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Coherent control of 40-THz optical phonons in diamond using femtosecond optical pulses

机译:使用飞秒光脉冲在钻石中的40-THz光学声子的相干控制

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摘要

A theory of the coherent control of optical phonons by double-pulse excitation was modified for the calculation of a large detuning case such as diamond; we calculated the amplitude of the optical phonons without using a rotating-wave approximation. Additionally, we took the frequency chirping and non-Gaussian pulse shape into consideration. The coherent control of the amplitude of 40 THz optical phonons in diamond was demonstrated by using a pair of infrared pulses at a pump-pump delay between -10 and 120 fs, and analyzed by using the modified theory.
机译:通过双脉冲激发进行双脉动激励的相干控制理论,用于计算诸如金刚石的大型静脉静脉;我们在不使用旋转波近似的情况下计算光学声音的幅度。此外,我们考虑了频率啁啾和非高斯脉冲形状。通过在-10和120 fs之间的泵浦延迟处使用一对红外脉冲,并通过使用修改理论来说明金刚石中的40 Zhz光学声子的幅度的相干控制。

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  • 来源
    《Physical review》 |2020年第17期|174301.1-174301.5|共5页
  • 作者单位

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Materials Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Materials Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Materials Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Materials Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Physics Yokohama National University 79-5 Tokiwadai Yokohama 240-8501 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Graduate School of Sciences Osaka Prefecture University 1-1 Gakuen-cho Sakai 599-8531 Japan;

    Laboratory for Materials and Structures Institute for Innovative Research Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan Department of Materials Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta Yokohama 226-8503 Japan;

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