Bridging the terahertz gap for chaotic sources with superconducting junctions

Article

关键词: JOSEPHSON OSCILLATOR;    RADIATION LINEWIDTH;    TUNNEL-JUNCTIONS;    GENERATION;    NOISE;    MILLIMETER;    FREQUENCY;    EMISSION;    SYSTEM;    POWER;   

DOI  :  10.1103/PhysRevB.99.060501

来源: SCIE

【 摘 要 】

We observe a broadband chaotic signal of terahertz frequency emitted from a superconducting junction. The generated radiation has a wide spectrum reaching 0.7 THz and power sufficient to drive on-chip circuit elements. Our experimental finding is fully confirmed by numerical modeling based on microscopic theory and reveals the unrealized potential of superconducting systems in chaos-based terahertz communication, fast generation of true random numbers, and noninvasive terahertz spectroscopy.

【 授权许可】

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