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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 16 — Aug. 15, 2012
  • pp: 3387–3389

Pr3+-sensitized Er3+-doped bismuthate glass for generating high inversion rates at 2.7 µm wavelength

Yanyan Guo, Ying Tian, Liyan Zhang, Lili Hu, Nan-Kuang Chen, and Junjie Zhang  »View Author Affiliations


Optics Letters, Vol. 37, Issue 16, pp. 3387-3389 (2012)
http://dx.doi.org/10.1364/OL.37.003387


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Abstract

With a 980 nm laser diode pumping, the 2.7 µm emission and energy transfer processes of Er3+/Pr3+ codoped germanium-gallium-bismuthate glasses have been investigated. For Er3+ (1 mol. %) and Pr3+ (1 mol. %) molar concentrations, an intense 2.7 µm emission was obtained based on the high excited-state absorption of Er3+ ions and energy transfer (ET) between Er3+ and Pr3+ ions codopant (ET). The intrinsic lifetime of Er3+:I13/24 level is quenched effectively (from 6.85 ms down to 0.24 ms) and the population inversions between Er3+:I11/24 and I13/24 levels are enhanced to achieve a four-level energy system at 2.7 µm.

© 2012 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(160.4670) Materials : Optical materials
(160.5690) Materials : Rare-earth-doped materials
(260.2160) Physical optics : Energy transfer
(260.3060) Physical optics : Infrared
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Physical Optics

History
Original Manuscript: June 14, 2012
Revised Manuscript: June 28, 2012
Manuscript Accepted: June 28, 2012
Published: August 8, 2012

Citation
Yanyan Guo, Ying Tian, Liyan Zhang, Lili Hu, Nan-Kuang Chen, and Junjie Zhang, "Pr3+-sensitized Er3+-doped bismuthate glass for generating high inversion rates at 2.7 µm wavelength," Opt. Lett. 37, 3387-3389 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-16-3387

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