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Anirban Dey

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Preprint Sep 2026

Limits for molecular spectroscopy from quantum channel discrimination

Absorption spectroscopy identifies molecules by detecting frequency-dependent optical loss, and its fundamental limit is a quantum channel-discrimination problem. In this work, we develop a general framework for characterizing the ultimate quantum limit of molecular absorption spectroscopy without collective measuremen...

Anirban Dey, Akib Karim, P. Kok et al. · 0 citations

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