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Tm3+-doped tellurite glasses for fiber amplifiers in broadband optical communication at 1.20 µm wavelength region |
Optics Express, Vol. 18, Issue 18, pp. 18805-18810 (2010)
http://dx.doi.org/10.1364/OE.18.018805
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Abstract
Broadband emissions at around 1.20 and 1.46 μm wavelengths from thulium (Tm3+)-doped tellurite glasses were observed under 465 nm wavelength excitation. The 1.20 μm emission originates from the Tm3+: 1G4→3H4 transition, and the associated stimulated peak emission cross-section is calculated to be 0.47 × 10−20 cm2. Population inversion occurs between the 1G4 and 3H4 levels, and a positive gain band from 1.20 to 1.28 μm is achieved at relatively low Tm3+ dopant concentration. Our results suggest that this glass system is promising for optical fiber amplifiers operating at the relatively unexplored low loss 1.20 μm wavelength region.
© 2010 OSA
OCIS Codes
(160.5690) Materials : Rare-earth-doped materials
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(230.2285) Optical devices : Fiber devices and optical amplifiers
ToC Category:
Materials
History
Original Manuscript: July 8, 2010
Revised Manuscript: August 14, 2010
Manuscript Accepted: August 15, 2010
Published: August 18, 2010
Citation
Bo Zhou, Hai Lin, and Edwin Yue-Bun Pun, "Tm3+-doped tellurite glasses for fiber amplifiers in broadband optical
communication at 1.20 µm wavelength region," Opt. Express 18, 18805-18810 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-18-18805
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