1. Highly efficient channel waveguide lasers at 2 µm
- Author
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Markus Pollnau, Sonia M. García-Blanco, Christos Grivas, Shanmugam Aravazhi, and K. van Dalfsen
- Subjects
Waveguide lasers ,Materials science ,business.industry ,Potassium ,chemistry.chemical_element ,Laser ,law.invention ,Optical pumping ,Optics ,chemistry ,law ,Sapphire ,Optoelectronics ,business ,Monoclinic crystal system ,Titanium ,Communication channel - Abstract
Laser experiments on thulium-gadolinium-lutetium-yttrium co-doped monoclinic potassium double tungstates in buried, ridge-type channel-waveguide geometry demonstrate maximum slope efficiencies approaching twice the Stokes limit at ~1.9 μm, when pumping with a Ti:Sapphire laser at 800 nm.
- Published
- 2013
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