Ultra-broad near-infrared emission of Bi-doped SiO2?Al2O3?GeO2 optical fibers
Chinese Optics Letters, Vol. 9, Issue 7, pp. 071601-071601 (2011)
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Abstract
Bi-doped SiO2-Al2O3-GeO2 fiber preforms are prepared by modified chemical vapor deposition (MCVD) and solution doping process. The characteristic spectra of the preforms and fibers are experimentally investigated, and a distinct difference in emission between the two is observed. Under 808-nm excitation, an ultra-broad near-infrared (NIR) emission with full-width at half-maximum (FWHM) of 495 nm is observed in the Bi-doped fiber. This observation, to our knowledge, is the first in this field. The NIR emission consists of two bands, which may be ascribed to the Bi0 and Bi+ species, respectively. This Bi-doped fiber is promising for broadband optical amplification and widely tunable laser.
© 2011 Chinese Optics Letters
OCIS Codes
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
(160.2540) Materials : Fluorescent and luminescent materials
(160.3380) Materials : Laser materials
(160.4670) Materials : Optical materials
Citation
Jindong Wu, Danping Chen, Xingkun Wu, Jianrong Qiu, and , "Ultra-broad near-infrared emission of Bi-doped SiO2?Al2O3?GeO2 optical fibers," Chin. Opt. Lett. 9, 071601-071601 (2011)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-9-7-071601
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