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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 37, Iss. 24 — Dec. 15, 2012
  • pp: 5043–5045

Broadband near-infrared emission of chromium-doped sulfide glass-ceramics containing Ga2S3 nanocrystals

Jing Ren, Bo Li, Guang Yang, Weina Xu, Zhihuan Zhang, Mihail Secu, Vasile Bercu, Huidan Zeng, and Guorong Chen  »View Author Affiliations


Optics Letters, Vol. 37, Issue 24, pp. 5043-5045 (2012)
http://dx.doi.org/10.1364/OL.37.005043


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Abstract

Upon 808 nm excitation, an intense broadband near-infrared emission from Cr4+ has been observed in 80GeS2-20Ga2S3 chalcogenide glass-ceramics (GCs) containing Ga2S3 nanocrystals. The emission band peaking at 1250 nm covers the O, E, S bands (1000–1500 nm). The formation of Ga2S3 nanocrystals (∼20  nm) increases the emission intensity of Cr4+ by more than three times. The quantum efficiency of the present GCs is as great as 36% at room temperature.

© 2012 Optical Society of America

OCIS Codes
(140.3280) Lasers and laser optics : Laser amplifiers
(160.2750) Materials : Glass and other amorphous materials
(160.6990) Materials : Transition-metal-doped materials

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: August 22, 2012
Revised Manuscript: October 9, 2012
Manuscript Accepted: November 3, 2012
Published: December 5, 2012

Citation
Jing Ren, Bo Li, Guang Yang, Weina Xu, Zhihuan Zhang, Mihail Secu, Vasile Bercu, Huidan Zeng, and Guorong Chen, "Broadband near-infrared emission of chromium-doped sulfide glass-ceramics containing Ga2S3 nanocrystals," Opt. Lett. 37, 5043-5045 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-24-5043

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