Abstract

Deterioration of the gain coefficient as a result of UV processing of hydrogen-loaded Er3+- and Er3+/Yb3+-doped silicate optical waveguides can be reduced by initial hypersensitization of the waveguide prior to bulk irradiation. This allows improved performance in active-grating devices such as distributed-feedback fiber amplifiers and lasers.

© 2001 Optical Society of America

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References

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  1. J. Canning, “Photosensitisation and photostabilisation of laser-induced index changes in optical fibers,” in Opt. Fiber Technol. 6, 275 (2000).
    [CrossRef]
  2. J. Canning, “Hypersensitisation of optical waveguides,” in Optoelectronics and Communications Conference (OECC ’2001) (Institute of Radio and Electronic Engineers, Sydney, Australia, 2001), pp. 26–28.
  3. J. Canning and M. Åslund, “The photosensitization of optical waveguides,” in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 1999, E. J. Friebele, R. Kashyap, and T. Erdogan, eds., Vol. 33 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 254–259.
  4. M. Åslund, J. Canning, and G. Yoffe, “Locking in photosensitivity in optical fibers and waveguides,” Opt. Lett. 24, 1826–1828 (1999).
    [CrossRef]
  5. M. Åslund and J. Canning, “Annealing properties of gratings written into UV-presensitized hydrogen-outdiffused optical fiber,” Opt. Lett. 25, 692–694 (2000).
    [CrossRef]
  6. J. Canning, M. Åslund, and H.-F. Hu, “UV-induced absorption losses in hydrogen-loaded optical fibers and in presensitized optical fibers,” Opt. Lett. 25, 1621–1623 (2000).
    [CrossRef]
  7. J. Canning and P.-F. Hu, “Eliminating UV-induced losses during UV-exposure of photo-hypersensitized optical fibers,” paper A6 presented at the 8th Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Topical Meeting, Stresa, Italy, July 1–6, 2001.
  8. J. Canning, M. G. Sceats, H. G. Inglis, and P. Hill, “Transient and permanent gratings in phosphosilicate optical fibers produced by the flash condensation technique,” Opt. Lett. 20, 2189–2191 (1995).
    [CrossRef]
  9. A. L. G. Carter, “Flash condensation optical fibers,” Ph.D. dissertation (Department of Physical Chemistry, University of Sydney, Sydney, Australia, 1995).
  10. J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

2000 (3)

1999 (1)

1995 (1)

Åslund, M.

Canning, J.

J. Canning, “Photosensitisation and photostabilisation of laser-induced index changes in optical fibers,” in Opt. Fiber Technol. 6, 275 (2000).
[CrossRef]

M. Åslund and J. Canning, “Annealing properties of gratings written into UV-presensitized hydrogen-outdiffused optical fiber,” Opt. Lett. 25, 692–694 (2000).
[CrossRef]

J. Canning, M. Åslund, and H.-F. Hu, “UV-induced absorption losses in hydrogen-loaded optical fibers and in presensitized optical fibers,” Opt. Lett. 25, 1621–1623 (2000).
[CrossRef]

M. Åslund, J. Canning, and G. Yoffe, “Locking in photosensitivity in optical fibers and waveguides,” Opt. Lett. 24, 1826–1828 (1999).
[CrossRef]

J. Canning, M. G. Sceats, H. G. Inglis, and P. Hill, “Transient and permanent gratings in phosphosilicate optical fibers produced by the flash condensation technique,” Opt. Lett. 20, 2189–2191 (1995).
[CrossRef]

J. Canning, “Hypersensitisation of optical waveguides,” in Optoelectronics and Communications Conference (OECC ’2001) (Institute of Radio and Electronic Engineers, Sydney, Australia, 2001), pp. 26–28.

J. Canning and M. Åslund, “The photosensitization of optical waveguides,” in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 1999, E. J. Friebele, R. Kashyap, and T. Erdogan, eds., Vol. 33 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 254–259.

J. Canning and P.-F. Hu, “Eliminating UV-induced losses during UV-exposure of photo-hypersensitized optical fibers,” paper A6 presented at the 8th Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Topical Meeting, Stresa, Italy, July 1–6, 2001.

J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

Carter, A. L. G.

A. L. G. Carter, “Flash condensation optical fibers,” Ph.D. dissertation (Department of Physical Chemistry, University of Sydney, Sydney, Australia, 1995).

Cowle, G. J.

J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

Hill, P.

Hu, H.-F.

Hu, P.-F.

J. Canning and P.-F. Hu, “Eliminating UV-induced losses during UV-exposure of photo-hypersensitized optical fibers,” paper A6 presented at the 8th Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Topical Meeting, Stresa, Italy, July 1–6, 2001.

Inglis, H. G.

Poole, S. B.

J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

Sceats, M. G.

J. Canning, M. G. Sceats, H. G. Inglis, and P. Hill, “Transient and permanent gratings in phosphosilicate optical fibers produced by the flash condensation technique,” Opt. Lett. 20, 2189–2191 (1995).
[CrossRef]

J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

Yoffe, G.

Opt. Fiber Technol. (1)

J. Canning, “Photosensitisation and photostabilisation of laser-induced index changes in optical fibers,” in Opt. Fiber Technol. 6, 275 (2000).
[CrossRef]

Opt. Lett. (4)

Other (5)

J. Canning, “Hypersensitisation of optical waveguides,” in Optoelectronics and Communications Conference (OECC ’2001) (Institute of Radio and Electronic Engineers, Sydney, Australia, 2001), pp. 26–28.

J. Canning and M. Åslund, “The photosensitization of optical waveguides,” in Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides 1999, E. J. Friebele, R. Kashyap, and T. Erdogan, eds., Vol. 33 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2000), pp. 254–259.

J. Canning and P.-F. Hu, “Eliminating UV-induced losses during UV-exposure of photo-hypersensitized optical fibers,” paper A6 presented at the 8th Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, Topical Meeting, Stresa, Italy, July 1–6, 2001.

A. L. G. Carter, “Flash condensation optical fibers,” Ph.D. dissertation (Department of Physical Chemistry, University of Sydney, Sydney, Australia, 1995).

J. Canning, M. G. Sceats, S. B. Poole, and G. J. Cowle, Generation of π in-gap resonances through detuning of half a Bragg grating for DFB fibre laser operation,” paper 16C2-4 presented at the Optoelectronics and Communications Conference (OECC ’96), Chiba, Japan, July 16–19, 1996.

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Figures (2)

Fig. 1
Fig. 1

Gain coefficient versus wavelength for Er3+-doped germanosilicate optical fiber (, pristine and irradiated; , hypersensitized and irradiated; , fully hydrogen loaded and irradiated). The experimental error is 10%.

Fig. 2
Fig. 2

Gain coefficient versus wavelength for Er3+/Yb3+-doped phosphosilicate optical fiber (, pristine; , hypersensitized and irradiated; , fully hydrogen loaded and irradiated). The experimental error is 10%.

Tables (2)

Tables Icon

Table 1 Preparation Conditionsa

Tables Icon

Table 2 Measured Lifetimes (in ms) of the Upper Excited 4I11/2 State of the Er3+ Ion for the Various Samples (Error, ±1.0ms)

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