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Proceedings Paper

Nonlinear magnetostatic waves
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Paper Abstract

It is now well known that a novel class of solid-state integrated devices in radar, electronic warfare, and communication systems can be constructed using linear or nonlinear magnetostatic guided waves or surface waves as their basis. Such waves can propagate in magnetic thin films in the microwave bands. The liquid phase epitaxy (LPE) technology now exists for the preparation of high quality thin films in the microwave bands as well as high quality thin films of yttrium-iron-garnet (YIG). This fact permits the construction of devices in integrable compact form with very low loss. In this review, important theoretical foundations based on the perturbative wave-mixing method for nonlinear magnetic interactions are laid. The second-order magnetic effects may result in the resonant forced second-order nonlinearities. The third-order self-action effects may lead to longitudinal modulation instability and possible soliton formation. The third-order wave-mixing effects can be used to generate phase conjugated wave for signal processing and communication applications. The potential of these nonlinear magnetic effects for new nonlinear microwave devices is very briefly discussed.

Paper Details

Date Published: 1 April 1992
PDF: 9 pages
Proc. SPIE 1626, Nonlinear Optics III, (1 April 1992); doi: 10.1117/12.58111
Show Author Affiliations
Tsae-Pyng Janice Shen, Rockwell International Science Ctr. (United States)
Allan D. Boardman, Univ. of Salford (United Kingdom)

Published in SPIE Proceedings Vol. 1626:
Nonlinear Optics III
Robert A. Fisher; John F. Reintjes, Editor(s)

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