Bridging the terahertz gap for chaotic sources with superconducting junctions

D. R. Gulevich, V. P. Koshelets, F. V. Kusmartsev

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

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.

Original languageBritish English
Article number060501
JournalPhysical Review B
Volume99
Issue number6
DOIs
StatePublished - 5 Feb 2019

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