Dispersion measurements of microstructured fibers using femtosecond laser pulses

We measure the group-velocity dispersion in the range from 700 to 900 nm on three microstructured fibers with different hole sizes but similar ratios of pitch-to-hole diameter. Our results are in good agreement with theoretical simulations based on vector-plane-wave theory. We perform these measurements using a novel pulse-delay technique which utilizes femtosecond laser pulses and a two-photon photodiode and thus can be applied to short samples.

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