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Yehouessi JP, Baz A, Bigot L, et al. Design and realization of flexible very large mode area pixelated Bragg fibers. Opt Lett. 2015;40(3):363-6doi: 10.1364/OL.40.000363.
Yehouessi, J. P., Baz, A., Bigot, L., Bouwmans, G., Vanvincq, O., Douay, M., & Quiquempois, Y. (2015). Design and realization of flexible very large mode area pixelated Bragg fibers. Optics letters, 40(3), 363-6. https://doi.org/10.1364/OL.40.000363
Yehouessi, Jean-Paul, et al. "Design and realization of flexible very large mode area pixelated Bragg fibers." Optics letters vol. 40,3 (2015): 363-6. doi: https://doi.org/10.1364/OL.40.000363
Yehouessi JP, Baz A, Bigot L, Bouwmans G, Vanvincq O, Douay M, Quiquempois Y. Design and realization of flexible very large mode area pixelated Bragg fibers. Opt Lett. 2015 Feb 01;40(3):363-6. doi: 10.1364/OL.40.000363. PMID: 25680048.
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Opt Lett. 2015 Feb 01;40(3):363-6. doi: 10.1364/OL.40.000363.

Design and realization of flexible very large mode area pixelated Bragg fibers.

Optics letters

Jean-Paul Yehouessi, Assaad Baz, Laurent Bigot, Geraud Bouwmans, Olivier Vanvincq, Marc Douay, Yves Quiquempois

PMID: 25680048 DOI: 10.1364/OL.40.000363

Abstract

A new Pixelated Bragg Fiber design showing improved optical performances in terms of single-mode behavior and effective area is presented. The cladding is made of 3 rings of cylindrical high refractive index rods (pixels) in which some pixels are removed to act as a modal sieve for an improved rejection of Higher Order Modes (HOMs). Two half-wave-stack conditions are used to increase the confinement losses of the 3 first HOMs: LP11 and LP02-LP21 guided core modes. The realized fiber exhibits a core diameter of 48.5 μm with an effective single-mode behavior observed from 1000 nm to beyond 1700 nm even for a 1-m-long straight fiber. Losses prove to be low with a minimum value of 25  dB/km between 1200 and 1500 nm. Bending radius of 22.5 cm is reported for this structure without any significant extra-losses above a wavelength of 1350 nm.

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