Silicon-chip-based mid-infrared dual-comb spectroscopy

Nature Communications
Mengjie YuAlexander L Gaeta

Abstract

The development of a spectroscopy device on a chip that could realize real-time fingerprinting with label-free and high-throughput detection of trace molecules represents one of the big challenges in sensing. Dual-comb spectroscopy (DCS) in the mid-infrared is a powerful technique offering high acquisition rates and signal-to-noise ratios through use of only a single detector with no moving parts. Here, we present a nanophotonic silicon-on-insulator platform designed for mid-infrared (mid-IR) DCS. A single continuous-wave low-power pump source generates two mutually coherent mode-locked frequency combs spanning from 2.6 to 4.1 μm in two silicon microresonators. A proof-of-principle experiment of vibrational absorption DCS in the liquid phase is achieved acquiring spectra of acetone spanning from 2900 to 3100 nm at 127-GHz (4.2-cm-1) resolution. These results represent a significant step towards a broadband, mid-IR spectroscopy instrument on a chip for liquid/condensed matter phase studies.

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Citations

Aug 14, 2019·Physical Chemistry Chemical Physics : PCCP·Pei-Ling LuoYu-Chan Guan
Aug 4, 2018·Nature Communications·Zaijun ChenNathalie Picqué
May 6, 2019·Optics Express·Md Borhan MiaSangsik Kim
Feb 28, 2020·Micromachines·Iolanda RicciardiMaurizio De Rosa
Oct 10, 2018·Nature·Brian SternMichal Lipson
Apr 16, 2019·Optics Letters·Lukasz A SterczewskiGerard Wysocki
Nov 9, 2019·Physical Review Letters·Jae K JangAlexander L Gaeta
Aug 30, 2019·Optics Letters·Mengjie YuAlexander L Gaeta
May 14, 2020·Applied Optics·Jordan A DavisYeshaiahu Fainman
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Apr 6, 2019·Nature Communications·Davide GrassaniCamille-Sophie Brès
Mar 4, 2020·Optics Express·Xinyang XuHanzhong Wu
Sep 13, 2019·Optics Express·Lukasz A SterczewskiGerard Wysocki
May 15, 2020·Optics Express·Lucas DenielDelphine Marris-Morini
Sep 14, 2019·Optics Letters·Bok Young KimAlexander L Gaeta
Feb 14, 2019·Proceedings of the National Academy of Sciences of the United States of America·Zaijun ChenNathalie Picqué
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Jan 13, 2021··Nathalie Picqué
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Sep 14, 2020··Zaijun ChenNathalie Picqué

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