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Publications (5/5 displayed)
- 2015Time dependent study of femtosecond laser written waveguide lasers in Yb-doped silicate and phosphate glasscitations
- 2014Comparison study of femtosecond direct-written monolithic waveguide lasers in Yb-doped silicate and phosphate glass
- 2014Narrow linewidth DFB waveguide laser fabricated via ultrafast laser inscriptioncitations
- 2013Theoretical modeling and experiments on a DBR waveguide laser fabricated by the femtosecond laser direct-write techniquecitations
- 2013The influence of distributed rare earth dopant on the performance of waveguide lasers fabricated by the femtosecond laser direct-write technique
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article
Time dependent study of femtosecond laser written waveguide lasers in Yb-doped silicate and phosphate glass
Abstract
<p>We study the time dependent performance of distributed feedback (DFB) waveguide lasers (WGLs) fabricated with an ultrafast laser in Yb-doped phosphate and silicate glasses for the first time. After 30 hours of continuous pumping, the phosphate based laser performance degraded while the silicate based laser surprisingly improved in performance. Additional studies of grating behavior during optical pumping imply that the propagation loss for the silicate glass waveguides reduces over time.</p>