Long-phase error-free fiber Bragg gratings |
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Authors: | Komukai T. Nakazawa M. |
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Affiliation: | NTT Opt. Network Syst. Labs., Ibaraki; |
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Abstract: | Stitching errors in the phase mask degrade the spectral response of fiber Bragg gratings fabricated with the phase mask technique. We successfully fabricated a stitching error-free phase mask and applied it to the fabrication of fiber Bragg gratings (FBGs). The gratings have no observable excess sidelobes in the reflectivity and show excellent wavelength selectivity |
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