High-performance nanophotonic devices require extreme depth-to-diameter ratios, which are notoriously difficult to fabricate.

Before you drop hundreds on waveguide glasses, here's why today's models still aren't quite ready for everyday use—and what needs to change. I’m PCMag’s home theater and AR/VR expert, and your go-to ...

A new technical paper titled “Advances in waveguide to waveguide couplers for 3D integrated photonic packaging” was published by researchers at MIT and Bridgewater State University. “In this paper, we ...

Lumus, the company that developed the waveguide optic used in Meta’s Ray-Ban Display smart glasses, says it has achieved a 70° field-of-view in a new design revealed this week at CES 2026. This ...

Lumus got a major boost in brand recognition when one of its waveguides was selected for use in the Meta Ray-Ban Display glasses. But that already feels like old tech now because at CES 2026, the ...

Traditional wired systems have their own limitations in industrial settings. For example, conductor bars are restricted to analog signals, festoons and cable reels are limited to 330 feet for Ethernet ...

We're very happy to announce that we've achieved a breakthrough in high-volume production of Geometric Reflective waveguides. This marks a key advancement for augmented reality (AR) devices, such as ...

I’m PCMag’s home theater and AR/VR expert, and your go-to source of information and recommendations for game consoles and accessories, smart displays, smart glasses, smart speakers, soundbars, TVs, ...