4.8 Article

Josephson-vortex-flow terahertz emission in layered High-Tc superconducting single crystals

Journal

PHYSICAL REVIEW LETTERS
Volume 98, Issue 2, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.98.027002

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Funding

  1. Korea Institute of Industrial Technology(KITECH) [B0000055] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  2. National Research Foundation of Korea [과06A1105, 2003-02901] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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We report on the successful terahertz emission (0.6-1 THz) that is continuous and tunable in its frequency and power, by driving Josephson vortices in resonance with the collective standing Josephson plasma modes excited in stacked Bi2Sr2CaCu2O8+x intrinsic Josephson junctions. Shapiro-step detection was employed to confirm the terahertz-wave emission. Our results provide a strong feasibility of developing long-sought solid-state terahertz-wave emission devices.

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