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Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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Presentation on theme: "Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,"— Presentation transcript:

1 Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28, 2011 ©2011 by The Royal Society

2 Magnetic excitations in DyFeO3 probed by the magneto-optical Faraday effect at T=95 K. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

3 The amplitude of the spin oscillations as a function of pump fluence for the same sample and conditions as in figure 1 [22]. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

4 Coherent control of spins in DyFeO3 with two circularly polarized laser pulses at T=95 K. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

5 Spin switching in HoFeO3. Γ12 and Γ24 are the two metastable phases present between 38 and 52 K. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

6 (a) Numerical simulations and (b) experimental observation at T= 50.5 K of inertia-driven spin switching in HoFeO3. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

7 The effect of single 40 fs circularly polarized laser pulses on the magnetic domains in Gd22Fe74.6Co3.4. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

8 The magnetization evolution in Gd24Fe66.5Co9.5 after the excitation with right- (σ+) and left- handed (σ−) circularly polarized pulses at room temperature. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

9 (a) Phase diagram showing the magnetic state of the 30 nm3 volume achieved within 10 ps after the action of the opto-magnetic pulse with parameters Heff=20 T, Δteff and T*el. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society

10 Demonstration of compact all-optical recording of magnetic bits. Andrei Kirilyuk et al. Phil. Trans. R. Soc. A 2011;369:3631- 3645 ©2011 by The Royal Society


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