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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CK8_3

Focused-ion-beam Nanostructured Photonic Cavities for Integrated Lasers in Crystalline Double Tungstate Channel Waveguides

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Abstract

Rare-earth-ion doped materials, such as the monoclinic potassium double tungstates, are recognized as important candidates for applications in active photonics, providing high absorption and emission cross sections, especially when doped with Yb3+. Recently, laser emission has been obtained in KGdxLu1-x(WO4)2 (or KGLW) with slope efficiencies up to 82.3% [1] in planar and 71% [2] in channel waveguides.

© 2011 Optical Society of America

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