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Laboratory of Microwave Photonics and Magnonics named by B.A.Kalinikos

Invited researcher Kostylev Mikhail Pavlovich
Time span of the project
General information

Artificial neural networks (ANN) are mathematical models simulating the work of the brain. The governments of various countries are fully supportive of developments in this domain, as they are able to lead to significant progress in many fields of technology. Reservoir computing is a special type of ANN that has an important advantage that is the easy and fast method of network training. The most important part of this network is the «reservoir». It has been demonstrated that a non-linear dynamic system can work as a reservoir. This has lead to the introduction of a a new research area — "physical reservoir computing (PRC). The research in this field is lead by physicists. Their ultimate goal is to find a physical system that possesses the best characteristics from the viewpoint of the requirements on PRC devices and can become a standard platform for PRC similarly to what the complementary metal-oxide-semiconductor technology has become in the field of common digital computers.

Mikhail P. Kostylev has proposed a new magnon spintronic (or simply magnonic) implementation of PRCs. It is based on active spin wave microwave active ring resonator. The main part of this physical system is a thin magnetic film in which propagating spin waves (or magnons) can spread in the strongly non-linear mode. Experiments conducted at the leading scientist's laboratory at the University of Western Australia have shown that this concept has quite a significant potential.

Name of the project: Reservoir computers based on the principles of magnonics as a new direction of artificial neural networks

Strategy for Scientific and Technological Development Priority Level: а

Goals and objectives

The objective of the project is to transfer the experience in the field of magnonic PRCs accumulated at the University of Western Australia, the Saint Petersburg Electrotechnical University («‎LETI»), as well as to continue the study of the physics of the processes behind this concept on the grounds of «‎LETI». The new obtained knowledge will determine the focus of the international research in this field over many years after the completion of the project.

The practical value of the study

Projected research results: 

Over the course of the project, the following new important information will be obtained:

  • General data on the feasibility of the use of devices based on propagating spin waves as physical reservoirs (PRs);
  • Methods of improvement of the productivity of spin-wave systems used in PRs;
  • Methods of design and production of high-efficiency magnonic PRs;
  • A method of solving of concrete computational tasks using magnonic PRs;
  • The feasibility of the use of magnonic PRs as smart sensors.

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