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  Generation of broadband circularly polarized supercontinuum light in twisted photonic crystal fibers

Sopalla, R., Wong, G., Joly, N., Frosz, M., Jiang, X., Ahmed, G., et al. (2019). Generation of broadband circularly polarized supercontinuum light in twisted photonic crystal fibers. Optics Letters, 44(16), 3964-3967. doi:10.1364/OL.44.003964.

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 Creators:
Sopalla, Rafal1, Author           
Wong, Gordon1, Author           
Joly, Nicolas1, 2, Author           
Frosz, Michael1, 3, Author           
Jiang, Xin1, Author
Ahmed, Goran1, 3, Author           
Russell, Philip1, Author           
Affiliations:
1Russell Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364721              
2Department of Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, Staudtstraße 1, 91058 Erlangen, ou_persistent22              
3Fibre Fabrication and Glass Studio, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364724              

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Free keywords: twisted photonic crystal fibre, photonic crystal fibre, solid-core photonic crystal fibre, supercontinuum generation, circular polarization
 Abstract: We compare the properties of the broadband supercontinuum (SC) generated in twisted and untwisted solid-core photonic crystal fibers when pumped by circularly polarized
40 picosecond laser pulses at 1064 nm. In the helically twisted fiber, fabricated by spinning the preform during the draw, the SC is robustly circularly polarized across its entire
spectrum whereas, in the straight fiber, axial fluctuations in linear birefringence and polarization-dependent nonlinear effects cause the polarization state to vary randomly with the wavelength. Theoretical modelling confirms the experimental results. Helically twisted photonic crystal fibers permit the generation of pure circularly polarized SC light with excellent polarization stability against fluctuations in input power and environmental perturbations.

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 Dates: 2019-07-122019-06-122019-07-122019-08-07
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1364/OL.44.003964
 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: 44 (16) Sequence Number: - Start / End Page: 3964 - 3967 Identifier: ISSN: 0146-9592
CoNE: https://pure.mpg.de/cone/journals/resource/954925474435