Computing with coupled Spin Torque Nano Oscillators

Karthik Yogendra, Deliang Fan, Yong Shim, Minsuk Koo, Kaushik Roy

Research output: Chapter in Book/Report/Conference proceedingConference contribution

9 Scopus citations

Abstract

This paper gives an overview of coupled oscillators and how such oscillators can be efficiently used to perform computations that are unsuitable or inefficient in von-Neumann computing models. The unconventional computing ability of coupled oscillatory system is demonstrated through Spin Torque Nano Oscillators (STNOs). Recent experiments on STNOs have demonstrated their frequency of oscillation in few tens of gigahertz range, operating at low input currents. These attractive features and the ability to obtain frequency locking using a variety of techniques, make STNOs an attractive candidate for non-Boolean computing. We discuss coupled STNO systems for applications such as edge detection of an image, associative computing, determination of L2 norm for distance calculation, and pattern recognition.

Original languageEnglish (US)
Title of host publication2016 21st Asia and South Pacific Design Automation Conference, ASP-DAC 2016
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages312-317
Number of pages6
ISBN (Electronic)9781467395694
DOIs
StatePublished - Mar 7 2016
Externally publishedYes
Event21st Asia and South Pacific Design Automation Conference, ASP-DAC 2016 - Macao, Macao
Duration: Jan 25 2016Jan 28 2016

Publication series

NameProceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC
Volume25-28-January-2016

Conference

Conference21st Asia and South Pacific Design Automation Conference, ASP-DAC 2016
CountryMacao
CityMacao
Period1/25/161/28/16

Keywords

  • Spin transfer torque
  • coupled oscillators
  • frequency locking
  • non-Boolean computation
  • spin torque nano oscillators

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Science Applications
  • Computer Graphics and Computer-Aided Design

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