Self-optimizing additive pulse mode-locked fiber laser: wavelength tuning and selective operation in continuous-wave or mode-locked regime

Ryser, Manuel; Bacher, Christoph; Lätt, Christoph; Heidt, Alexander; Raisin, Philippe; Feurer, Thomas; Romano, Valerio (2018). Self-optimizing additive pulse mode-locked fiber laser: wavelength tuning and selective operation in continuous-wave or mode-locked regime. Proceedings of SPIE - International Society for Optical Engineering, 10512, p. 47. SPIE 10.1117/12.2290645

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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.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

08 Faculty of Science > Institute of Applied Physics

UniBE Contributor:

Ryser, Manuel; Bacher, Christoph; Lätt, Christoph; Heidt, Alexander; Raisin, Philippe Richard; Feurer, Thomas and Romano, Valerio

Subjects:

600 Technology > 620 Engineering

ISSN:

0277-786X

ISBN:

9781510615106

Publisher:

SPIE

Language:

English

Submitter:

Franziska Stämpfli

Date Deposited:

11 Dec 2018 13:52

Last Modified:

11 Dec 2018 13:52

Publisher DOI:

10.1117/12.2290645

URI:

https://boris.unibe.ch/id/eprint/121709

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