July/August 2020

In the 2020 International Day of Light, some of the very communication technologies made possible by light science helped allow the day’s positive message to shine though.

A Virtual IDL

Plans for the 2020 International Day of Light were in full swing when the pandemic put the world on pause—but the celebration of light science continued, thanks to some creative online outreach.

Navigating Terahertz Spectrum via Photomixing

Photomixers, including recent designs based on plasmonics, can combine tunability, power and room-temperature operation in both THz transmitters and receivers, for applications in 5G communications, astronomy and more.

Lighting with Lasers

Diode laser technology has opened doors for new approaches to illumination—both directional and general—that could challenge LEDs.

Research and Industry News

Looking Beyond 5G

A Photonics Playground

How (and How Not) to Acquire a Mentor

Forecasting During a Pandemic

Surface Plasmon Resonance

Recent Issues

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