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High‐Power Mid‐IR Few‐Cycle Frequency Comb from Quadratic Solitons in an Optical Parametric Oscillator

Liu, Mingchen and Gray, Robert M. and Roy, Arkadev and Ingold, Kirk A. and Sorokin, Evgeni and Sorokina, Irina and Schunemann, Peter G. and Marandi, Alireza (2022) High‐Power Mid‐IR Few‐Cycle Frequency Comb from Quadratic Solitons in an Optical Parametric Oscillator. Laser and Photonics Reviews . Art. No. 2200453. ISSN 1863-8880. doi:10.1002/lpor.202200453. (In Press) https://resolver.caltech.edu/CaltechAUTHORS:20221011-459043000.21

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Abstract

Powerful and efficient optical frequency combs in the mid-infrared (MIR) spectral region are highly desirable for a broad range of applications. Despite extensive efforts utilizing various techniques, MIR frequency comb sources are still lacking power, efficiency, or bandwidth for many applications. Here, the generation of an intrinsically locked frequency comb source centered at 4.18 µm from an optical parametric oscillator (OPO) operating in the simulton regime is reported, in which formation of purely quadratic solitons leads to enhanced performance. Advantages of operation in the simulton regime in direct experimental comparisons to the conventional regime are shown, which are also supported by simulation and theory. 565 mW of average power, 900 nm of instantaneous 3 dB bandwidth, 350% slope efficiency, and 44% conversion efficiency are achieved, a performance that is superior to previous OPO demonstrations and other sources in this wavelength range. Here, a new avenue toward MIR frequency comb generation with high power and efficiency is opened, and the great potential of soliton generation based on quadratic nonlinearity in the MIR spectral region is suggested.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1002/lpor.202200453DOIArticle
ORCID:
AuthorORCID
Liu, Mingchen0000-0002-0649-8976
Marandi, Alireza0000-0002-0470-0050
Additional Information:M.L. and R.M.G. contributed equally to this work. The authors gratefully acknowledge support from National Aeronautics and Space Administration (NASA)/Jet Propulsion Laboratory (JPL). This article was funded by Air Force Office of Scientific Research (AFOSR) award FA9550-20-1-0040, National Science Foundation (NSF) Grant No. 1846273.
Funders:
Funding AgencyGrant Number
NASA/JPLUNSPECIFIED
Air Force Office of Scientific Research (AFOSR)FA9550-20-1-0040
NSFECCS-1846273
DOI:10.1002/lpor.202200453
Record Number:CaltechAUTHORS:20221011-459043000.21
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20221011-459043000.21
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:117332
Collection:CaltechAUTHORS
Deposited By: Donna Wrublewski
Deposited On:12 Oct 2022 22:13
Last Modified:12 Oct 2022 22:13

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