Electronics Letters · 1994 · 73 citations · 2 references
Natural SciencesElectrical EngineeringMaterials ScienceOptical MaterialsOpticsPhotonicsFiber Optic MaterialsFiber OpticsOptical FibersOptical MetrologyOptical WaveguidesRefractive IndexDiffraction GratingsFiber Bragg GratingsLinewidth BroadeningLinewidth NarrowingOptical Fiber WaveguidesPhotosensitive Materials
The authors demonstrate the inscription of seven Bragg gratings at the same location on a photosensitive fibre. These superimposed Bragg gratings were written over a 60 nm span in the region of 1530 nm with reflectivities better than 45%. Effects due to the inscription of multiple gratings within the same location on the fibre such as wavelength shifting and linewidth narrowing are studied.
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