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Spin waves and their quanta magnons open up a promising branch of high-speed and low-power information processing. Several important milestones were achieved recently in the realization of separate magnonic data processing units including…

Dipolar coupling between closely spaced magnetic waveguides enables the design of magnonic directional couplers - universal devices capable of functioning as signal combiners, power splitters, demultiplexers, and more. The…

Mesoscale and Nanoscale Physics · Physics 2025-05-21 Xu Ge , Roman Verba , Philipp Pirro , Andrii V. Chumak , Qi Wang

Magnonics is an emerging field with potential applications in classical and quantum information processing. Freely propagating magnons in two-dimensional media suffer from dispersion, which limits their effective range and fidelity. We show…

Quantum Physics · Physics 2016-12-21 Muhammad H. Ahmed , Jan Jeske , Andrew D. Greentree

A spin-wave (SW) directional coupler comprised of two laterally parallel nano-scale dipolarly-coupled SW waveguides is proposed and studied using micromagnetic simulations and analytical theory. The energy of a SW excited in one of the…

Mesoscale and Nanoscale Physics · Physics 2019-05-30 Qi Wang , Philipp Pirro , Roman Verba , Andrei Slavin , Burkard Hillebrands , Andrii V. Chumak

Integrated circuits are a cornerstone of modern information technology, and analog wave-based architectures could enable fast and efficient processing beyond conventional charge electronics. In magnonics, spin waves provide a highly…

Modern-days CMOS-based computation technology is reaching its fundamental limitations. The emerging field of magnonics, which utilizes spin waves for data transport and processing, proposes a promising path to overcome these limitations.…

As an alternative angular momentum carrier, magnons or spin waves can be utilized to encode information and breed magnon-based circuits with ultralow power consumption and non-Boolean data processing capability. In order to construct such a…

Applied Physics · Physics 2018-11-14 C. Y. Guo , C. H. Wan , X. Wang , C. Fang , P. Tang , W. J. Kong , M. K. Zhao , L. N. Jiang , B. S. Tao , G. Q. Yu , X. F. Han

In magnonics, an emerging branch of wave physics characterized by low-energy consumption, it is highly desirable to realize circuit elements within the scope of spin-wave computing. Here, based on numerical simulations, we demonstrate the…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 Krzysztof Szulc , Piotr Graczyk , Michał Mruczkiewicz , Gianluca Gubbiotti , Maciej Krawczyk

The directional coupler is a fundamental element of wave-based circuits. The state of the art for the spin-wave directional couplers consists mostly of macroscopic waveguides or two-dimensional planar systems. In this Letter, we present the…

Mesoscale and Nanoscale Physics · Physics 2025-01-14 Krzysztof Szulc , Maciej Krawczyk

Magnonic logic gates represent a crucial step toward realizing fully magnonic data processing systems without reliance on conventional electronic or photonic elements. Recently, a universal and reconfigurable inverse-design device has been…

The transistor transformed not only electronics but everyday life, and the integrated circuit - now simply the "chip" - made computation scalable and ubiquitous. Magnonics has long promised a parallel path to low-energy information…

Magnonics is a promising platform for integrated radio frequency (rf) devices, leveraging its inherent non-reciprocity and reconfigurability. However, the efficiency of spin-wave transducers driven by rf-currents remains a major challenge.…

Applied Physics · Physics 2025-07-25 Felix Kohl , Björn Heinz , Ádám Papp , Róbert Erdélyi , Györgi Csaba , Philipp Pirro

The emerging field of magnonics employs spin waves and their quanta, magnons, to implement wave-based computing on the micro- and nanoscale. Multi-frequency magnon networks would allow for parallel data processing within single logic…

We present a generic theoretical framework to describe non-reciprocal microwave circulation in a multimode cavity magnonic system and assess the optimal performance of practical circulator devices. We show that high isolation (> 56 dB),…

Applied Physics · Physics 2020-05-06 Na Zhu , Xu Han , Chang-Ling Zou , Mingrui Xu , Hong X. Tang

The field of magnonics offers a new type of low-power information processing, in which magnons, the quanta of spin waves, carry and process data instead of electrons. Many magnonic devices were demonstrated recently, but the development of…

Applied Physics · Physics 2021-06-09 Qi Wang , Andrii V. Chumak , Philipp Pirro

Magnonics is gaining momentum as an emerging technology for information processing. The wave character and Joule heating-free propagation of spin-waves hold promises for highly efficient analog computing platforms, based on integrated…

The field of magnonics attracts significant attention due to the possibility of utilizing information coded into the spin-wave phase or amplitude to perform computation operations on the nanoscale. Recently, spin waves were investigated in…

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,…

Applied Physics · Physics 2022-03-14 Lei Zheng , Lichuan Jin , Tianlong Wen , Yulong Liao , Xiaoli Tang , Huaiwu Zhang , Zhiyong Zhong

Spin-waves are excellent data carriers with a perspective use in neuronal networks: Their lifetime gives the spin-wave system an intrinsic memory, they feature strong nonlinearity, and they can be guided and steered through extended…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Thomas Brächer , Philipp Pirro

The growing demand for dense, energy-efficient, and high-frequency signal processing continues to drive device miniaturization. While downscaling remains a central challenge, magnons offer a promising solution as nanoscale signal carriers,…

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