Members: Or Stein, Reem Kolodni
Supervisor: Prof. Amir Capua, Benjamin Assouline
Magnetic Reaction of Metal to Light: Numerical Simulation to Determine Light Power for Optical Switching The concept of optical switching has garnered significant interest due to its potential applications in advanced photonic devices. By leveraging light waves in combination with the Hall effect, novel detectors can be designed with enhanced sensitivity and precision. This project aims to refine the light characteristics necessary to induce significant magnetic reactions in various metals, facilitating the development of efficient optical switching mechanisms.
The study primarily revolves around the Landau-Lifshitz-Gilbert (LLG) equation, which describes the dynamics of magnetization in materials, and the Hall effect, which relates to the generation of a voltage difference transverse to an electric current in the presence of a magnetic field. These fundamental principles are pivotal in understanding the interactions between light and magnetic materials.
The research employs numerical simulation techniques to analyze two main aspects:
- Changes in the internal magnetization of the material when exposed to light.
- Alterations in the light properties due to its interaction with the material.
These simulations help determine the specific light power required to achieve optical switching in different metals, providing critical insights for the design of efficient optical devices.