Josephson-vortex-flow terahertz emission in layered high-Tc superconducting single crystals |
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| Authors: | Bae Myung-Ho Lee Hu-Jong Choi Jae-Hyun |
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| Institution: | Department of Physics, Pohang University of Science and Technology, Pohang 790-784, Republic of Korea. |
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| Abstract: | 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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