相位求和产生单频上转换激光

IF 5.2 1区 物理与天体物理 Q1 OPTICS
Xin Zeng, S. Cui, Huawei Jiang, Bowen Ruan, Xin Cheng, Jiaqi Zhou, Zhiquan Lin, Xuezong Yang, Weibiao Chen, Yan Feng
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引用次数: 0

摘要

摘要利用和频混频过程中的相位和效应来避免单频可见或紫外激光器功率缩放中的非线性障碍。采用相位调制的方法对两个单频基频激光器进行频谱展宽,抑制光纤放大器中的受激布里渊散射,从而获得更高的功率。在非线性光学晶体中经过和频混合后,当两个基基激光器的相位调制幅度相似但符号相反时,由于相位叠加,上转换激光返回到单频。该方法在基于拉曼光纤放大器的激光系统中得到了实验验证,产生了功率可扩展的无边带单频590nm激光器。这一建议体现了相位运算在精密激光混波过程中的重要性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Single-frequency upconverted laser generation by phase summation
Abstract The phase summation effect in sum-frequency mixing process is utilized to avoid a nonlinearity obstacle in the power scaling of single-frequency visible or ultraviolet lasers. Two single-frequency fundamental lasers are spectrally broadened by phase modulation to suppress stimulated Brillouin scattering in fiber amplifier and achieve higher power. After sum-frequency mixing in a nonlinear optical crystal, the upconverted laser returns to single frequency due to phase summation, when the phase modulations on two fundamental lasers have a similar amplitude but opposite sign. The method was experimentally proved in a Raman fiber amplifier-based laser system, which generated a power-scalable sideband-free single-frequency 590 nm laser. The proposal manifests the importance of phase operation in wave-mixing processes for precision laser technology.
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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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