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Proceedings Paper

Broadband multi-mode group-velocity dispersion determination in photonic crystal fibers from 0.4 µm to 1.7 µm
Author(s): Pascal Böswetter; Tobias Baselt; Frank Ebert; Peter Hartmann
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Paper 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.

Paper Details

Date Published: 15 February 2012
PDF: 6 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 823736 (15 February 2012); doi: 10.1117/12.905037
Show Author Affiliations
Pascal Böswetter, Westsächsische Hochschule Zwickau (Germany)
Tobias Baselt, Westsächsische Hochschule Zwickau (Germany)
Frank Ebert, Westsächsische Hochschule Zwickau (Germany)
Peter Hartmann, Westsächsische Hochschule Zwickau (Germany)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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