have equipped our laser with three motorized polarization controllers and online monitoring. We recorded three dimensional high-resolution maps of the oscillation states by stepping trough all possible polarization controller settings. In addition, we demonstrate the single and multi-objective optimization by a genetic algorithm of the fiber laser towards a desired operating state. To the best of our knowledge this is the first demonstration of multi-objective optimization of a fiber laser. Doing so, we can selectively operate the cavity in pulsed and continuous-wave mode and tune the wavelength of the laser emission by more than 55 nm. The high wavelength tunability is possible because the polarization controllers and the inline-polarizer act as a tunable birefringent filter.
Conference Presentation
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Manuel Ryser, Christoph Bacher, Christoph Lätt, Alexander Heidt, Philippe Raisin, Thomas Feurer, Valerio Romano, "Self-optimizing additive pulse mode-locked fiber laser: wavelength tuning and selective operation in continuous-wave or mode-locked regime", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 105121C (26 February 2018); doi: 10.1117/12.2290645; https://doi.org/10.1117/12.2290645
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