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<p>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.</p>

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Research highlight: breaking the shot noise limit of mid-infrared dual-comb spectroscopy using intensity-difference squeezing

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月8日

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  • Guanhao Wu,
  • Haoyang Yu

摘要

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.