Giant optical gain in a rare-earth-ion-doped microstructure |
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| Authors: | Geskus Dimitri Aravazhi Shanmugam García-Blanco Sonia M Pollnau Markus |
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| Affiliation: | Integrated Optical Micro Systems Group, MESA+ Institute for Nanotechnology, University of Twente, Enschede, The Netherlands. |
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| Abstract: | Modal gain per unit length versus launched pump power is predicted and measured in a 47.5 at.% Yb(3+) -doped potassium double tungstate channel waveguide. The highest measured gain exceeds values previously reported for rare-earth-ion-doped materials by two orders of magnitude. |
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| Keywords: | dielectrics doping thin films microstructures photonics |
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