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

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

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

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

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

(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

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

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

(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

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