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电信和无线电工程
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v51.i6-7.210
pages 133-139

Microwave Power Spectra of Stimulated Phonon Emission and Space-Time Structures in a Spin-Phonon System of Ruby Phaser

D. N. Makovetskii
A. Usikov Institute of Radio Physics and Electronics, National Academy of Sciences of Ukraine

ABSTRACT

A problem of forming spin-phonon autostructures has been studied experimentally and generated Poincare cross-sections of microwave power spectra (MPS) have been obtained in a ruby phonon quantum generator (phaser). Considerable narrowing of MPS and their autowave-like superslow motion have been observed under conditions of periodical pump modulation beyond the region of the phaser relaxation resonance. A theoretical interpretation of the excitation of these space-time structures in a spin-phonon system is proposed, which is based on the antiphase mechanism of the energy exchange between modes of a stimulated phonon emission in the microwave acoustic Fabry-Perot resonator.


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