Title :
Computational Study of Spin-Torque Oscillator Interactions for Non-Boolean Computing Applications
Author :
Csaba, Gyorgy ; Porod, Wolfgang
Author_Institution :
Dept. Electr. Eng., Univ. of Notre Dame, Notre Dame, IN, USA
Abstract :
We present a bottom-up approach for building non-Boolean signal processing devices from coupled spin-torque oscillators (STOs). We use micromagnetic simulations to study frequency-locking properties of electrically connected out-of plane magnetized STOs. After developing and verifying compact models for interacting STOs, we show that the frequency locking of STOs exhibits associative properties. Coupled STO networks therefore may be used as building blocks of non-Boolean pattern matching circuitry.
Keywords :
Boolean functions; magnetoelectronics; micromagnetics; neural nets; pattern matching; signal processing; associative properties; bottom-up approach; compact models; coupled STO networks; frequency locking; frequency-locking properties; micromagnetic simulations; nonBoolean computing applications; nonBoolean pattern matching circuitry; nonBoolean signal processing devices coupled spin-torque oscillators; out-of plane magnetized STO; spin-torque oscillator interactions; Computational modeling; Couplings; Frequency synchronization; Integrated circuit interconnections; Neural networks; Oscillators; Synchronization; Magnetic computing devices; micromagnetic modeling; oscillator synchronization; oscillatory neural networks; spin torque oscillators;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2013.2244202
