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Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity

Published by National Institute of Standards and Technology | National Institute of Standards and Technology | Catalog Last Checked: August 02, 2025 at 02:29 PM | Dataset Last Updated: May 18, 2021
Data from peer-reviewed publication: G. Zhao et al., Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity, Optics Letters. Frequency-stabilized mid-infrared lasers are valuable tools for precision molecular spectroscopy. However, their implementation remains limited by complicated stabilization schemes. Here we achieve optical self-locking of a quantum cascade laser to the resonant leak-out field of a highly mode-matched two-mirror cavity. The result is a simple approach to achieving ultra-pure frequencies from high-powered mid-infrared lasers. For short time scales (<0.1 ms), we report a linewidth reduction factor of 3×10^(-6) to a linewidth of 12 Hz. Furthermore, we demonstrate two-photon cavity-enhanced absorption spectroscopy of an N2O overtone transition near a wavelength of 4.53 um.

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  • DOI Access for Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity

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  • Fig. 1: Conceptualization and model for a quantum cascade laser coupled to a Fabry-Perot cavity by weak optical feedback.

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  • SHA256 File for Fig. 1: Conceptualization and model for a quantum cascade laser coupled to a Fabry-Perot cavity by weak optical feedback.

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  • Fig. 4: QCL line width analysis - power spectral densities

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  • SHA256 File for Fig. 4: QCL line width analysis - power spectral densities

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  • Fig. 5: Two-photon absorption spectroscopy of N2O in the mid-infrared

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  • SHA256 File for Fig. 5: Two-photon absorption spectroscopy of N2O in the mid-infrared

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  • Read me file

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  • SHA256 File for Read me file

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Complete Metadata
@type dcat:Dataset
accessLevel public
accrualPeriodicity irregular
bureauCode 
[
  "006:55"
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contactPoint 
{
  "fn": "Adam Fleisher",
  "hasEmail": "mailto:adam.fleisher@nist.gov"
}
description Data from peer-reviewed publication: G. Zhao et al., Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity, Optics Letters. Frequency-stabilized mid-infrared lasers are valuable tools for precision molecular spectroscopy. However, their implementation remains limited by complicated stabilization schemes. Here we achieve optical self-locking of a quantum cascade laser to the resonant leak-out field of a highly mode-matched two-mirror cavity. The result is a simple approach to achieving ultra-pure frequencies from high-powered mid-infrared lasers. For short time scales (<0.1 ms), we report a linewidth reduction factor of 3×10^(-6) to a linewidth of 12 Hz. Furthermore, we demonstrate two-photon cavity-enhanced absorption spectroscopy of an N2O overtone transition near a wavelength of 4.53 um.
distribution 
[
  {
    "title": "DOI Access for Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity",
    "accessURL": "https://doi.org/10.18434/mds2-2409"
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    "title": "Fig. 1:  Conceptualization and model for a quantum cascade laser coupled to a Fabry-Perot cavity by weak optical feedback.",
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identifier ark:/88434/mds2-2409
issued 2021-05-20
keyword 
[
  "Environment and Climate",
  "diode lasers",
  "greenhouse gases",
  "laser metrology",
  "laser stabilization",
  "marine mammals",
  "nitrous oxide",
  "oceans",
  "optical resonators",
  "ph",
  "quantum cascade lasers",
  "remote sensing",
  "seabirds",
  "two-photon absorption"
]
landingPage https://data.nist.gov/od/id/mds2-2409
language 
[
  "en"
]
license https://www.nist.gov/open/license
modified 2021-05-18 00:00:00
programCode 
[
  "006:045"
]
publisher 
{
  "name": "National Institute of Standards and Technology",
  "@type": "org:Organization"
}
references 
[
  "https://doi.org/10.1364/OL.427083"
]
theme 
[
  "Chemistry:Analytical chemistry",
  "Environment:Greenhouse gas measurements",
  "Metrology:Optical, photometry, and laser metrology",
  "Physics:Spectroscopy"
]
title Frequency stabilization of a quantum cascade laser by weak resonant feedback from a Fabry-Perot cavity

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