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Related Experiment Video

Updated: May 30, 2026

Light-Controlled Fermentations for Microbial Chemical and Protein Production

Light-Controlled Fermentations for Microbial Chemical and Protein Production

Published on: March 22, 2022

Controlling spins with light.

Andrei Kirilyuk¹, Alexey V Kimel, Theo Rasing

¹Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences

|August 24, 2011

Summary

This summary is machine-generated.

Researchers generated strong magnetic field pulses using ultrashort laser pulses and the inverse Faraday effect. This opens new avenues for controlling spins in femto-magnetism for spintronics and quantum computing.

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Area of Science:

Magnetism
Optics
Materials Science

Background:

The interaction of ultrashort laser pulses with magnetic materials is a rapidly advancing field.
Recent progress includes sub-picosecond demagnetization and magnetization reversal using femtosecond laser pulses.
This research area holds significant potential for spintronics, data storage, and quantum computation.

Purpose of the Study:

To explore the generation of intense magnetic field pulses using ultrashort laser pulses.
To investigate the application of optically induced magnetic fields for spin manipulation.
To demonstrate the capabilities of femto-magnetism for ultrafast magnetic control.

Main Methods:

Utilizing the inverse Faraday effect to generate magnetic fields.
Employing sub-picosecond laser pulses for interaction with magnetic materials.
Analyzing optically induced magnetic field pulses and their effects on spins.

Main Results:

Demonstrated the generation of ultrashort, high-strength (tesla-level) magnetic field pulses.
Showcased optically induced magnetic fields as a novel tool for spin manipulation.
Illustrated the potential of femto-magnetism through experimental results.

Conclusions:

Opto-magnetic effects, driven by the inverse Faraday effect, offer powerful new ways to control spins.
Ultrashort laser-induced magnetic fields enable manipulation and coherent control of spins on femtosecond timescales.
This research paves the way for advancements in ultrafast magnetism and related technologies.