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Antipov S, Ams M, Williams RJ, et al. Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings. Opt Express. 2016;24(1):30-40doi: 10.1364/OE.24.000030.
Antipov, S., Ams, M., Williams, R. J., Magi, E., Withford, M. J., & Fuerbach, A. (2016). Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings. Optics express, 24(1), 30-40. https://doi.org/10.1364/OE.24.000030
Antipov, Sergei, et al. "Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings." Optics express vol. 24,1 (2016): 30-40. doi: https://doi.org/10.1364/OE.24.000030
Antipov S, Ams M, Williams RJ, Magi E, Withford MJ, Fuerbach A. Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings. Opt Express. 2016 Jan 11;24(1):30-40. doi: 10.1364/OE.24.000030. PMID: 26832235.
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Opt Express. 2016 Jan 11;24(1):30-40. doi: 10.1364/OE.24.000030.

Direct infrared femtosecond laser inscription of chirped fiber Bragg gratings.

Optics express

Sergei Antipov, Martin Ams, Robert J Williams, Eric Magi, Michael J Withford, Alexander Fuerbach

PMID: 26832235 DOI: 10.1364/OE.24.000030

Abstract

We compare and contrast novel techniques for the fabrication of chirped broadband fiber Bragg gratings by ultrafast laser inscription. These methods enable the inscription of gratings with flexible period profiles and thus tailored reflection and dispersion characteristics in non-photosensitive optical fibers. Up to 19.5 cm long chirped gratings with a spectral bandwidth of up to 30 nm were fabricated and the grating dispersion was characterized. A maximum group delay of almost 2 ns was obtained for linearly chirped gratings with either normal or anomalous group velocity dispersion, demonstrating the potential for using these gratings for dispersion compensation. Coupling to cladding modes was reduced by careful design of the inscribed modification features.

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