Abstract
The pulse wave whose width is picosecond is called the pico pulse. In this paper, the pico pulse response analysis of high Tc superconducting Josephson weak-link made of Bi2Sr2Ca2Cu3O10 in the Terahertz (THz) region is reported. Since the photon energy of the THz radiation is greater than the energy gap of high Tc superconductor, the one dimensional time-dependent Ginzburg–Landau (TDGL) equation is used and the TDGL model as the equivalent circuit of Josephson weak-link instead of the Resistively-Shunted-Junction model is derived by use of the TDGL equation. It is found that the peak value of pulse response decreases when the pulse width decreases.
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