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Published May 2021 | Published
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Mid-Infrared Cross-Comb Spectroscopy using Sum-Frequency Sampling

Liu, Mingchen ORCID icon
Gray, Robert M.
Roy, Arkadev ORCID icon
Marandi, Alireza ORCID icon
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Abstract

We introduce the cross-comb spectroscopy scheme by sum-frequency sampling of a mid-infrared frequency comb using a near-IR comb with slightly shifted repetition rate. We experimentally demonstrate a 300-nm instantaneous comb-resolved measurement bandwidth around 4 µm.

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© 2021 The Author(s).

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Created:
August 20, 2023
Modified:
October 23, 2023