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Optics Letters

Optics Letters


  • Vol. 36, Iss. 15 — Aug. 1, 2011
  • pp: 2958–2960

Superbroadband near-IR emission from praseodymium-doped bismuth gallate glasses

Bo Zhou and Edwin Yue-Bun Pun  »View Author Affiliations

Optics Letters, Vol. 36, Issue 15, pp. 2958-2960 (2011)

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Superbroadband near-infrared (NIR) emission covering 1250 to 1680 nm wavelength has been obtained in praseodymium ( Pr 3 + ) singly doped bismuth gallate glasses. The emission originates from the G 4 1 H 5 3 and D 2 1 G 4 1 transitions at 1330 and 1490 nm wavelengths, respectively, and is due to the extremely low phonon energy ( 690 cm 1 ) and the unique ligand field of the glasses. It is shown that the emission line shape can be modified by adjusting the Pr 3 + concentration and the energy transfers involved. The results confirm that other than bismuth (Bi), chromium (Cr), nickel (Ni), and other chemical elements, Pr 3 + singly doped system is a promising alternative in achieving superbroadband NIR emission.

© 2011 Optical Society of America

OCIS Codes
(140.4480) Lasers and laser optics : Optical amplifiers
(160.2750) Materials : Glass and other amorphous materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence

ToC Category:
Lasers and Laser Optics

Original Manuscript: May 27, 2011
Revised Manuscript: July 2, 2011
Manuscript Accepted: July 6, 2011
Published: August 1, 2011

Bo Zhou and Edwin Yue-Bun Pun, "Superbroadband near-IR emission from praseodymium-doped bismuth gallate glasses," Opt. Lett. 36, 2958-2960 (2011)

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