Dynamic coupling of spin torque oscillators for associative memories

• Published in: Proceedings (International Workshop on Cellular Neural Networks and Their Applications) pp. 1 - 2
• Main Authors: Horvath, Andras, Csaba, Gyorgy, Porod, Wolfgang
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.07.2014
• Subjects: Arrays; cellular-wave computers; Couplings; Oscillators; oscillatory neurocomputers; spin torque oscillators; Synchronization; Torque; Vectors
• ISSN: 2165-0144
• DOI: 10.1109/CNNA.2014.6888662

Spin torque nanodevices could be possible candidates for future architectures, they small size and low power consumption makes them a possible option for beyond Moore's law computation. Coupling of individual oscillators can be done by many different methods (e.g.: spin-wave coupling or electrical coupling). These couplings are usually static and wired for a specific array, resulting a specific functionality and it can not be changed dynamically. Coupling a large number of oscillators will require a large number of coupling elements for programmable coupling. In this paper we will show who spin torque oscillators can be coupled by common frequencies via a common coupling signal. This way a large number of oscillators can be coupled simultaneously and their coupling can be altered dynamically.