Strong infrared spectral broadening in low-loss As-S chalcogenide suspended core microstructured optical fibers

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El-Amraoui, M.
Fatome, J.
Jules, J. C.
Kibler, B.
Gadret, G.
Fortier, C.
Smektala, F.
Skripatchev, I. [UNESP]
Polacchini, C. F. [UNESP]
Messaddeq, Y. [UNESP]

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We report the fabrication and characterization of the first guiding chalcogenide As2S3 microstructured optical fibers (MOFs) with a suspended core. At 1.55 μm, the measured losses are approximately 0.7 dB/m or 0.35 dB/m according to the MOF core size. The fibers have been designed to present a zero dispersion wavelength (ZDW) around 2 μm. By pumping the fibers at 1.55 μm, strong spectral broadenings are obtained in both 1.8 and 45-m-long fibers by using a picosecond fiber laser. © 2010 Optical Society of America.



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Optics Express, v. 18, n. 5, p. 4547-4556, 2010.