Magnetic information manipulation into polarized light using electrical pulses, for long-distance optical telecommunication

https://phys.org/news/2024-03-earth-mars.html

"transfer spin information from electrons to photons using electric control at room temperature without need of magnetic field... electrically modulate magnetization changing emitted light's helicity (light through its circular polarization), as spin carrier enabled by Spin-LEDs' spin-orbit coupling... neuromorphic AI computing, data centers (Light-Fidelity), optical communication, quantum technologies, semiconductor laser diode (spin-laser) outer-space communication (light polarization conserved in space propagation)"