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Dispersion mitigation using cascaded FBGs with hybrid apodization profiles.

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Title: Dispersion mitigation using cascaded FBGs with hybrid apodization profiles.
Authors: Abdallah, Rania M.1 (AUTHOR) eng_rania99@eng.psu.edu.eg, Elbahi, Ferial M.1 (AUTHOR) ferial.albahy@eng.psu.edu.eg, Soliman, Heba Y.1 (AUTHOR) hebayms@eng.psu.edu.eg, Shaalan, Islam E.1 (AUTHOR) is_shaalan@eng.psu.edu.eg
Source: Optical & Quantum Electronics. Mar2026, Vol. 58 Issue 3, p1-30. 30p.
Subjects: Fiber Bragg gratings, Apodization, Optical communications, Bit error rate, Optical dispersion
Abstract: The performance of high-speed optical communication systems is constrained by Chromatic Dispersion (CD), which poses a significant challenge to data transmission integrity. This paper proposes a method to mitigate CD using cascaded Apodized Fiber Bragg Gratings (AFBGs). The apodization function plays a crucial role in dispersion mitigation, effectively reducing side lobes in the Fiber Bragg Grating (FBG) reflection spectrum. The proposed model employs two cascaded stages, each utilizing an apodization function that merges the Nuttall and Bartlett profiles. This model is investigated to enhance FBG performance and is compared with other apodization functions. Using an induced refractive index of 2.8 × 10⁻⁵ and a grating length of 60 mm, numerical results show that the Nuttall-Bartlett apodization function achieves the narrowest Full Width at Half Maximum (FWHM) of 0.027 nm—a 20.48% improvement over the uniform model—while maintaining a reflectivity of 99.12%. The performance of the proposed model is further evaluated through the quality factor (Q-factor) and Bit Error Rate (BER), yielding an improvement in both metrics over the uniform model. [ABSTRACT FROM AUTHOR]
Copyright of Optical & Quantum Electronics is the property of Springer Nature 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: 192418343
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  Data: Dispersion mitigation using cascaded FBGs with hybrid apodization profiles.
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  Data: <searchLink fieldCode="JN" term="%22Optical+%26+Quantum+Electronics%22">Optical & Quantum Electronics</searchLink>. Mar2026, Vol. 58 Issue 3, p1-30. 30p.
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  Data: <searchLink fieldCode="DE" term="%22Fiber+Bragg+gratings%22">Fiber Bragg gratings</searchLink><br /><searchLink fieldCode="DE" term="%22Apodization%22">Apodization</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+communications%22">Optical communications</searchLink><br /><searchLink fieldCode="DE" term="%22Bit+error+rate%22">Bit error rate</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+dispersion%22">Optical dispersion</searchLink>
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  Data: The performance of high-speed optical communication systems is constrained by Chromatic Dispersion (CD), which poses a significant challenge to data transmission integrity. This paper proposes a method to mitigate CD using cascaded Apodized Fiber Bragg Gratings (AFBGs). The apodization function plays a crucial role in dispersion mitigation, effectively reducing side lobes in the Fiber Bragg Grating (FBG) reflection spectrum. The proposed model employs two cascaded stages, each utilizing an apodization function that merges the Nuttall and Bartlett profiles. This model is investigated to enhance FBG performance and is compared with other apodization functions. Using an induced refractive index of 2.8 × 10⁻⁵ and a grating length of 60 mm, numerical results show that the Nuttall-Bartlett apodization function achieves the narrowest Full Width at Half Maximum (FWHM) of 0.027 nm—a 20.48% improvement over the uniform model—while maintaining a reflectivity of 99.12%. The performance of the proposed model is further evaluated through the quality factor (Q-factor) and Bit Error Rate (BER), yielding an improvement in both metrics over the uniform model. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Optical & Quantum Electronics is the property of Springer Nature 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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        Value: 10.1007/s11082-026-08690-x
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        Text: English
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      – SubjectFull: Fiber Bragg gratings
        Type: general
      – SubjectFull: Apodization
        Type: general
      – SubjectFull: Optical communications
        Type: general
      – SubjectFull: Bit error rate
        Type: general
      – SubjectFull: Optical dispersion
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      – TitleFull: Dispersion mitigation using cascaded FBGs with hybrid apodization profiles.
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              Text: Mar2026
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              Y: 2026
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