Low-power integrated optical amplification through second-harmonic resonance

www.nature.com

Low-power integrated optical amplification through second-harmonic resonance

www.nature.com

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NatureEnglish · 24 days ago

Nature, Published online: 28 January 2026; doi:10.1038/s41586-025-09959-z

An integrated optical parametric amplifier on thin-film lithium niobate achieves more than 17 dB gain with less than 200 mW input power.

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