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Optics Letters

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  • Vol. 36, Iss. 7 — Apr. 1, 2011
  • pp: 1173–1175

Enhanced emission of 2.7 μm pumped by laser diode from Er 3 + / Pr 3 + -codoped germanate glasses

Rongrong Xu, Ying Tian, Lili Hu, and Junjie Zhang  »View Author Affiliations


Optics Letters, Vol. 36, Issue 7, pp. 1173-1175 (2011)
http://dx.doi.org/10.1364/OL.36.001173


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Abstract

A novel Er 3 + / Pr 3 + codoped germanate glass was fabricated and analyzed. Efficient emission at 2.7 μm from the glass was observed upon excitation of a conventional 980 nm laser diode. The 2.7 μm emission characteristics and energy transfer (ET) were investigated. Population inversions between I 13 / 2 4 and I 11 / 2 4 levels have been achieved, and an enhanced emission from 2550 to 2800 nm was obtained. Large ET efficiency of 95% indicates that the ET process from Er 3 + to Pr 3 + ( I 4 13 / 2 , H 3 4 ) ( I 4 15 / 2 , F 3 3 ) is efficient and that Pr 3 + can enhance the emission of 2.7 μm by quenching the lower laser level of Er 3 + via ET.

© 2011 Optical Society of America

OCIS Codes
(140.3480) Lasers and laser optics : Lasers, diode-pumped
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers
(160.2750) Materials : Glass and other amorphous materials
(160.3380) Materials : Laser materials

ToC Category:
Materials

History
Original Manuscript: January 12, 2011
Revised Manuscript: February 24, 2011
Manuscript Accepted: February 28, 2011
Published: March 25, 2011

Citation
Rongrong Xu, Ying Tian, Lili Hu, and Junjie Zhang, "Enhanced emission of 2.7 μm pumped by laser diode from Er3+/Pr3+-codoped germanate glasses," Opt. Lett. 36, 1173-1175 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-7-1173


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