Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering

Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering

We theoretically study the mechanism of the all-optical magnetic switching by combining the Rashba effect and stimulated Raman scattering. In hydrogenlike systems, we show that the Rashba effect splits the energy band and stimulated Raman scattering transits the electrons between the lambda three-le...

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Main Authors: Yuhao Zou, Haiwei Wang, Yao Xiao, Zhihao Zeng, Lanlan Huang, Kai Wang, Sicong Wang, Xiangping Li, Changsheng Xie
Format: Article
Language:English
Published: MDPI AG 2018-12-01
Series:Applied Sciences
Subjects:
All-optical switching
Rabi model
Rashba effect
Online Access:http://www.mdpi.com/2076-3417/9/1/102
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spelling doaj-474f78b46326436cb4fc128f890ae4fc2020-11-24T21:18:05ZengMDPI AGApplied Sciences2076-34172018-12-019110210.3390/app9010102app9010102Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman ScatteringYuhao Zou0Haiwei Wang1Yao Xiao2Zhihao Zeng3Lanlan Huang4Kai Wang5Sicong Wang6Xiangping Li7Changsheng Xie8Wuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaSchool of Physics, Huazhong University of Science and Technology, Wuhan 430074, ChinaGuangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, ChinaGuangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, ChinaWuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, ChinaWe theoretically study the mechanism of the all-optical magnetic switching by combining the Rashba effect and stimulated Raman scattering. In hydrogenlike systems, we show that the Rashba effect splits the energy band and stimulated Raman scattering transits the electrons between the lambda three-level system and controls the spin states to reverse the orientation of magnetization. The dynamics of electrons are described with the Lindblad equation in a few hundreds of femtoseconds. We further investigate the influence of laser intensity and wavelength on the probability of spin-flip in a ferromagnetic material, CoPt.http://www.mdpi.com/2076-3417/9/1/102All-optical switchingRabi modelRashba effect
collection DOAJ
language English
format Article
sources DOAJ
author Yuhao Zou
Haiwei Wang
Yao Xiao
Zhihao Zeng
Lanlan Huang
Kai Wang
Sicong Wang
Xiangping Li
Changsheng Xie
spellingShingle Yuhao Zou
Haiwei Wang
Yao Xiao
Zhihao Zeng
Lanlan Huang
Kai Wang
Sicong Wang
Xiangping Li
Changsheng Xie
Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
Applied Sciences
All-optical switching
Rabi model
Rashba effect
author_facet Yuhao Zou
Haiwei Wang
Yao Xiao
Zhihao Zeng
Lanlan Huang
Kai Wang
Sicong Wang
Xiangping Li
Changsheng Xie
author_sort Yuhao Zou
title Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
title_short Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
title_full Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
title_fullStr Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
title_full_unstemmed Theoretical Investigation of Laser Induced Magnetization Reversal by Spin Orbit Coupling and Stimulated Raman Scattering
title_sort theoretical investigation of laser induced magnetization reversal by spin orbit coupling and stimulated raman scattering
publisher MDPI AG
series Applied Sciences
issn 2076-3417
publishDate 2018-12-01
description We theoretically study the mechanism of the all-optical magnetic switching by combining the Rashba effect and stimulated Raman scattering. In hydrogenlike systems, we show that the Rashba effect splits the energy band and stimulated Raman scattering transits the electrons between the lambda three-level system and controls the spin states to reverse the orientation of magnetization. The dynamics of electrons are described with the Lindblad equation in a few hundreds of femtoseconds. We further investigate the influence of laser intensity and wavelength on the probability of spin-flip in a ferromagnetic material, CoPt.
topic All-optical switching
Rabi model
Rashba effect
url http://www.mdpi.com/2076-3417/9/1/102
work_keys_str_mv AT yuhaozou theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT haiweiwang theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT yaoxiao theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT zhihaozeng theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT lanlanhuang theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT kaiwang theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT sicongwang theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT xiangpingli theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
AT changshengxie theoreticalinvestigationoflaserinducedmagnetizationreversalbyspinorbitcouplingandstimulatedramanscattering
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