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Proceedings Paper

Self-starting passive mode-locked ytterbium fiber laser with variable pulse width
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Paper Abstract

We report a scheme for controlling pulse width in a robust self-starting mode-locked ytterbium fiber laser using a semiconductor saturable absorber mirror (SESAM). We demonstrate that the pulse width in a mode-locked laser made of all-normal-dispersive fiber can be adjusted by changing ump power to the laser or by adjusting the axial position of the SESAM with respect to a focusing beam. We have obtained optical pulse width of 7.4 ps and the adjustable range was 2 ps without dispersion compensators in the all-normal-dispersive cavity and provides a high reliability of turn-key operation. We have explained that the principle of position dependent pulse width change in a mode-locked laser with a SESAM and verified with numerical simulations.

Paper Details

Date Published: 17 February 2010
PDF: 11 pages
Proc. SPIE 7580, Fiber Lasers VII: Technology, Systems, and Applications, 75802C (17 February 2010); doi: 10.1117/12.841629
Show Author Affiliations
Seung Bum Cho, Gwangju Institute of Science and Technology (Korea, Republic of)
Hoseong Song, Gwangju Institute of Science and Technology (Korea, Republic of)
Sangyoun Gee, Gwangju Institute of Science and Technology (Korea, Republic of)
Dug Young Kim, Gwangju Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 7580:
Fiber Lasers VII: Technology, Systems, and Applications
Kanishka Tankala, Editor(s)

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