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Mid-infrared optical frequency comb in the 2.7-4.0 μm range via difference frequency generation from a compact laser system [Early Posting]

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摘要

We report on the generation of mid-infrared (mid-IR) frequency comb with a maximum average output power of 250 mW and tunability in the 2.7-4.0 μm region. The approach is based on a single stage difference frequency generation (DFG) starting from a compact Yb-doped fiber laser system. The repetition rate of near-infrared (NIR) comb is locked at 75 MHz. The phase noise of repetition rate in the offset-free mid-IR comb system is measured and analyzed. Except for the intrinsic of NIR comb, environmental noise at low frequency and quantum noise at high frequency from the amplifier chain and nonlinear spectral broadening are the main noise source of broadening the linewidth of comb teeth, which limit the precision of mid-IR dual-comb spectroscopy.

广告组1 - 空间光调制器+DMD
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作者单位:

    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    East China Normal University
    China Electronics Technology Group 41st Research Institute
    China Electronics Technology Group 41st Research Institute
    East China Normal University

引用该论文

Zhou Lian,Liu Yang,Xie Gehui,Gu Chenglin,Deng Zejiang,Zhu Zhiwei,Ouyang Cheng,Zuo Zhong,Luo Daping,Wu Bin,Chen Kunfeng,Li Wenxue. Mid-infrared optical frequency comb in the 2.7-4.0 μm range via difference frequency generation from a compact laser system[J].High Power Laser Science and Engineering,,():.