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Journal of the Optical Society of America B

Journal of the Optical Society of America B


  • Vol. 12, Iss. 8 — Aug. 1, 1995
  • pp: 1468–1474

Cooperative upconversion in erbium-implanted soda-lime silicate glass optical waveguides

E. Snoeks, G. N. van den Hoven, A. Polman, B. Hendriksen, M. B. J. Diemeer, and F. Priolo  »View Author Affiliations

JOSA B, Vol. 12, Issue 8, pp. 1468-1474 (1995)

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Soda-lime silicate glass has been locally doped with 0.2-at. % erbium by 3.0- and 5.0-MeV ion implantation. Single-mode fiber-compatible optical waveguides were then fabricated by use of Na+ ↔ K+ ion exchange. Characteristic photoluminescence (PL) of Er3+ centered at 1.54 μm is observed on excitation at 1.48 μm. For low pump intensity the PL decay is nearly single exponential with a lifetime of 7.2 ms. At high intensity it becomes nonexponential as a result of cooperative upconversion, an interaction between excited Er ions. Self-consistent modeling of the PL intensity and decay data yields an upconversion coefficient of 3.2 ± 0.8 × 10−24 m3/s. The effect of upconversion on optical gain is shown and discussed. An extrapolation of measured optical gain shows that 1 dB/cm of net gain is possible in the present Er-implanted soda-lime glass.

© 1995 Optical Society of America

E. Snoeks, G. N. van den Hoven, A. Polman, B. Hendriksen, M. B. J. Diemeer, and F. Priolo, "Cooperative upconversion in erbium-implanted soda-lime silicate glass optical waveguides," J. Opt. Soc. Am. B 12, 1468-1474 (1995)

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