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Published Online:08 September 2025,
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Guanhao Wu, Haoyang Yu. Research highlight: breaking the shot noise limit of mid-infrared dual-comb spectroscopy using intensity-difference squeezing[J]. eLight, 2025, 5.
Guanhao Wu, Haoyang Yu. Research highlight: breaking the shot noise limit of mid-infrared dual-comb spectroscopy using intensity-difference squeezing[J]. eLight, 2025, 5. DOI: 10.1186/s43593-025-00105-w.
Correlated twin combs generated by seeded four-wave mixing enable quantum correlation-enhanced dual-comb spectroscopy. High signal-to-noise ratio and comb-line-resolvable spectra in the mid-infrared molecular fingerprinting region is achieved by bridging intensity-difference squeezing and dual-comb spectroscopy.
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