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Optical Engineering

Investigation on high transmission efficiency 7 × 1 pump combiner
Author(s): Yang Cao; Wei Shi; Quan Sheng; Shijie Fu; Haiwei Zhang; Xiaolei Bai; Liang Qi; Jianquan Yao
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Paper Abstract

The 7×1 end-pumped combiner employing 105/125  μm multimode fibers as pump fibers is investigated. The theoretical analysis reveals that sufficient taper length and low refractive index of the capillary should be adopted to fabricate high transmission efficiency combiners. Based on the simulation results, we fabricate a 7×1 end-pumped pump combiner with an average transmission efficiency of 98.9% and a total return loss of 1.1‰. The measured internal operating temperature of this combiner indicates it can endure pump power of the order of kilowatts.

Paper Details

Date Published: 7 December 2016
PDF: 5 pages
Opt. Eng. 55(12) 126102 doi: 10.1117/1.OE.55.12.126102
Published in: Optical Engineering Volume 55, Issue 12
Show Author Affiliations
Yang Cao, Tianjin University (China)
Wei Shi, Tianjin Univ. (China)
Quan Sheng, Tianjin Univ. (China)
Shijie Fu, Tianjin Univ. (China)
Haiwei Zhang, Tianjin Univ. (China)
Xiaolei Bai, Tianjin Univ. (China)
Liang Qi, HFB Photonics, Inc. (China)
Jianquan Yao, Tianjin Univ. (China)

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