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

Paper Details

Date Published: 16 April 2019
PDF: 7 pages
Proc. SPIE 11029, Micro-structured and Specialty Optical Fibres VI, 110290E (16 April 2019); doi: 10.1117/12.2522248
Show Author Affiliations
Alexey A. Wolf, Institute of Automation and Electrometry (Russian Federation)
Novosibirks State Univ. (Russian Federation)
Alexandr V. Dostovalov, Institute of Automation and Electrometry (Russian Federation)
Novosibirks State Univ. (Russian Federation)
Kirill A. Bronnikov, Institute of Automation and Electrometry (Russian Federation)
Novosibirks State Univ. (Russian Federation)
Sergey A. Babin, Institute of Automation and Electrometry (Russian Federation)
Novosibirks State Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 11029:
Micro-structured and Specialty Optical Fibres VI
Kyriacos Kalli; Alexis Mendez; Pavel Peterka, Editor(s)

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