The field of all‐optical logic circuits has garnered significant attention in recent years, particularly with the integration of micro‐ring resonators to process information entirely via light. These ...

The micro-resonator being activated by a semi-conductor laser. Credit: 2023 EPFL/Alain Herzog—CC-BY-SA 4.0. The team at EPFL's Photonic Systems Laboratory (PHOSL) has developed a chip-scale laser ...

EPFL researchers have developed a hybrid device that significantly improves existing, ubiquitous laser technology. The team at EPFL’s Photonic Systems Laboratory (PHOSL) has developed a chip-scale ...

Fifteen years ago, UC Santa Barbara electrical and materials professor John Bowers pioneered a method for integrating a laser onto a silicon wafer. The technology has since been widely deployed in ...

Engineers have invented a breakthrough optical phase modulator that controls visible light -- without dimming it -- with the smallest footprint and lowest power consumption. New device will improve ...

Integrated photonics is a rapidly-evolving industry sector, with infrared spectrum applications including high-speed 5G networks, biosensors on chip, and driverless cars. Researchers are now exploring ...

Fifteen years ago, an electrical and materials professor pioneered a method for integrating a laser onto a silicon wafer. The technology has since been widely deployed in combination with other ...

Green laser pointers have existed for 25 years, but they produce light only in a narrow spectrum of green and are not integrated in chips where they could work together with other devices to perform ...

The team at EPFL's Photonic Systems Laboratory (PHOSL) has developed a chip-scale laser source that enhances the performance of semiconductor lasers while enabling the generation of shorter ...