Lasers & Sources

Credit: University of Sydney
Professor Xiaoke Yi in the lab with her group’s AI nanophotonic chip prototype.
Artificial intelligence (AI) chip using photons in place of electrons acts as a photonic neural network accelerator—computation is performed directly through optical propagation...
March 24, 2026
Credit: Bloom Lasers
Every manufacturing step to build a Bloom laser is accompanied by measurements from the beam propagation system.
March 20, 2026
Credit: Bright Lu
Euler bend simulation.
March 18, 2026
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Following the Photons: A Photonics Podcast
March 17, 2026
Credit: Christopher Payne/Esto
EXTREME ULE glass.
March 12, 2026
Illustration by Yi Yu
DTU nanolaser is constructed in a semiconductor membrane that causes electrons and light to gather within a confined space (blue shadow).
March 9, 2026
Credit: Sheetak
FIGURE 1. Operating principle of a thermoelectric cooler based on the Peltier effect: When current flows through the semiconductor elements between ceramic substrates, heat is absorbed at the cold side and rejected at the hot side to create a controlled temperature differential across the device.
Feb. 25, 2026
Credit: Shaghayegh Yaraghi
FIGURE 1. Conventional vs. resonance-free Fabry-Pérot cavity concepts: (a) A conventional cavity with its spectral response and (b) “resonance-free” cavity with its possible spectral response.
Feb. 18, 2026
Credit: Scintil Photonics
Scintil’s LEAF Light addresses the fabric bottleneck in AI clusters by integrating multiple DWDM laser channels onto a single chip. Increasing bandwidth per fiber instead of fiber count enables higher edge bandwidth density and improved energy efficiency within copackaged optical architectures.
Feb. 17, 2026

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