The largest radio telescope FAST detects 90% circular polarization and rapidly changing linear polarization in the bursts of a fast radio burst (FRB) repeater, imposing new constraint on radiative ...

Left and right circularly polarized light, where the electromagnetic waves spiral in a clockwise ... Review Letters paper "Enabling all-to-circular polarization up-conversion by nonlinear chiral ...

Schematic of chiral terahertz generation and control: A femtosecond laser interacts with a patterned spintronic emitter, producing elliptically or circularly polarized terahertz waves. Rotating ...