All-optical magnetization switching by two-frequency pulses using the plasmon-induced inverse Faraday effect in a magneto-plasmonic structure

Abstract

In this Letter we study the generation of quasi-static magnetic fields by the plasmon-induced inverse Faraday effect and propose a magneto-optical waveguide structure for achieving magnetization switching at sub-ps time in a nano-confined magneto-optical structure. In particular we show that the direction of the generated quasi-static field in a magneto-optical dielectric cavity side-coupled to a metal-insulator-metal (MIM) waveguide depends sensitively on the wavelength of the surface plasmon polaritions (SPP). This phenomenon could open up a new energy-efficient ultrafast method for nano-confined all-optical magnetization switching by two-frequency pulses.

References in corpus (5)

• Ab Initio Theory of Coherent Laser-Induced Magnetization in Metals
• Sub-diffraction sub-100 ps all-optical magnetic switching by passive wavefront shaping
• Surface plasmon-mediated nanoscale localization of laser-driven sub-THz spin dynamics in magnetic dielectrics
• Manipulation of Ferromagnets via the Spin-Selective Optical Stark Effect
• Third-order nonlinearity by the inverse Faraday effect in planar magnetoplasmonic structures

Cited by in corpus (6)

• Inverse-Faraday effect from the orbital angular momentum of light
• Optically induced nonreciprocity by a plasmonic pump in semiconductor wires
• Heisenberg representation of nonthermal ultrafast laser excitation of magnetic precessions
• Plasmonic dichroism and all-optical magnetization switching in nanophotonic structures with GdFeCo
• Optical excitation and probing of the antiferromagnetic modes with non-uniform in-depth distribution in birefringent antiferromagnetic crystals
• Layer-Selective Magnetization Switching in the Chirped Photonic Crystal with GdFeCo