大功率1560nm单频铒光纤放大器芯泵浦在1480nm

IF 5.2 1区 物理与天体物理 Q1 OPTICS
Xin Cheng, Zhiquan Lin, Xuezong Yang, Shuizhen Cui, Xin Zeng, Huawei Jiang, Yan Feng
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引用次数: 5

摘要

详细研究了1480 nm拉曼光纤激光器带内泵浦和芯泵浦的1560 nm高功率连续波单频掺铒光纤放大器。实验研究了共泵和反泵两种构型。在共泵浦的情况下,基模和线性极化的输出功率高达59.1 W,效率高达90%,而在反泵浦的情况下,由于额外的损耗,功率和效率都较低。两种配置的放大器在高达10 MHz的频率范围内的激光线宽和相对强度噪声方面表现无差别。然而,在共泵浦中,由于泵浦与信号激光器之间的交叉相位调制,导致光谱基座升高,这是首次对共泵浦进行观测和分析。然而,频谱基座比峰值低34.9 dB,对大多数应用的影响可以忽略不计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
High-power 1560 nm single-frequency erbium fiber amplifier core-pumped at 1480 nm
Abstract High-power continuous-wave single-frequency Er-doped fiber amplifiers at 1560 nm by in-band and core pumping of a 1480 nm Raman fiber laser are investigated in detail. Both co- and counter-pumping configurations are studied experimentally. Up to 59.1 W output and 90% efficiency were obtained in the fundamental mode and linear polarization in the co-pumped case, while less power and efficiency were achieved in the counter-pumped setup for additional loss. The amplifier performs indistinguishably in terms of laser linewidth and relative intensity noise in the frequency range up to 10 MHz for both configurations. However, the spectral pedestal is raised in co-pumping, caused by cross-phase modulation between the pump and signal laser, which is observed and analyzed for the first time. Nevertheless, the spectral pedestal is 34.9 dB below the peak, which has a negligible effect for most applications.
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来源期刊
High Power Laser Science and Engineering
High Power Laser Science and Engineering Physics and Astronomy-Nuclear and High Energy Physics
CiteScore
7.10
自引率
4.20%
发文量
401
审稿时长
21 weeks
期刊介绍: High Power Laser Science and Engineering (HPLaser) is an international, peer-reviewed open access journal which focuses on all aspects of high power laser science and engineering. HPLaser publishes research that seeks to uncover the underlying science and engineering in the fields of high energy density physics, high power lasers, advanced laser technology and applications and laser components. Topics covered include laser-plasma interaction, ultra-intense ultra-short pulse laser interaction with matter, attosecond physics, laser design, modelling and optimization, laser amplifiers, nonlinear optics, laser engineering, optical materials, optical devices, fiber lasers, diode-pumped solid state lasers and excimer lasers.
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