Geometrical Resonance Conditions for THz Radiation from the Intrinsic Josephson Junctions in Bi2Sr2CaCu2O8+delta

    Authors

    M. Tsujimoto; K. Yamaki; K. Deguchi; T. Yamamoto; T. Kashiwagi; H. Minami; M. Tachiki; K. Kadowaki;R. A. Klemm

    Comments

    Authors: contact us about adding a copy of your work at [email protected]

    Abbreviated Journal Title

    Phys. Rev. Lett.

    Keywords

    SINGLE-CRYSTALS; EMISSION; Physics, Multidisciplinary

    Abstract

    Subterahertz radiation emitted from a variety of short rectangular-, square-, and disk-shaped mesas of intrinsic Josephson junctions fabricated from a Bi2Sr2CaCu2O8+delta single crystal was studied from the observed I-V characteristics, far-infrared spectra, and spatial radiation patterns. In all cases, the radiation frequency satisfies the conditions both for the ac Josephson effect and for a mesa cavity resonance mode. The integer higher harmonics observed in all spectra imply that the ac Josephson effect plays the dominant role in the novel dual-source radiation mechanism.

    Journal Title

    Physical Review Letters

    Volume

    105

    Issue/Number

    3

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    4

    WOS Identifier

    WOS:000279942200011

    ISSN

    0031-9007

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