Lasers & Sources

Credit: Bright Lu
Euler bend simulation.
By using Euler curves, in which curvature changes linearly, researchers “trick” light into staying in fundamental mode despite tight bends around a chalcogenide photonic integrated...
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
Photonics West 2026 PI
Feb. 11, 2026
Photonics West MKS
Feb. 11, 2026

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