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    Journals >Chinese Journal of Lasers >Volume 50 >Issue 17 >Page 1714014 > Article
    • Chinese Journal of Lasers
    • Vol. 50, Issue 17, 1714014 (2023)
    Theoretical Survey of Terahertz Two-Dimensional Coherent Spectroscopy of Josephson Plasmon Mode in Layered High-Temperature Superconductor
    Zilong Li1、2 and Yuan Wan1、2、3、*
    Author Affiliations
  • 1Key Laboratory of Condensed Matter Theory and Computation, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 2School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Songshan Lake Materials Laboratory, Dongguan 523808, Guangdong, China
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    DOI: 10.3788/CJL230796 Cite this Article Set citation alerts
    Zilong Li, Yuan Wan. Theoretical Survey of Terahertz Two-Dimensional Coherent Spectroscopy of Josephson Plasmon Mode in Layered High-Temperature Superconductor[J]. Chinese Journal of Lasers, 2023, 50(17): 1714014 Copy Citation Text show less
    Structure of considered model. d represents thickness of each insulator, and ϕ denotes phase of each superconductor
    Fig. 1. Structure of considered model. d represents thickness of each insulator, and ϕ denotes phase of each superconductor
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    Pulse sequence. Blue curve represents incident pulse sequence used in Greens function method, and green curve represents incident pulse sequence used in numerical method. Time separation between two pulses is t2, and time separation between measurement and the last pulse is t1
    Fig. 2.

    Pulse sequence. Blue curve represents incident pulse sequence used in Greens function method, and green curve represents incident pulse sequence used in numerical method. Time separation between two pulses is t2, and time separation between measurement and the last pulse is t1

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    Nonlinear response of Josephson plasmon. (a) θnl(t1, t2) obtained from numerical method, with data being scaled such that the maximum is 1; (b) absolute value of 2D Fourier transform of (a), with data normalized; (c) θnl(t1, t2) obtained from Greens function method; (d) absolute value of 2D Fourier transform of (c)
    Fig. 3.

    Nonlinear response of Josephson plasmon. (a) θnl(t1, t2) obtained from numerical method, with data being scaled such that the maximum is 1; (b) absolute value of 2D Fourier transform of (a), with data normalized; (c) θnl(t1, t2) obtained from Greens function method; (d) absolute value of 2D Fourier transform of (c)

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    Zilong Li, Yuan Wan. Theoretical Survey of Terahertz Two-Dimensional Coherent Spectroscopy of Josephson Plasmon Mode in Layered High-Temperature Superconductor[J]. Chinese Journal of Lasers, 2023, 50(17): 1714014
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    Paper Information
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