Ultraviolet laser fabrication of ultrastrong optical fiber gratings and of germania-doped channel waveguides
- 27 September 1993
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (13), 1727-1729
- https://doi.org/10.1063/1.110696
Abstract
We report the fabrication of low loss (<0.2 dB) fiber Bragg gratings of 10 nm reflection bandwidth, and of 19 nm bandwidth lossy gratings. With this technology we also demonstrate the direct writing of channel waveguides in commercial germania‐doped wafers without the use of photoresist and etching.Keywords
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