Spin wave propagation in uniform waveguide: effects, modulation and its application

TL;DR

This paper reviews the propagation, modulation, and applications of spin waves in uniform waveguides, highlighting recent experimental and theoretical advances that could enhance spin wave-based information transmission technologies.

Contribution

It provides a comprehensive overview of effects, phenomena, and modulation methods for spin wave propagation in uniform waveguides, integrating experimental and theoretical insights.

Findings

Analysis of spin wave propagation characteristics

Description of phenomena like beam splitting and self-focusing

Summary of modulation techniques and their pros and cons

Abstract

With the advent of the post-Moore era, researches on beyond-Complementary Metal Oxide Semiconductor (CMOS) approaches have been attracted more and more attention. Magnonics, or spin wave is one of the most promising technology beyond CMOS, which magnons-quanta for spin waves-process the information analogous to electronic charges in electronics. Information transmission by spin waves, which uses the frequency, amplitude and (or) phase to encode information, has a great many of advantages such as extremely low energy loss and wide-band frequency. Moreover, using the nonlinear characteristics of spin waves for information transmission can increase the extra degree of freedom of information. This review provides a tutorial overview over the effects of spin wave propagation and recent research progress in uniform spin wave waveguide. The propagation characteristics of spin waves in uniform waveguides and some special propagation phenomena such as spin wave beam splitting and self-focusing are described by combining experimental phenomena and theoretical formulas. Furthermore, we summarize methods for modulating propagation of spin wave in uniform waveguide, and comment on the advantages and limitations of these methods. The review may promote the development of information transmission technology based on spin waves.