Phospho-alumino-silicate erbium doped fiber for extended l-band amplification
AssigneesHuawei Technologies Canada Co., Ltd., Universite Laval
InventorsSaber Jalilpiran, Jacques Lefebvre, Nicolas Grégoire, Younès Messaddeq, Sophie Larochelle, Lixian Wang
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Abstract
Fiber amplifiers for extending their gain bandwidth through an optimization of the host matrix using phosphorus/aluminum (P/Al) as glass modifier are provided. In one aspect, an optical glass fiber comprising an Erbium doped silicate is provided, where the optical glass fiber comprises P2O5 of greater than 6 mol %; and Al2O3 of between 1.5 and 6 mol %, where a molar percent ratio of the P2O5 and the Al2O3 is between 2 and 4. Further, in some cases, use of yttrium as an alternative co-dopant to ytterbium may be used.
Claims14
An optical glass fiber comprising an Erbium doped silicate, where the optical glass fiber comprises:
- P2O5 of greater than 6 mol %;
- and
- Al2O3 of between 1.5 and 6 mol %,
- wherein a molar percent ratio of the P2O5 and the Al2O3 is between 2 and 4.
An optical glass fiber comprising an Erbium doped silicate, where the optical glass fiber comprises:
- P2O5 of greater than 6 mol %;
- and
- Al2O3 of between 1.5 and 6 mol %,
- wherein a molar percent ratio of the P2O5 and the Al2O3 is between 1.1 and 5.5.
Dependencies are inferred from the claim text.