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1.5×1.5mm quantum cascade laser has a surface emission of 5W

https://www.electronics-lab.com/1-5x1-5mm-quantum-cascade-laser-surface-emission-5w/

Improving on previously published room-temperature large-area photonic crystals (PhCs) Quantum cascade lasers (QCLs), researchers from ETH Zurich have fabricated a device with 5W surface-emitting peak power when driven in pulsed operation. by Julien Happich @ eenewseurope.com Their paper “Large area photonic crystal quantum cascade laser with 5 W surface-emitting power” published in the Optics Express […]

Artificial Magnetic Fields For Photons

https://www.electronics-lab.com/artificial-magnetic-fields-photons/

Photons became a hot research topic due to their important role in holding data across long distances. Starting from the fact that photons are insensitive to magnetic fields which concludes to their disability to process data, a group of researchers from the ETH (Eidgenössische Technische Hochschule) in Zürich are trying to make photons controlled with electric fields […]