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In-plane wavelength multiplexing of fibre Bragg gratings in a multicore optical fibre
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Paper Abstract

We present separation of fibre Bragg grating wavelength reflections in a multicore fibre with an even peak wavelength distance between reflections in the multiple cores of a single cross-section plane. The inscription is achieved simultaneously in all cores by applying a bend in the fibre, and thus inducing a different variation of the effective refractive index in each core. Such method for wavelength multiplexing would enable the interrogation of multiple sensors signals delivered by a single channel, e.g., without the need of a fanout device or a multichannel spectrometer.

Paper Details

Date Published: 3 October 2019
PDF: 4 pages
Proc. SPIE 11207, Fourth International Conference on Applications of Optics and Photonics, 112072O (3 October 2019); doi: 10.1117/12.2530812
Show Author Affiliations
Ravil Idrisov, Leibniz Institute of Photonics Technology (Germany)
Manfred Rothhardt, Leibniz Institute of Photonics Technology (Germany)
Hartmut Bartelt, Leibniz Institute of Photonics Technology (Germany)


Published in SPIE Proceedings Vol. 11207:
Fourth International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. M. Martins Costa, Editor(s)

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