Reduction of intrinsic polarization dependence in arc-induced long-period fiber gratings

Felipe de Souza Delgado; Alexandre Bessa dos Santos

doi:10.1117/1.OE.57.6.067105

21 June 2018 Reduction of intrinsic polarization dependence in arc-induced long-period fiber gratings

Felipe de Souza Delgado, Alexandre Bessa dos Santos

Author Affiliations +

Optical Engineering, Vol. 57, Issue 6, 067105 (June 2018). https://doi.org/10.1117/1.OE.57.6.067105

Abstract

We report a production technique of reducing the polarization-dependent loss (PDL) always present in arc-induced long-period fiber gratings (LPFGs). The proposed fabrication method is based upon the rotation of the optical fiber by an axial angle of 180 deg at each electric arc discharge, therefore, inducing opposite point-by-point asymmetric modulations over the entire length of the LPFG. PDL measurements of different arc-induced LPFGs fabricated by both the conventional and proposed method are presented. Finally, the obtained results show a significant decrease of the intrinsic PDL of arc-induced LPFGs with the proposed fabrication technique.

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Felipe de Souza Delgado and Alexandre Bessa dos Santos "Reduction of intrinsic polarization dependence in arc-induced long-period fiber gratings," Optical Engineering 57(6), 067105 (21 June 2018). https://doi.org/10.1117/1.OE.57.6.067105

Received: 5 January 2018; Accepted: 1 June 2018; Published: 21 June 2018

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