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We have performed a two-color time-resolved magneto-optical Kerr effect (MOKE) study of a ferromagnetic InMnAs/GaSb heterostructure. We observed ultrafast photo-induced changes in the MOKE signal induced by a large density of spin-polarized…

Materials Science · Physics 2007-05-23 J. Wang , G. A. Khodaparast , J. Kono , T. Slupinski , A. Oiwa , H. Munekata

We present here a generalization of the scattering-matrix approach for the description of the propagation of electromagnetic waves in nanostructured magneto-optical systems. Our formalism allows us to describe all the key magneto-optical…

Optics · Physics 2012-06-08 B. Caballero , A. Garcia-Martin , J. C. Cuevas

We present a theoretical investigation of the yet unexplored ultrafast processes and dynamics of the produced excited carriers upon irradiation of Silicon with femtosecond pulsed lasers in the mid-infrared (mid-IR) spectral region. The…

Optics · Physics 2019-05-15 E. Petrakakis , G. D. Tsibidis , E. Stratakis

We have proposed the use of surface plasmon resonances at the interface of hybrid magneto-photonic heterostructures [Opt. Mat. Exp., 7, 4316 (2017)] for all-optical control of the macroscopic spin orientation in nanostructures in fs time…

We show theoretically that an intense femtosecond optical pulse incident normally on a metal surface tends to decay into a pair of counter-propagating surface plasmon-polaritons (SPPs). The interference field heats the medium periodically,…

Optics · Physics 2022-09-14 Ivan Oladyshkin

We demonstrate theoretically the existence of one-way Tamm plasmon-polaritons on the interface between magnetophotonic crystals and conducting metal oxides. In contrast to conventional surface plasmon-polaritons (SPPs), Tamm…

Optics · Physics 2015-06-11 Hui Yuan Dong , Jin Wang , Tie Jun Cui

The magnetooptic and magnetic properties of hexagonal arrays of holes in optically thin iron films are presented. We analyze their dependence on the hole radius and compare the results to a continuous iron film of same thickness. We observe…

Mesoscale and Nanoscale Physics · Physics 2010-02-18 E. Th. Papaioannou , V. Kapaklis , P. Patoka , M. Giersig , P. Fumagalli , A. Garcia-Martin , E. Ferreiro-Vila , G. Ctistis

Ultra-thin magnetic dielectric films are of prime importance due to their applications for nanophotonics and spintronics. Here, we propose an efficient method for the magneto-optical investigation of ultra-thin magnetic films which allows…

Instrumentation and Detectors · Physics 2018-02-13 O. V. Borovkova , H. Hashim , M. A. Kozhaev , S. A. Dagesyan , A. Chakravarty , M. Levy , V. I. Belotelov

We have observed laser-like emission of surface plasmon polaritons (SPPs) decoupled to the glass prism in an attenuated total reflection setup. SPPs were excited by optically pumped molecules in a polymeric film deposited on the top of the…

Optics · Physics 2009-11-13 M. A. Noginov , G. Zhu , M. F. Mayy , B. A. Ritzo , N. Noginova , V. A. Podolskiy

The magneto-optical activity, namely the polarization conversion capabilities of high-index, non-absorbing, core-shell dielectric nanospheres is theoretically analyzed. We show that, in analogy with their plasmonic counterparts, the…

Mesoscale and Nanoscale Physics · Physics 2016-05-20 N. de Sousa , L. S. Froufe-Pérez , J. J. Sáenz , A. García-Martín

We predict a new type of ultrafast third-order nonlinearity of surface plasmon polaritons (SPP) in planar magneto-plasmonic structures caused by the inverse Faraday effect (IFE). Planar SPPs with a significant longitudinal component of the…

Optics · Physics 2018-07-19 Song-Jin Im , Chol-Song Ri , Kum-Song Ho , Joachim Herrmann

Diffractive and refractive magnetospheric scintillations may allow a direct testing of the plasma inside the light cylinder. Unusual electrodynamics of the strongly magnetized electron-positron plasma allow separation of the magnetospheric…

Astrophysics · Physics 2009-10-31 Maxim Lyutikov

Surface plasmon polaritons (SPPs) propagating along a waveguide working electrode are sensitive to changes in local refractive index, which follow changes in the concentration of reduced and oxidised species near the working electrode. The…

Optics · Physics 2022-06-23 Zohreh Hirbodvash , Elena A. Baranova , Pierre Berini

Ultrafast laser pulses provide unique tools to manipulate magnetization dynamics at femtosecond timescales, where the interaction of the electric field -- such as excitation of spin carriers to non-equilibrium states, generation of…

We report about the existence of magneto-acoustic pulses propagating in a 200-nm-thick ferromagnetic nickel film excited with 120 fs laser pulses. They result from the coupling between the magnetization of the ferromagnetic film and the…

Strongly Correlated Electrons · Physics 2015-06-03 Ji-Wan Kim , Mircea Vomir , Jean-Yves Bigot

The time resolved Magnetooptical Kerr effect in the substrate-strain-induced insulating ferromagnetic phase in (Pr$_{0.6}$Ca$_{0.4}$)MnO$_3$ thin films on two different substrates was measured in a magnetic field up to 1.1T. The…

Strongly Correlated Electrons · Physics 2010-01-08 T. Mertelj , R. Yusupov , A. Gradisek , M. Filippi , W. Prellier , D. Mihailovic

The magneto-optical effect breaks time-reversal symmetry, a unique property that makes it indispensable in nonreciprocal optics and topological photonics. Unfortunately, all natural materials have a rather weak magneto-optical response in…

Optics · Physics 2018-09-24 Lei Ying , Ming Zhou , Xiaoguang Luo , Jingfeng Liu , Zongfu Yu

Control of light by an external magnetic field is one of the important methods for modulation of its intensity and polarisation. Magneto-optical effects at the nanoscale are usually observed in magnetophotonic crystals, nanostructured…

The ultimate control of magnetic states of matter at femtosecond (or even faster) timescales defines one of the most pursued paradigm shifts for future information technology. In this context, ultrafast laser pulses developed into extremely…

Mesoscale and Nanoscale Physics · Physics 2022-03-15 Hanan Hamamera , Filipe Souza Mendes Guimarães , Manuel dos Santos Dias , Samir Lounis

The contribution of the polarization associated with the noncollinear parts of spins in the dielectric permeability tensor of multiferroic materials is considered. As the equilibrium state, we consider the systems of parallel spins, so we…

Materials Science · Physics 2025-05-13 Pavel A. Andreev