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All-Optical Magnetic Recording with Circularly Polarized Light
Open accessAbstract
We experimentally demonstrate that the magnetization can be reversed in a reproducible manner by a single 40 femtosecond circularly polarized laser pulse, without any applied magnetic field. This optically induced ultrafast magnetization reversal previously believed impossible is the combined result of femtosecond laser heating of the magnetic system to just below the Curie point and circularly polarized light simultaneously acting as a magnetic field. The direction of this opto-magnetic switching is determined only by the helicity of light. This finding reveals an ultrafast and efficient pathway for writing magnetic bits at record-breaking speeds.
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Citations
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Photonics of time-varying media
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Low‐Dimensional Metal Halide Perovskite Photodetectors
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Metadata
- Authors
- Stanciu, C. D., Hansteen, F., Kimel, A. V., Kirilyuk, A., Tsukamoto, A., Itoh, A., & Rasing, T.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2007-07-25
- Volume
- 99
- Issue
- 4
- Pages
- 047601-047601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2045199537
- Cited by
- 1,555
- References
- 0
- FWCI
- 20.98
- Type
- journal article
- Language
- en
- Open access
- green
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- Stanciu, C. D., Hansteen, F., Kimel, A. V., Kirilyuk, A., Tsukamoto, A., Itoh, A., & Rasing, T. (2007). All-Optical Magnetic Recording with Circularly Polarized Light. Physical Review Letters. https://doi.org/10.1103/physrevlett.99.047601
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
