Title

Broadly Tunable Subterahertz Emission from Internal Branches of the Current-Voltage Characteristics of Superconducting Bi2Sr2CaCu2O8+delta Single Crystals

Authors

Authors

M. Tsujimoto; T. Yamamoto; K. Delfanazari; R. Nakayama; T. Kitamura; M. Sawamura; T. Kashiwagi; H. Minami; M. Tachiki; K. Kadowaki;R. A. Klemm

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

Phys. Rev. Lett.

Keywords

JOSEPHSON-JUNCTIONS; RADIATION; Physics, Multidisciplinary

Abstract

Continuous, coherent subterahertz radiation arises when a dc voltage is applied across a stack of the many intrinsic Josephson junctions in a Bi2Sr2CaCu2O8+delta single crystal. The active junctions produce an equal number of I-V characteristic branches. Each branch radiates at a slightly tunable frequency obeying the Josephson relation. The overall output is broadly tunable and nearly independent of heating effects and internal cavity frequencies. Amplification by a surrounding external cavity to allow for the development of a useful high-power source is proposed.

Journal Title

Physical Review Letters

Volume

108

Issue/Number

10

Publication Date

1-1-2012

Document Type

Article

Language

English

First Page

5

WOS Identifier

WOS:000301343600010

ISSN

0031-9007

Share

COinS