Optics

Veeco’s GEN2000 molecular beam epitaxy (MBE) system.

Quantum dot lasers may unlock next era of AI optical interconnects

A misconception about quantum dot lasers (QDLs) is they’re poised to replace indium phosphide (InP) technology. But InP externally modulated lasers (EMLs) will continue serving...

Oct. 21, 2026

PODCAST: Formula E on pace at COMSOL Conference 2026

Following the Photons: A Photonics Podcast

Oct. 20, 2026

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Choosing the right gain fiber for your laser or amplifier

Oct. 15, 2026

Resources

Don't miss Laser Focus World’s PhotonicsNXT 2026 virtual event!

Oct. 13, 2026

FIGURE 1. An echelle spectrograph disperses input light into multiple overlapping orders using a steep-blazed grating. A grism separates these orders perpendicularly and produces a 2D array of parallel spectra that are focused onto a CCD detector.

Advanced echelle gratings enable high-precision exoplanet detection

Oct. 9, 2026

From pixels to optical links: MicroLEDs pivot to copackaged optics

Oct. 8, 2026

Henri B. Kagan (left) and Kenso Soai (right), winners of the 2026 Nobel Prize in Chemistry.

Discovery of ‘how and why’ homochirality emerges receives 2026 Nobel Prize in Chemistry

Oct. 7, 2026

FIGURE 1. Stray light missing the primary mirror and reaching the detector.

Virtual prototyping before hardware: From optical design to system performance

Oct. 5, 2026

Tailor-made, large nonlinearities within nanophotonic devices?

Oct. 1, 2026