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Proceedings Paper

The influence of distributed rare earth dopant on the performance of waveguide lasers fabricated by the femtosecond laser direct-write technique
Author(s): Yuwen Duan; Aaron McKay; Peter Dekker; M.J. Steel; Michael Withford
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Paper Abstract

The development of an Yb-doped distributed Bragg reflector (DBR) waveguide laser fabricated in phosphate glass using the femtosecond laser direct-write technique is reported. The laser has the slope efficiency of 31% with the output power up to 81 mW at a pump power level of 378 mW. A theoretical model for the waveguide laser (WGL) is presented which gives emphasis to transverse integrals to investigate the energy distribution in a homogenously doped glass which is opposed to the fiber laser. The model was validated with experiments comparing a DBR WGL, and then used to study the influence of distributed rare earth dopants on the performance of such lasers. Approximately 15% of the pump power was absorbed by the doped “cladding” in the femtosecond laser inscribed Yb doped WGL case.

Paper Details

Date Published: 15 March 2013
PDF: 7 pages
Proc. SPIE 8611, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII, 86110W (15 March 2013); doi: 10.1117/12.2002249
Show Author Affiliations
Yuwen Duan, Macquarie Univ. (Australia)
Aaron McKay, Macquarie Univ. (Australia)
Peter Dekker, Macquarie Univ. (Australia)
M.J. Steel, Macquarie Univ. (Australia)
Michael Withford, Macquarie Univ. (Australia)


Published in SPIE Proceedings Vol. 8611:
Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIII
Alexander Heisterkamp; Peter R. Herman; Michel Meunier; Stefan Nolte, Editor(s)

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