Direct core-selective inscription of Bragg grating structures in seven-core optical fibers by femtosecond laser pulses

Alexey A. Wolf; Alexandr V. Dostovalov; Kirill A. Bronnikov; Sergey A. Babin

doi:10.1117/12.2522248

16 April 2019 Direct core-selective inscription of Bragg grating structures in seven-core optical fibers by femtosecond laser pulses

Alexey A. Wolf, Alexandr V. Dostovalov, Kirill A. Bronnikov, Sergey A. Babin

Author Affiliations +

Proceedings Volume 11029, Micro-structured and Specialty Optical Fibres VI; 110290E (2019) https://doi.org/10.1117/12.2522248
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

We present the results on fiber Bragg gratings inscription with femtosecond laser pulses in a Fibercore SM- 7C1500(6.1/125) 7-core single-mode optical fiber. By focusing femtosecond pulses into the volume of the fiber and by controlling the transverse spatial position of the pulse absorption region we selectively modify the individual fiber cores of the fiber and at the same time specify geometry of the each grating. We show that different longitudinal profiles of coupling coefficient can be realized for the FBG, including uniform, chirped and apodized ones.

Conference Presentation

Citation Download Citation

Alexey A. Wolf, Alexandr V. Dostovalov, Kirill A. Bronnikov, and Sergey A. Babin "Direct core-selective inscription of Bragg grating structures in seven-core optical fibers by femtosecond laser pulses", Proc. SPIE 11029, Micro-structured and Specialty Optical Fibres VI, 110290E (16 April 2019); https://doi.org/10.1117/12.2522248

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