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Investigating a Phase Conjugate Mirror for Magnon-Based Computing

  • Book
  • © 2020

Overview

Authors:
  1. Alistair Inglis

    1. Clarendon Laboratory, University of Oxford, Oxford, UK

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  • Nominated as an outstanding Ph.D. thesis by the University of Oxford
  • Provides new insights into the potential of spin-wave based computing
  • Presents unexpected and fascinating results on the fractal behaviour of nonlinear spin-wave systems

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (6 chapters)

  1. Front Matter

    Pages i-xii
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  2. Motivation and Introduction to Theory

    • Alistair Inglis
    Pages 1-23

  3. Magnonic Phase Conjugation Theory

    • Alistair Inglis
    Pages 25-44

  4. Experimental Methods and Details

    • Alistair Inglis
    Pages 45-72

  5. Magnonic Phase Conjugation Experiment

    • Alistair Inglis
    Pages 73-98

  6. Investigating Nonlinear Effects

    • Alistair Inglis
    Pages 99-115

  7. Concluding Remarks

    • Alistair Inglis
    Pages 117-119

  8. Back Matter

    Pages 121-122
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Keywords

About this book

This work provides a convincing motivation for and introduction to magnon-based computing. The challenges faced by the conventional semiconductor-transistor-based computing industry are contrasted with the many exciting avenues for developing spin waves (or magnons) as a complementary technology wherein information can be encoded, transmitted, and operated upon: essential ingredients for any computing paradigm. 

From this general foundation, one particular operation is examined: phase conjugation via four-wave-mixing (FWM). The author constructs an original theory describing the generation of a phase conjugate mirror with the remarkable property that any incident spin wave will be reflected back along the same direction of travel. After establishing a theoretical framework, the careful design of the experiment is presented, followed by the demonstration of a magnetic phase conjugate mirror using four-wave mixing for the first time. 


The thesis concludes with an investigation into the unexpected fractal behaviour observed arising from the phase conjugate mirror – a result that is testament to the richness and vibrancy of these highly nonlinear spin wave systems. 


Authors and Affiliations

  • Clarendon Laboratory, University of Oxford, Oxford, UK

    Alistair Inglis

About the author

Alistair Inglis began his scientific career studying his undergraduate and masters in Physics at the University of Glasgow. Offering a comprehensive introduction to research, Inglis spent these years working in various labs studying quantum optics and metastable micromagnets in the Kelvin Building, Glasgow; working on the ATLAS project in Lawrence Berkeley National Lab, California; and measuring magnetic tunnel junctions in Diamond Light Source, Harwell.  Embracing magnetic devices, he pursued as doctorate in magnon spintronics generally, specialising in phase conjugation and nonlinear processes, in particular four-wave mixing.

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