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A blue laser for underwater communication and sensing

Optics & Photonics

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Researchers at EPFL have developed a chip-scale blue laser that combines stable light emission with rapid frequency control, opening possibilities for underwater communication, environmental sensing and quantum technologies.

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(1 h ago)
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Phys.org
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Science
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Headline and 28-word snippet. The full article is at the source.

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A laser optics experiment