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首页> 外文期刊>Optics Letters >High-repetition-rate femtosecond mid-infrared pulses generated by nonlinear optical modulation of continuous-wave QCLs and ICLs
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High-repetition-rate femtosecond mid-infrared pulses generated by nonlinear optical modulation of continuous-wave QCLs and ICLs

机译：由连续波QCLS和ICL的非线性光学调制产生的高重复率飞秒内红外脉冲

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摘要

We demonstrate an effective method to obtain high-repetition-rate femtosecond mid-infrared (mid-IR) pulses by nonlinear optical modulation of mid-IR continuous-wave (CW) quantum and interband cascade lasers (ICLs and QCLs). In the experiment, a high-repetition-rate femtosecond ytterbium-doped fiber laser with nanojoule-level pulse energy was used as the pump source of optical parametric amplifiers to modulate and amplify the mid-IR CW laser. Near transform-limited 84 fs duration (7.3 cycles) mid-IR pulses were generated with above 200 mW average power and a repetition rate of 160 MHz. Moreover, the spectral tunability was demonstrated using CW QCL at different wavelengths. The scheme offered a simple method to produce high-repetition-rate ultrashort pulses and that can be flexibly adopted in other mid-IR regions. (C) 2019 Optical Society of America
机译：我们证明了一种有效的方法，以通过中红外连续波（CW）量子和间带级联激光器（ICLS和QCLS）的非线性光学调制获得高重复率飞秒半红外线（中IR）脉冲。 在实验中，使用具有纳米腔级脉冲能量的高重复速率飞秒掺杂纤维激光器作为光学参数放大器的泵浦来调节和放大中原CW激光器。 近变换限制84 FS持续时间（7.3个循环）中间IR脉冲以高于200 MW平均功率和重复率为160 MHz。 此外，使用CW QCL在不同波长下证明光谱可调性。 该方案提供了一种简单的方法，可以生产高重复速率超短脉冲，并且可以在其他中红外地区灵活采用。 （c）2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第23期|共4页
  • 作者

    Gu Chenglin; Zuo Zhong; Luo Daping; Peng Daowang; Di Yuanfeng; Zou Xing; Yang Liu; Li Wenxue;

  • 作者单位

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

    East China Normal Univ State Key Lab Precis Spect Shanghai 200062 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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