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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, 2011 ©2011 by The Royal Society
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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,

Jan 12, 2016

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

Controlling spins with light

by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing

Philosophical Transactions AVolume 369(1951):3631-3645

September 28, 2011

©2011 by The Royal Society

Page 2: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 3: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 4: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 5: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 6: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

(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

Page 7: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 8: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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

Page 9: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

(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

Page 10: Controlling spins with light by Andrei Kirilyuk, Alexey V. Kimel, and Theo Rasing Philosophical Transactions A Volume 369(1951):3631-3645 September 28,

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