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  • Optical Amplifiers and Their Applications
  • OSA Trends in Optics and Photonics Series (Optica Publishing Group, 1996),
  • paper TO3

Rare-earth-doped Planar Waveguide Devices

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Rare-earth-doped planar waveguides have been investigated with various host materials, such as silica-based glass, multi-component glass and LiNbO3. Planar waveguides doped with Er have been studied with a view to employing them in future optical communication systems. At first, studies focused on an examination of optical amplification, and the fabrication process was improved in order to achieve a high gain. The highest gain 28 dB was observed with a 40-cm-long Er-doped P-codoped silica waveguide fabricated by flame hydrolysis deposition and reactive ion etching techniques.

© 1996 Optical Society of America

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