27 April 2016 First realization of a birefringent flat-top single-mode fiber
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Abstract
We report on the first polarization maintaining single-mode fiber that delivers a flat-top intensity profile at 1050 nm. A high quality fundamental flat mode was obtained. We showed that our fiber can be considered as single-mode in practice with low confinement losses. Its birefringence was measured to be 0.6x10-4, and the PER was measured at more than 20 dB even for a 20 m fiber long. Strategies to enhance this birefringence preserving the flat top profile and the singlemode behaviour as well are also discussed.
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C. Valentin, C. Valentin, P. Gouriou, P. Gouriou, F. Scol, F. Scol, B. Sevigny, B. Sevigny, Y. Quiquempois, Y. Quiquempois, L. Bigot, L. Bigot, R. Habert, R. Habert, A. Cassez, A. Cassez, O. Vanvincq, O. Vanvincq, E. Hugonnot, E. Hugonnot, G. Bouwmans, G. Bouwmans, "First realization of a birefringent flat-top single-mode fiber", Proc. SPIE 9886, Micro-Structured and Specialty Optical Fibres IV, 988615 (27 April 2016); doi: 10.1117/12.2227616; https://doi.org/10.1117/12.2227616
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