Simulation study on the influence of fabrication process defects on erbium-doped phase-shifted fiber grating

Yu Zhuang; Xiaolei Zhang; Zhiqiang Song

doi:10.1117/12.3040102

16 August 2024 Simulation study on the influence of fabrication process defects on erbium-doped phase-shifted fiber grating

Yu Zhuang, Xiaolei Zhang, Zhiqiang Song

Author Affiliations +

Proceedings Volume 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024); 132311L (2024) https://doi.org/10.1117/12.3040102
Event: 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 2024, Chongqing, China

Abstract

The process defects involved in phase-shifted fiber grating fabrication by the scanning exposure method are analyzed, which include phase shift impreciseness, stained point on phase-mask, unstable UV energy, non-uniform motion of scanning platform and so on. And the fabrication process defects of are divided into three destabilization situations: πphase-shift deviation, random phase shifts, and grating chirping. The mechanical simulation of phase-shifted fiber grating and distributed feedback fiber laser based on the coupled-mode theory and transmission matrix methods are carried out to analyze the effect of disturbance-induced defects during fabrication on the spectrum of phase-shifted fiber grating and the lasing performance of distributed feedback fiber laser.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Yu Zhuang, Xiaolei Zhang, and Zhiqiang Song "Simulation study on the influence of fabrication process defects on erbium-doped phase-shifted fiber grating", Proc. SPIE 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 132311L (16 August 2024); https://doi.org/10.1117/12.3040102

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