Investigation on high transmission efficiency 7 × 1 pump combiner

Yang Cao; Wei Shi; Quan Sheng; Shijie Fu; Haiwei Zhang; Xiaolei Bai; Liang Qi; Jianquan Yao

doi:10.1117/1.OE.55.12.126102

7 December 2016 Investigation on high transmission efficiency 7 × 1 pump combiner

Yang Cao, Wei Shi, Quan Sheng, Shijie Fu, Haiwei Zhang, Xiaolei Bai, Liang Qi, Jianquan Yao

Author Affiliations +

Optical Engineering, Vol. 55, Issue 12, 126102 (December 2016). https://doi.org/10.1117/1.OE.55.12.126102

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.

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Yang Cao, Wei Shi, Quan Sheng, Shijie Fu, Haiwei Zhang, Xiaolei Bai, Liang Qi, and Jianquan Yao "Investigation on high transmission efficiency 7 × 1 pump combiner," Optical Engineering 55(12), 126102 (7 December 2016). https://doi.org/10.1117/1.OE.55.12.126102

Published: 7 December 2016

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