A gallium phosphide photonic chip featuring multiple spiral waveguides and other test structures. Credit: Nikolai Kuznetsov (EPFL) Scientists at EPFL ...

A focus-stacked macro photograph of a fabricated gallium phosphide photonic chip featuring multiple spiral waveguides and other test structures. The chip width is just 0.55 cm across. Due to the ...

Researchers from EPFL and IBM have developed a groundbreaking photonic-chip-based traveling-wave parametric amplifier (TWPA) ...

EPFL researchers have experimentally observed both first- and second-order dissipative phase transitions (DPTs) in a ...

The researchers built the device with an electron-blocking layer made of aluminium gallium arsenide phosphide (AlGaAsP), instead of more commonly used gallium indium phosphide (GaInP), that was ...

A group of scientists led by the Universidad Complutense de Madrid in Spain has fabricated an intermediate band (IB) solar cell based on gallium phosphide (Gap) and titanium (Ti) for the first time.

The ability of new blue-light semiconductor lasers to better perform precision cutting, patterning or welding of copper will make electrical and electronic component manufacturing cheaper and more ...

A focus-stacked macro photograph of a fabricated gallium phosphide photonic chip featuring multiple spiral waveguides and other test structures. The chip width is just 0.55 cm across. Due to the ...

Using gallium phosphide-on-silicon dioxide technology, the new amplifier attains a net gain of over 10 dB across a bandwidth of approximately 140 nm -- three times wider than a conventional C-band ...