Core pumped large mode area double cladding ytterbium-doped fiber amplifier

Chao Zhang; Jing-Sui Li; Sheng-Ping Chen; Xiang-Ai Cheng

doi:10.1117/12.2627509

28 March 2022 Core pumped large mode area double cladding ytterbium-doped fiber amplifier

Chao Zhang, Jing-Sui Li, Sheng-Ping Chen, Xiang-Ai Cheng

Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 12169DM (2022) https://doi.org/10.1117/12.2627509
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China

Abstract

We design a narrow linewidth pulsed core-pumped double-cladding large mode area ytterbium-doped fiber amplifier (LMA-YDFA) operating at 1016 nm, and experimentally investigate the effects of different input signal laser power, YDF length, pump power and pumping mode on the output characteristics of the amplifier. The results show that the core pumped LMA-YDFA is feasible in power amplification, gain fiber shortening and ASE suppression. We compare the core pumped LMA-YDFA with the single mode ytterbium-doped fiber amplifier (SM-YDFA). The latter has the self-phase modulation (SPM) that the former does not have. The results show that the core pumped LMA-YDFA can better suppress the nonlinear effect and spectral broadening of the narrow linewidth pulse laser in the amplification process.

Citation Download Citation

Chao Zhang, Jing-Sui Li, Sheng-Ping Chen, and Xiang-Ai Cheng "Core pumped large mode area double cladding ytterbium-doped fiber amplifier", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 12169DM (28 March 2022); https://doi.org/10.1117/12.2627509

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