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Emission of Terahertz Waves from Stacks of Intrinsic Josephson Junctions

  • Kenneth E. Gray
  • , Alexei E. Koshelev
  • , Cihan Kurter
  • , Kazuo Kadowaki
  • , Takashi Yamamoto
  • , Hidetoshi Minami
  • , Hiroshi Yamaguchi
  • , Masashi Tachiki
  • , Waikwong Kwok
  • , Ulrich W. Welp
  • Missouri University of Science and Technology

Research output: Contribution to journalArticlepeer-review

Abstract

By patterning mesoscopic crystals of Bi 2 Sr 2 CaCu 2 O 8 (BSCCO) into electromagnetic resonators the oscillations of a large number of intrinsic Josephson junctions can be synchronized into a macroscopic coherent state accompanied by the emission of strong continuous wave THz-radiation. The temperature dependence of the emission is governed by the interplay of self-heating in the resonator and by re-trapping of intrinsic Josephson junctions which can yield a strongly non-monotonic temperature dependence of the emission power. Furthermore, proper shaping of the resonators yields THz-sources with voltage-tunable emission frequencies.

Original languageAmerican English
JournalIEEE Transactions on Applied Superconductivity
Volume19
DOIs
StatePublished - Jun 1 2009

Keywords

  • Coherent state
  • Continuous Wave
  • Electric potential
  • Electromagnetic resonators
  • Emission power
  • Intrinsic Josephson junction
  • Intrinsic josephson junctions
  • Josephson junction devices
  • Mesoscopics
  • Optical frequency conversion
  • Resonators
  • Self-heating
  • THz-radiation
  • Temperature dependence
  • Temperature distribution
  • Terahertz waves
  • Voltage-tunable

Disciplines

  • Geology
  • Physics

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