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首页> 外文期刊>Japanese journal of applied physics >Numerical Investigation of Method of Reconstructing Gain-Switched Picosecond Pulses from Laser Diodes without Autocorrelation Measurements
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Numerical Investigation of Method of Reconstructing Gain-Switched Picosecond Pulses from Laser Diodes without Autocorrelation Measurements

机译：无需自相关测量的激光二极管重建增益切换皮秒脉冲方法的数值研究

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摘要

A simple method for characterizing the amplitude and phase of picosecond optical pulses from gain-switched laser diodes without autocorrelation measurements is proposed, based on an iterative calculation using only the fundamental and second-harmonic power spectra of an optical pulse to be estimated. The feasibility of the proposed method is examined numerically for gain-switched picosecond pulses obtained using single-mode laser diode rate equations. As a result, although the lack of information normally obtained from autocorrelation measurements means that the initial conditions have a strong influence on the iterative calculation, the proposed method was found to correctly reconstruct the waveform and the frequency-chirp of gain-switched picosecond pulses with an accuracy close to that of the conventional method incorporating autocorrelation measurements.
机译：基于仅使用待估计光脉冲的基波和二次谐波功率谱的迭代计算，提出了一种无需自相关测量即可表征来自增益开关激光二极管的皮秒光脉冲的幅度和相位的简单方法。对于使用单模激光二极管速率方程获得的增益切换的皮秒脉冲，对提出的方法的可行性进行了数值检验。结果，尽管通常无法通过自相关测量获得信息，这意味着初始条件对迭代计算有很大影响，但发现该方法可以正确地重建增益切换皮秒脉冲的波形和频率the。精确度接近于结合自相关测量的传统方法。

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  • 来源
    《Japanese journal of applied physics》 |2010年第3issue1期|p.032702.1-032702.7|共7页
  • 作者

    Kenji Wada; Tetsuya Matsuyama; Daisuke Noritake; Hidetoshi Fukui; Shinji Koyama; Hiromichi Horinaka;

  • 作者单位

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

    Department of Physics and Electronics, Graduate School of Engineering, Osaka Prefecture University, Sakai 599-8531, Japan;

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