Abstract

Strong high-quality fiber Bragg gratings with photoinduced refractive-index modulation of more than 10-3 were written in a Corning SMF-28 fiber, a P2O5-doped-core fiber and a pure-silica-core fluorine-doped-cladding fiber by third-harmonic radiation (267 nm, 150 fs and 1.2-1.8×1011 W/cm2) of a femtosecond Ti:sapphire laser using a phase mask. We compare the 267-nm photosensitivity responses with the results of irradiation by 193-nm ArF and 157-nm F2 excimer lasers. The dependence of the refractive-index change on the exposure dose and the annealing characteristics of the fabricated gratings are typical for Type-I UV-written fiber gratings.

© 2004 Optical Society of America

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References

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Electron. Lett.

P.L. Swart, M.G. Shlyagin, A.A. Chtcherbakov, V.V. Spirin, �??Photosensitivity measurement in optical fiber with Bragg grating interferometer,�?? Electron. Lett. 38, 1508-1509 (2002).
[CrossRef]

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[CrossRef]

J. Lightwave Technol.

OFC 1996

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Opt. Lett.

Quantum Electron.

K.A. Zagorul�??ko, P.G. Kryukov, Y.V. Larionov, A.A. Rybaltovskii, E.M. Dianov, N.S. Vorob�??ev, A.V. Smirnov, M.Y. Shchelev, A.M. Prokhorov, �??Fabrication of a long-period grating in a fiber by second harmonic radiation from a femtosecond Ti:sapphire laser,�?? Quantum Electron. 31, 999-1002 (2001).
[CrossRef]

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Figures (5)

Fig. 1.
Fig. 1.

Transmission spectrum of FBG recorded in an H2-loaded SMF-28 fiber

Fig. 2.
Fig. 2.

Dependence of refractive-index change on exposure dose of an H2-loaded SMF-28 fiber.

Fig. 3.
Fig. 3.

Dependence of refractive-index change on exposure dose of H2-loaded P903 fiber.

Fig. 4.
Fig. 4.

Temperature dependence of refractive-index modulation of FBGs written in the H2-loaded P903 fiber during isochronal annealing.

Fig. 5.
Fig. 5.

Temperature dependence of refractive-index modulation of FBGs written in an SMF-28 fiber during isochronal annealing.

Tables (1)

Tables Icon

Table 1. Results of irradiation with 267-nm femtosecond pulses

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