Spin Wave Based Full Adder

@article{Mahmoud2021SpinWB,
  title={Spin Wave Based Full Adder},
  author={Abdulqader Nael Mahmoud and Frederic Vanderveken and Florin Ciubotaru and Christoph Adelmann and Sorin Dan Cotofana and Said Hamdioui},
  journal={2021 IEEE International Symposium on Circuits and Systems (ISCAS)},
  year={2021},
  pages={1-5}
}
Spin Waves (SWs) propagate through magnetic waveguides and interfere with each other without consuming noticeable energy, which opens the road to new ultra-low energy circuit designs. In this paper we build upon SW features and propose a novel energy efficient Full Adder (FA) design consisting of 1 Majority and 2 XOR gates, which outputs Sum and Carry — out are generated by means of threshold and phase detection, respectively. We validate our proposal by means of MuMax3 micromagnetic… 
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Spin Wave Based Approximate Computing
TLDR
This paper proposes an ultra-low energy novel Approximate Full Adder (AFA) and a 2-bit inputs Multiplier (AMUL) that saves at least 2x and 5x energy in comparison with the state-of-the-art SW designs and 16nm CMOS accurate and approximate designs, respectively, and has an average error rate of 10%.

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A grid network that broadcasts spikes (binary events) in a multi-chip neuromorphic system by relaying them from chip to chip by describing an asynchronous relay implementation that automatically assigns chip-addresses to indicate the source of spikes, encoded as wordserial address-events.
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