This week’s Image of the Week comes from JPhysD article “Flexible and polarization-controllable diffusion metasurface with optical transparency“, Yaqiang Zhuang et al 2017 J. Phys. D: Appl. Phys. 50 465102. Metasurfaces- planar metamaterials of sub-wavelength thickness- are structures with the ability to manipulate electromagnetic waves… Read More ›
Polarization
Image of the week: Polarization conversion using an all-dielectric metasurface.
This week’s Image of the Week is taken from JPhysD article Polarization conversion based on an all-dielectric metasurface for optical fiber applications,Tongming Liu et al 2017 J. Phys. D: Appl. Phys. 50 334001. In this paper the authors propose polarization conversion… Read More ›
Photo-induced ultrafast spin current in a topological insulator
Could ultrashort circularly polarized light pulses be the key for next-generation spintronic devices?
Spontaneous polarization predicted from first-principles
Density functional theory calculations reveal dynamics of ferroelectric phase transition and spontaneous polarization in LaBGeO5.