Abstract

We present broadband group velocity dispersion (GVD) measurements of commercially available ultra-high numerical aperture fibers (UHNA1, UHNA3, UHNA4, UHNA7, and PM2000D from Coherent-Nufern). Although these fibers are attractive for dispersion management in ultra-fast fiber laser systems in the 2 μm wavelength region, experimental dispersion data in the literature is scarce and inconsistent. Here we demonstrate the measurements using the spectral interferometry technique covering the typically used erbium, thulium, and holmium emission bands. The results are characterized in terms of the standard-deviation uncertainty and compared with previous literature reports. Fitting parameters are provided for each fiber allowing for the straightforward replication of the measured dispersion profiles. This work is intended to facilitate the design of ultra-fast fiber laser sources and the investigations of nonlinear optical phenomena.

© 2018 Optical Society of America

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Supplementary Material (5)

NameDescription
» Data File 1       Dataset containing group velocity dispersion parameter D (ps/nm/km) for UHNA1 Ultra-High Numerical Aperture Fiber (Coherent-Nufern) in the range 1200-2400 nm.
» Data File 2       Dataset containing group velocity dispersion parameter D (ps/nm/km) for UHNA3 Ultra-High Numerical Aperture Fiber (Coherent-Nufern) in the range 1410-2200 nm.
» Data File 3       Dataset containing group velocity dispersion parameter D (ps/nm/km) for UHNA4 Ultra-High Numerical Aperture Fiber (Coherent-Nufern) in the range 1200-2400 nm.
» Data File 4       Dataset containing group velocity dispersion parameter D (ps/nm/km) for UHNA7 Ultra-High Numerical Aperture Fiber (Coherent-Nufern) in the range 1420-2325 nm.
» Data File 5       Dataset containing group velocity dispersion parameter D (ps/nm/km) for PM2000D Ultra-High Numerical Aperture Fiber (Coherent-Nufern) in the range 1420-2400 nm.

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Equations (6)

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