Single-quantum mechanism of Bragg grating inscription in a Ge/B codoped fibre by high-intensity 264 nm femtosecond pulses

Ernst, T. and Nikogosyan, D. N. (2006). Single-quantum mechanism of Bragg grating inscription in a Ge/B codoped fibre by high-intensity 264 nm femtosecond pulses. Measurement Science and Technology, 18 (1), L1-L3.

Abstract

We studied fibre Bragg grating fabrication in Ge/B codoped photosensitive fibre using high-intensity (60-230 GW cm-2) 264 nm, 220 fs laser pulses The ratio of the refractive index modulation to the incident fluence was found to be independent of the irradiation intensity which points to a single-quantum mechanism of Bragg grating fabrication under the stated experimental conditions.

Publication DOI: https://doi.org/10.1088/0957-0233/18/1/L01
Divisions: ?? 13770100JJ ??
Uncontrolled Keywords: Bragg gratings,Femtosecond UV light,Fibre optics,Single-photon absorption,Two-photon absorption,Materials Science (miscellaneous),Ceramics and Composites,Polymers and Plastics
Published Date: 2006-11-30

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