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Ultimate low loss of hollow-core photonic crystal fibres

Optics Express · 2005 · Vol. 13(1) · pp. 236–236

P. J. Roberts✉(University of Bath)F. CounyH. SabertB. J. ManganD. P. WilliamsLee E. FarrM.W. MasonA. TomlinsonT. A. BirksJ. C. KnightP. St. J. Russell

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Abstract

Hollow-core photonic crystal fibres have excited interest as potential ultra-low loss telecommunications fibres because light propagates mainly in air instead of solid glass. We propose that the ultimate limit to the attenuation of such fibres is determined by surface roughness due to frozenin capillary waves. This is confirmed by measurements of the surface roughness in a HC-PCF, the angular distribution of the power scattered out of the core, and the wavelength dependence of the minimum loss of fibres drawn to different scales.

Photonic Crystal and Fiber Optics Optical Network Technologies Advanced Fiber Optic SensorsMaterials scienceOpticsPhotonic-crystal fiberAttenuationPhotonic crystalSurface roughnessWavelengthCore (optical fiber)Surface finishOptical fiber

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