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Reservoir Computing Using a Spin-Wave Delay-Line Active-Ring Resonator Based on Yttrium-Iron-Garnet Film
Physical Review Applied ( IF 4.6 ) Pub Date : 2020-03-23 , DOI: 10.1103/physrevapplied.13.034057
Stuart Watt , Mikhail Kostylev

We demonstrate the use of propagating spin waves for implementing a reservoir-computing architecture. Our concept utilizes an active-ring resonator comprising a magnetic thin-film delay line with an integrated feedback loop. These systems exhibit strong nonlinearity and delayed response, two important properties required for an effective reservoir-computing implementation. In a simple design, we exploit the electric control of feedback gain to inject input data into the active-ring resonator and use a microwave diode to read out the amplitude of the spin waves circulating in the ring. We employ two baseline tasks, namely the short-term memory and parity-check tasks, to evaluate the suitability of this architecture for processing time-series data.

中文翻译:

基于钇铁石榴石薄膜的自旋波延迟线有源环谐振器的储层计算

我们演示了使用传播的自旋波来实现储层计算架构。我们的概念利用了一个有源环谐振器,该谐振器包括带有集成反馈回路的磁性薄膜延迟线。这些系统表现出强大的非线性和延迟响应,这是有效的储层计算实现所需的两个重要属性。在一个简单的设计中,我们利用反馈增益的电控制将输入数据注入到有源环谐振器中,并使用微波二极管读出环中循环的自旋波的幅度。我们采用两个基线任务,即短期内存和奇偶校验任务,以评估该体系结构对处理时序数据的适用性。
更新日期:2020-03-24
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