Nd-doped anti-resonant fiber design for 900-nm all-fiber amplifier

Haichen Xu; Shijie Fu; Hao Tian; Quan Sheng; Wenxin Xia; Wei Shi; Jianquan Yao

doi:10.1117/12.2686277

28 November 2023 Nd-doped anti-resonant fiber design for 900-nm all-fiber amplifier

Haichen Xu, Shijie Fu, Hao Tian, Quan Sheng, Wenxin Xia, Wei Shi, Jianquan Yao

Proceedings Volume 12764, Optoelectronic Devices and Integration XII; 127640J (2023) https://doi.org/10.1117/12.2686277
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

A single-mode Nd-doped solid-core anti-resonant fiber with core diameter of 27 μm was designed for high-power 900 nm laser generation. The simulated result of the designed fiber shows that in the 870~900 nm band, the fundamental mode loss is less than 0.1 dB/m while all the higher-order mode losses are higher than 10 dB/m. More importantly, the loss of all the modes in the 1060 nm band is greater than 100 dB/m, which can guarantee high-power laser generation at 900 nm while suppressing the parasitic lasing around 1060 nm. Based on the designed Nd-doped fiber, a 900 nm fiber amplifier was simulated, which reveals that the amplified spontaneous emission around 1060 nm can be effectively suppressed and a laser slope efficiency up to 54% can be obtained from 0.5 m gain fiber with 100 mW of laser seed.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Haichen Xu, Shijie Fu, Hao Tian, Quan Sheng, Wenxin Xia, Wei Shi, and Jianquan Yao "Nd-doped anti-resonant fiber design for 900-nm all-fiber amplifier", Proc. SPIE 12764, Optoelectronic Devices and Integration XII, 127640J (28 November 2023); https://doi.org/10.1117/12.2686277

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