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Low-Threshold Pump Power and High Integration in Al _{2} O _{3}  : Er ^{3+} Slot Waveguide Lasers on SOI

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3 Author(s)
Pintus, P. ; Scuola Superiore Sant''Anna, Pisa, Italy ; Faralli, S. ; Pasquale, F.D.

We numerically investigate the potential of Al2O3:Er3+ active slot waveguides for realizing small-form factor lasers on silicon-on-insulator. Based on recent technological improvements in the reliable and low-cost fabrication of alumina doped with high Er3+ concentration, we point out the possibility of realizing silicon compatible emitters at 1.55 μm, optically pumped at 1480 nm with a few milliwatts threshold pump power.

Published in:

Photonics Technology Letters, IEEE  (Volume:22 ,  Issue: 19 )