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  Modulational-instability-free pulse compression in anti-resonant hollow-core photonic crystal fiber

Köttig, F., Tani, F., & Russell, P. (2020). Modulational-instability-free pulse compression in anti-resonant hollow-core photonic crystal fiber. Optics Letters, 45(14), 4044-4047. doi:10.1364/OL.396425.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-B81E-A Version Permalink: http://hdl.handle.net/21.11116/0000-0006-B81F-9
Genre: Journal Article

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 Creators:
Köttig, Felix1, Author              
Tani, Francesco1, Author              
Russell, Philip1, 2, Author              
Affiliations:
1Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              
2Department of Physics, Friedrich-Alexander-Universität, Staudtstraße 2, 91058 Erlangen, Germany, ou_persistent22              

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Free keywords: hollow-core photonic crystal fiber, modulational instability, anti-resonant hollow-core photonic crystal fiber, single-ring fiber, supercontinuum generation, pulse compression, self-phase modulation
 Abstract: Gas-filled hollow-core photonic crystal fiber (PCF) is used for efficient nonlinear temporal compression of femtosecond laser pulses, two main schemes being direct soliton-effect self-compression and spectral broadening followed by phase compensation. To obtain stable compressed pulses, it is crucial to avoid decoherence through modulational instability (MI) during spectral broadening. Here, we show that changes in dispersion due to spectral anti-crossings between the fundamental-core mode and core wall resonances in anti-resonant-guiding hollow-core PCF can strongly alter the MI gain spectrum, enabling MI-free pulse compression for optimized fiber designs. The results are important, since MI cannot always be suppressed by pumping in the normal dispersion regime.

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 Dates: 2020-05-272020-04-292020-06-032020-06-102020-07-14
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1364/OL.396425
 Degree: -

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Title: Optics Letters
Source Genre: Journal
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Publ. Info: Washington : Optical Society of America
Pages: 4 Volume / Issue: 45 (14) Sequence Number: - Start / End Page: 4044 - 4047 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435