Broadband multi-mode group-velocity dispersion determination in photonic crystal fibers from 0.4 µm to 1.7 µm

Pascal Böswetter; Tobias Baselt; Frank Ebert; Peter Hartmann

doi:10.1117/12.905037

15 February 2012 Broadband multi-mode group-velocity dispersion determination in photonic crystal fibers from 0.4 µm to 1.7 µm

Pascal Böswetter, Tobias Baselt, Frank Ebert, Peter Hartmann

Author Affiliations +

Proceedings Volume 8237, Fiber Lasers IX: Technology, Systems, and Applications; 823736 (2012) https://doi.org/10.1117/12.905037
Event: SPIE LASE, 2012, San Francisco, California, United States

Abstract

This report presents a time-frequency-domain white-light interferometer for modal resolved group-velocity dispersion measurements in photonic crystal fibers via dual-channel detection in the spectral range from 0.4 μ;m up to 1.7 μm. Supercontinuum emerging from a photonic crystal fiber illuminates a Mach-Zehnder-interferometer. Temporally resolved spectrograms recorded at distinct delay positions enable the detection of interference fringes for the equalization wavelength. By applying a Sellmeier polynomial to the wavelength dependent differential group delays the dispersion can be derived. The dispersion for several fiber modes is investigated over a broad spectrum of 1,300 nm.

Citation Download Citation

Pascal Böswetter, Tobias Baselt, Frank Ebert, and Peter Hartmann "Broadband multi-mode group-velocity dispersion determination in photonic crystal fibers from 0.4 µm to 1.7 µm", Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 823736 (15 February 2012); https://doi.org/10.1117/12.905037

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