Optics

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Episode 81 of Following the Photons: A Photonics Podcast features Dirk Hauschild, a senior strategic marketing expert with Focuslight Technologies.
Dec. 9, 2025
Credit: CCraft
Processing of lithium niobate wafers.
Dec. 8, 2025
Technological advancements in silicon photonics paving the way to 400G per channel.
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Dec. 4, 2025
Credit: NASA 2018
International Space Station (ISS).
Dec. 3, 2025
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Dec. 2, 2025
Credit: Exail
Exail’s Er-doped and Er:Yb-doped optical fibers enable the development of low-noise optical amplifiers and high-power optical amplifiers for flying payloads and for optical feeder links in OGSs.
Dec. 1, 2025
Credit: Mikael Nyberg
Part of the team’s reflectivity k-space setup. Credit: Mikael Nyberg
Nov. 26, 2025
Credit: Kunyan Zhang/University of California, Berkeley
A two-layer Janus TMD converts light through second harmonic generation (SHG), in which the material emits light at twice the frequency of the incoming beam (left). The SHG beam usually forms a six-pointed flower shape, but certain wavelengths of light distort it. Upper right: Symmetrical flower pattern in gray and asymmetrical SHG signal pattern in red. Lower right: Optical image of a sample. Credit: Kunyan Zhang/University of California, Berkeley
Nov. 25, 2025
Credit: Na Chen, Hanchao Teng, and Hai Hu
Illustration of nanolight pseudo-birefringence. Credit: Na Chen, Hanchao Teng, and Hai Hu
Nov. 24, 2025

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