From Raman Frequency Combs to Supercontinuum Generation in Nitrogen‐Filled Hollow‐Core Anti‐Resonant Fiber

Shou-Fei Gao; Ying-Ying Wang; Federico Belli; Christian Brahms; Pu Wang; John C. Travers

doi:10.1002/lpor.202100426

From Raman Frequency Combs to Supercontinuum Generation in Nitrogen‐Filled Hollow‐Core Anti‐Resonant Fiber

Shou-Fei Gao, Ying-Ying Wang, Federico Belli, Christian Brahms, Pu Wang, John C. Travers

Research output: Contribution to journal › Article › peer-review

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Abstract

A route to supercontinuum generation in gas-filled hollow-core anti-resonant fibers is demonstrated through the creation of a broad vibrational Raman frequency comb followed by continuous broadening and merging of the comb lines through either rotational Raman scattering or the optical Kerr effect. The demonstration experiments, utilizing a single pump pulse with 20 ps duration at 532 nm in a nitrogen-filled fiber, produce a supercontinuum spanning from 440 to 1200 nm, with an additional deep ultraviolet continuum from 250 to 360 nm. Numerical results suggest that this approach can produce even broader supercontinuum spectra extending from the ultraviolet to mid-infrared.

Original language	English
Article number	2100426
Journal	Laser and Photonics Reviews
Volume	16
Issue number	4
Early online date	24 Jan 2022
DOIs	https://doi.org/10.1002/lpor.202100426
Publication status	Published - Apr 2022

Keywords

hollow-core fibers
nonlinear fiber optics
optical fibers
stimulated Raman scattering
supercontinuum

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1002/lpor.202100426Licence: CC BY-NC

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title = "From Raman Frequency Combs to Supercontinuum Generation in Nitrogen‐Filled Hollow‐Core Anti‐Resonant Fiber",

abstract = "A route to supercontinuum generation in gas-filled hollow-core anti-resonant fibers is demonstrated through the creation of a broad vibrational Raman frequency comb followed by continuous broadening and merging of the comb lines through either rotational Raman scattering or the optical Kerr effect. The demonstration experiments, utilizing a single pump pulse with 20 ps duration at 532 nm in a nitrogen-filled fiber, produce a supercontinuum spanning from 440 to 1200 nm, with an additional deep ultraviolet continuum from 250 to 360 nm. Numerical results suggest that this approach can produce even broader supercontinuum spectra extending from the ultraviolet to mid-infrared.",

keywords = "hollow-core fibers, nonlinear fiber optics, optical fibers, stimulated Raman scattering, supercontinuum",

author = "Shou-Fei Gao and Ying-Ying Wang and Federico Belli and Christian Brahms and Pu Wang and Travers, {John C.}",

note = "Funding Information: This work is supported by the National Natural Science Foundation of China (No. 62105122, U21A20506, 61827820), Guangdong Basic and Applied Basic Research Foundation (No. 2021B1515020030, 2021A1515011646), Guangzhou Science and Technology Program (No. 202102020411), and the Fundamental Research Funds for the Central Universities (21620414). J.C.T., F.B., and C.B. are funded by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program: Starting Grant agreement HISOL, No. 679649. This work used EPCC's Cirrus HPC Service ( https://www.epcc.ed.ac.uk/cirrus ). Publisher Copyright: {\textcopyright} 2021 The Authors. Laser & Photonics Reviews published by Wiley-VCH GmbH.",

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doi = "10.1002/lpor.202100426",

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AU - Gao, Shou-Fei

AU - Wang, Ying-Ying

AU - Belli, Federico

AU - Brahms, Christian

AU - Wang, Pu

AU - Travers, John C.

N1 - Funding Information: This work is supported by the National Natural Science Foundation of China (No. 62105122, U21A20506, 61827820), Guangdong Basic and Applied Basic Research Foundation (No. 2021B1515020030, 2021A1515011646), Guangzhou Science and Technology Program (No. 202102020411), and the Fundamental Research Funds for the Central Universities (21620414). J.C.T., F.B., and C.B. are funded by the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation program: Starting Grant agreement HISOL, No. 679649. This work used EPCC's Cirrus HPC Service ( https://www.epcc.ed.ac.uk/cirrus ). Publisher Copyright: © 2021 The Authors. Laser & Photonics Reviews published by Wiley-VCH GmbH.

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AB - A route to supercontinuum generation in gas-filled hollow-core anti-resonant fibers is demonstrated through the creation of a broad vibrational Raman frequency comb followed by continuous broadening and merging of the comb lines through either rotational Raman scattering or the optical Kerr effect. The demonstration experiments, utilizing a single pump pulse with 20 ps duration at 532 nm in a nitrogen-filled fiber, produce a supercontinuum spanning from 440 to 1200 nm, with an additional deep ultraviolet continuum from 250 to 360 nm. Numerical results suggest that this approach can produce even broader supercontinuum spectra extending from the ultraviolet to mid-infrared.

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From Raman Frequency Combs to Supercontinuum Generation in Nitrogen‐Filled Hollow‐Core Anti‐Resonant Fiber

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