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Optics Letters

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  • Vol. 36, Iss. 10 — May. 15, 2011
  • pp: 1815–1817

Enhanced mid-infrared emissions of Er 3 + at 2.7 μm via Nd 3 + sensitization in chalcohalide glass

Hang Lin, Daqin Chen, Yunlong Yu, Anping Yang, and Yuansheng Wang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 10, pp. 1815-1817 (2011)
http://dx.doi.org/10.1364/OL.36.001815


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Abstract

Nd 3 + sensitized Er 3 + : I 11 / 2 4 I 13 / 2 4 mid-IR emissions around 2.7 μm were investigated in the transparent Ga 2 S 3 GeS 2 CsCl chalcohalide glasses for the first time. Remarkably, it is found that Nd 3 + greatly enhances Er 3 + 2.7 μm emission by a maximal 20 times, and depopulates the lower level of Er 3 + : I 13 / 2 4 for population inversion. Based on Judd–Ofelt theory, the 2.7 μm emission cross section is calculated (as high as 0.66 × 10 20 cm 2 ) and the gain property of the Er 3 + : I 11 / 2 4 I 13 / 2 4 transition is discussed. Hopefully, the materials studied here may find potential applications in the fields of fiber amplifiers and mid-IR lasers.

© 2011 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
(300.6340) Spectroscopy : Spectroscopy, infrared

ToC Category:
Materials

History
Original Manuscript: February 16, 2011
Revised Manuscript: April 12, 2011
Manuscript Accepted: April 13, 2011
Published: May 9, 2011

Citation
Hang Lin, Daqin Chen, Yunlong Yu, Anping Yang, and Yuansheng Wang, "Enhanced mid-infrared emissions of Er3+ at 2.7 μm via Nd3+ sensitization in chalcohalide glass," Opt. Lett. 36, 1815-1817 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-10-1815

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