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Dimitri Geskus, Shanmugam Aravazhi, Sonia M. García-Blanco and Markus Pollnau Giant Optical Gain in a Rare-Earth-Ion-Doped Microstructure Advanced Materials 24

Version of Record online: 24 OCT 2011 | DOI: 10.1002/adma.201101781

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Modal gain per unit length versus launched pump power is predicted and measured in a 47.5 at.% Yb3+-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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