Proceedings ArticleDOI
Bend resistance of large-mode-area higher-order-mode fibers
J.M. Fini,S. Ramachandran +1 more
- pp 5-6
TLDR
In this paper, higher-order-mode fibers with very large mode area are shown to be naturally resistant to bend induced mode distortion, an important limitation on amplifier fibers, and simulations and measurements display resistance of these fibers to bending.Abstract:
Higher-order-mode fibers with very large mode area are shown to be naturally resistant to bend induced mode distortion, an important limitation on amplifier fibers. Simulations and measurements display resistance of these fibers to bending.read more
Citations
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Patent
Large-mode-area optical fibers with reduced bend distortion
TL;DR: In this article, the authors proposed a method of making LMA optical fiber with a grading depth of Δn g, as measured from a central maximum at or near the axis to a lower level that is not greater than the central maximum and not less than the index of the cladding region.
Journal ArticleDOI
Natural bend-distortion immunity of higher-order-mode large-mode-area fibers.
TL;DR: Simulations demonstrate that higher-order modes, recently proposed for amplification, are naturally immune to bend distortion, despite their extremely large mode areas, which compliment measured resistance to mode coupling.
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TL;DR: In this article, a large mode area (LMA) fiber with improved resistance to bend-induced distortions utilizes highly oscillatory modes such that the effective index of the propagating modes remains less than the bent-fiber "equivalent" refractive index over a greater portion of the core.
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Short pulse lasers using large mode area fibers and higher order modes
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Microstructured tellurite glass fibre laser development.
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References
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Journal ArticleDOI
Light propagation with ultralarge modal areas in optical fibers.
Siddharth Ramachandran,Jeffrey W. Nicholson,Samir Ghalmi,Man Yan,Patrick W. Wisk,Eric M. Monberg,F. V. Dimarcello +6 more
TL;DR: In this article, the authors demonstrate robust single-transverse-mode light propagation in higher-order modes of a fiber, with effective area Aeff ranging from 2100 to 3200 μm2.
Journal ArticleDOI
Influence of curvature on the losses of doubly clad fibers
TL;DR: For typical fibers the leakage loss of the HE(11) mode begins to increase significantly when the radius of curvature of the fiber axis reaches the 1-10-cm range.
Journal ArticleDOI
Bend-resistant design of conventional and microstructure fibers with very large mode area
TL;DR: Simulations show that the parabolic-profile design has a natural immunity to bend-induced mode distortion and contraction, and shows superior performance in simulated fair comparisons with other fiber families, including microstructure fibers.
Journal ArticleDOI
Loss and dispersion analysis of microstructured fibers by finite-difference method.
TL;DR: The dispersion and loss in microstructured fibers are studied using a full-vectorial compact-2D finite-difference method in frequency-domain and a dielectric constant averaging technique using Ampere's law across the curved media interface is presented.
Proceedings ArticleDOI
Robust, single-moded, broadband transmission and pulse compression in a record Aeff (2100 μm2) higher-order-mode fiber
TL;DR: In this paper, the LP07 mode of a specially designed fiber was used to achieve low-loss, bend-resistant, mode-coupling-free light transmission over meter-lengths.
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Resistance of higher order modes to bend-induced mode coupling and distortion
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