Spin-Torque Nano-Oscillator as a Microwave Signal Source (PREPRINT)

Abstract

We evaluate a possibility to use spin-torque nano-oscillators (STNOs) and oscillator arrays as new sources of microwave signals for telecommunication devices. The microwave signal generated by STNO can be received as oscillation of the device magnetoresistance (MR) or as direct electromagnetic emission of two effective magnetic dipoles. We calculate the dipolar microwave power emitted by STNO in free space and in several types of transmission lines and resonators. We demonstrate that, although the power of a single STNO received through the MR effect is, typically, larger than the power of direct microwave emission of effective dipoles, the latter mechanism might have an advantage for sufficiently large arrays of coupled STNOs.

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Document Details

Document Type
Technical Report
Publication Date
Apr 18, 2010
Accession Number
ADA526684

Entities

People

  • Andrei Slavin
  • Elena Bankowski
  • Oleksandr Prokopendo
  • Thomas Meitzler
  • Vasil Tiberkevich

Organizations

  • Taras Shevchenko National University of Kyiv

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Dipoles
  • Electromagnetic Fields
  • Emission
  • Far Field
  • Frequency
  • Magnetic Dipoles
  • Magnetic Fields
  • Magnetization
  • Magnetoresistance
  • Microwaves
  • Near Field
  • Oscillators
  • Precession
  • Resonators
  • Transmission Lines
  • Universities

Fields of Study

  • Physics

Readers

  • Game Theory.
  • Plasma Physics / Magnetohydrodynamics
  • Quantum Dot Semiconductor Device Photonics and Graphene Optoelectronic Materials and THz Physics.

Technology Areas

  • Space
  • Space - Hall-Effect Thruster