论文信息 - Fundamental-mode cutoff in a photonic crystal fiber with a depressed-index core.

Fundamental-mode cutoff in a photonic crystal fiber with a depressed-index core.

We report a photonic crystal fiber with a depressed-index core doped with fluorine. The effective index of the cladding matches that of the core at an antiguiding wavelength, below which the fiber does not guide light at all.

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