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Laser Action From an Ultrafast Laser Inscribed Nd-Doped Silicate Glass Waveguide

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5 Author(s)
Euan Ramsay ; School of Engineering and Physical Sciences, Heriot-Watt University, Edinburgh, U.K. ; Robert R. Thomson ; Nicholas D. Psaila ; Ajoy K. Kar
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We report single-transverse-mode laser oscillation from waveguides inscribed in a commercially available Nd-doped silicate glass substrate using an ultrafast fiber laser operating at 1064 nm. When pumped at 808 nm, laser action was observed at 1062 nm, with a slope efficiency of 15.0% and a maximum output power of 7.5 mW. Analysis of the laser performance implied a waveguide loss of 0.17 ± 0.06 dB · cm-1.

Published in:

IEEE Photonics Technology Letters  (Volume:22 ,  Issue: 11 )