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Nonlinearity shaping in nanostructured glass-diamond hybrid materials for optical fiber preforms.

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Title: Nonlinearity shaping in nanostructured glass-diamond hybrid materials for optical fiber preforms.
Authors: Stępniewski, Grzegorz1,2 (AUTHOR), Hänzi, Pascal3 (AUTHOR), Filipkowski, Adam1,2 (AUTHOR), Janik, Monika4,5 (AUTHOR), Mrózek, Mariusz6 (AUTHOR), Stepanenko, Yuriy7 (AUTHOR), Bogdanowicz, Robert4 (AUTHOR), Romano, Valerio3 (AUTHOR), Heidt, Alexander3 (AUTHOR), Buczyński, Ryszard1,2 (AUTHOR), Klimczak, Mariusz1 (AUTHOR) mariusz.klimczak@fuw.edu.pl
Source: Carbon. Nov2023, Vol. 215, pN.PAG-N.PAG. 1p.
Subjects: Optical materials, Nanodiamonds, Hybrid materials, Optical fibers, Dielectric materials, Nonlinear optics, Fused silica
Abstract: Nanodiamond integration with optical fibers has proved a compelling methodology for magneto-optics. We reveal that the applicability of nanodiamonds in nonlinear optics goes beyond the previous demonstrations of frequency converters. Instead, we exploit the recently reported volumetric integration of nanodiamonds along the optical fiber core and show that the nonlinear response of glasses can be manipulated by nanodiamonds. By taking the mature z-scan approach we measure the nonlinear absorption and nonlinear refraction of three dielectric materials containing nanodiamonds in different concentrations and sizes. The work begins with nanodiamond-water suspensions, which offer the advantage of rapidly assessing the dependence of the nonlinear refractive index on the nano-particle concentration and size. Subsequently we investigate two fiber preforms based on silica and soft glass doped with nanodiamonds to evaluate the feasibility of nonlinearity shaping. We achieve a nearly 20% reduction of the nonlinear refractive index of fused silica containing trace amounts of nanodiamonds relative to a pristine reference. The demonstration of such a noticeable impact on the nonlinear response of the key optical material widely accepted by ultrafast optics practitioners provides a guideline for future work on the novel concept of negative nonlinearity fibers, which could disrupt the established chromatic dispersion-nonlinearity landscape. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Carbon is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 173235356
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Nonlinearity shaping in nanostructured glass-diamond hybrid materials for optical fiber preforms.
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  Data: <searchLink fieldCode="JN" term="%22Carbon%22">Carbon</searchLink>. Nov2023, Vol. 215, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Optical+materials%22">Optical materials</searchLink><br /><searchLink fieldCode="DE" term="%22Nanodiamonds%22">Nanodiamonds</searchLink><br /><searchLink fieldCode="DE" term="%22Hybrid+materials%22">Hybrid materials</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+fibers%22">Optical fibers</searchLink><br /><searchLink fieldCode="DE" term="%22Dielectric+materials%22">Dielectric materials</searchLink><br /><searchLink fieldCode="DE" term="%22Nonlinear+optics%22">Nonlinear optics</searchLink><br /><searchLink fieldCode="DE" term="%22Fused+silica%22">Fused silica</searchLink>
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  Data: Nanodiamond integration with optical fibers has proved a compelling methodology for magneto-optics. We reveal that the applicability of nanodiamonds in nonlinear optics goes beyond the previous demonstrations of frequency converters. Instead, we exploit the recently reported volumetric integration of nanodiamonds along the optical fiber core and show that the nonlinear response of glasses can be manipulated by nanodiamonds. By taking the mature z-scan approach we measure the nonlinear absorption and nonlinear refraction of three dielectric materials containing nanodiamonds in different concentrations and sizes. The work begins with nanodiamond-water suspensions, which offer the advantage of rapidly assessing the dependence of the nonlinear refractive index on the nano-particle concentration and size. Subsequently we investigate two fiber preforms based on silica and soft glass doped with nanodiamonds to evaluate the feasibility of nonlinearity shaping. We achieve a nearly 20% reduction of the nonlinear refractive index of fused silica containing trace amounts of nanodiamonds relative to a pristine reference. The demonstration of such a noticeable impact on the nonlinear response of the key optical material widely accepted by ultrafast optics practitioners provides a guideline for future work on the novel concept of negative nonlinearity fibers, which could disrupt the established chromatic dispersion-nonlinearity landscape. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Carbon is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.carbon.2023.118465
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      – Code: eng
        Text: English
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        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Optical materials
        Type: general
      – SubjectFull: Nanodiamonds
        Type: general
      – SubjectFull: Hybrid materials
        Type: general
      – SubjectFull: Optical fibers
        Type: general
      – SubjectFull: Dielectric materials
        Type: general
      – SubjectFull: Nonlinear optics
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      – SubjectFull: Fused silica
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              Text: Nov2023
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