Architecture for microcomb-based GHz-mid-infrared dual-comb spectroscopy

Chengying Bao; Zhiquan Yuan; Lue Wu; Myoung-Gyun Suh; Heming Wang; Qiang Lin; Kerry J. Vahala

doi:10.1038/s41467-021-26958-6

Nature Communications (Nov 2021)

Architecture for microcomb-based GHz-mid-infrared dual-comb spectroscopy

Chengying Bao,
Zhiquan Yuan,
Lue Wu,
Myoung-Gyun Suh,
Heming Wang,
Qiang Lin,
Kerry J. Vahala

Affiliations

Chengying Bao: T. J. Watson Laboratory of Applied Physics, California Institute of Technology
Zhiquan Yuan: T. J. Watson Laboratory of Applied Physics, California Institute of Technology
Lue Wu: T. J. Watson Laboratory of Applied Physics, California Institute of Technology
Myoung-Gyun Suh: T. J. Watson Laboratory of Applied Physics, California Institute of Technology
Heming Wang: T. J. Watson Laboratory of Applied Physics, California Institute of Technology
Qiang Lin: Department of Electrical and Computer Engineering, University of Rochester
Kerry J. Vahala: T. J. Watson Laboratory of Applied Physics, California Institute of Technology

DOI: https://doi.org/10.1038/s41467-021-26958-6
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

Read online

Chip-based architectures for mid-infrared gas sensing could enable many applications. In this direction, the authors demonstrate a microcomb-based dual-comb spectroscopy sensor with GHz resolution in the mid-IR band, with stability completely determined by a single high-Q microresonator.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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