JAP_Chesca_2014.pdf (598.89 kB)
Amplification of electromagnetic waves excited by a chain of propagating magnetic vortices in YBaCuO Josephson-junction arrays
journal contribution
posted on 2014-01-08, 14:28 authored by Boris Chesca, Daniel John, Christopher MellorTheory shows that when a soliton propagates in a discrete lattice it excites small-amplitude
linear waves in its wake. In a dc current-biased Josephson-junction (JJ) array these manifest
as electromagnetic (EM) waves excited by a (magnetic field induced) chain of propagating
magnetic vortices. When the vortex velocity and the phase velocity of one of the excited EM
waves match, phase-locking occurs. This results in the amplification of the EM radiation. We
report the first observation of phase-locking-induced amplification of EM radiation at 77K
and above in JJ arrays made of high temperature superconductors.
History
School
- Science
Department
- Physics
Citation
CHESCA, B., JOHN, D. and MELLOR, C., 2014. Amplification of electromagnetic waves excited by a chain of propagating magnetic vortices in YBaCuO Josephson-junction arrays. Superconducting Science and Technology 27(8):085015-085015.Publisher
© IOPVersion
- AM (Accepted Manuscript)
Publication date
2014Notes
This is an author-created, un-copyedited version of an article published in Superconducting Science and Technology. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/0953-2048/27/8/085015ISSN
0031-9007Publisher version
Language
- en