Influence of fiber manufacturing tolerances on the spectral response of a bend loss based all-fiber edge filter |
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| Authors: | Wang Pengfei Farrell Gerald Semenova Yuliya Rajan Ginu |
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| Affiliation: | Applied Optoelectronics Center, School of Electronic and Communication Engineering, Dublin Institute of Technology, Dublin, Ireland. pengfei.wang@student.dit.ie |
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| Abstract: | It is shown that manufacturing tolerances of the fiber parameters bend radius and numerical aperture (NA) significantly influence the fiber bend loss performance and spectral response of a fiber based edge filter. A theoretical model, validated by experimental results, is used to determine the changes in key spectral parameters for an edge filter, resulting from changes within their manufacturing tolerance range, for both the bend radius and NA. Finally, it is shown that bend-radius tuning during fabrication of such filters is a means of mitigating the effect of manufacturing variations. |
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