1,721,040 research outputs found

    Confinement Loss and Nonlinearity Analysis of Air-Guiding Modified Honeycomb Photonic Bandgap Fibers

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    Air-guiding photonic bandgap fibers based on a modified honeycomb lattice have been numerically investigated through the finite element method. Results confirm that an extra hole in the unit cell of a honeycomb lattice can be exploited to enlarge the photonic bandgap, allowing air-guiding with confinement losses lower than 0.1 dB/km and nonlinear coefficient lower than 3.5 10-3(W km)-1 at 1.55 um

    Scaling laws in tube lattice fibers

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    Scaling laws of confinement loss and dielectric overlap in circularly arranged tube lattice fibers are numerically analyzed. Confinement loss scales as the 4.5 power of wavelength-core size ratio whereas dielectric overlap dependence is weaker

    Comparison among first order PMD compensation techniques

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    A comparision among three different first order polarization mode dispersion compensation techniques was done in terms of outage probability. This probability was calculated for a fixed value of sensitivity penalty at the reciever with the purpose of evaluating their impact on 10 Gbit/s communication system performance for different conditions of polarization mode dispersion and for varying compensation parameters. A numerical approach was applied looking for the best operating point of compensation © 2001 SPIE · 0277-786X/01/$15.00

    2D+1 and 3D Simulation Methods for Hollow Core Fibers Non-Idealities Analysis

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    We propose three numerical approaches for the analysis of Hollow Core fibers non-idealities along fiber propagation direction. The first two are 2D+1 approaches and relies on the Coupled Mode Theory and the Mode Matching Method. While the third is a full 3D method since it relies on a 3D finite element method simulation
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