Researchers have created visible lasers of very pure colors from near-ultraviolet to near-infrared that fit on a fingertip. The colors of the lasers can be precisely tuned and extremely fast -- up to ...

In a significant advance for impactful technologies such as quantum optics and laser displays for AR/VR, Columbia Engineering’s Lipson Nanophotonics Group has invented what it calls “the first tunable ...

Vertical-cavity surface-emitting lasers (VCSELs) represent a pivotal class of semiconductor lasers that emit light perpendicular to the wafer surface, enabling compact, energy-efficient and high-speed ...

Vertical-cavity surface-emitting laser (VCSEL) arrays represent a pivotal advancement in semiconductor laser technology. These devices emit light perpendicular to the wafer surface, offering benefits ...

New York, NY—January 4, 2023—As technologies keep advancing at exponential rates and demand for new devices rises accordingly, miniaturizing systems into chips has become increasingly important.