Development of Bismuth-Doped Fibers (BDFs) in Optical Communication Systems

Alsingery, Rifat M. Dakhil; Mudhafer, A.

doi:10.5772/intechopen.93857

Bismuth - Fundamentals and Optoelectronic Applications 2020

DOI: 10.5772/intechopen.93857

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Development of Bismuth-Doped Fibers (BDFs) in Optical Communication Systems

Rifat M. Dakhil Alsingery¹,

A. Mudhafer²

Abstract: This chapter will provide background information in the development of BDFs and their applications in optical communication systems. Herein, the main focus is briefly described previous studies on BDFs that have attracted much interest over the last two decades. This necessary information and concepts are very much relevant to understanding this book, mainly due to the doping of Bi in the studied bismuth and erbium-doped silicate fibers (BEDFs). The remaining chapter is consisting of the following sections: Se… Show more

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Cited by 2 publications

References 48 publications

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Tailoring ultrabroadband near‐infrared luminescence in Bi-doped germanosilicate glasses

Mehaboob,

Fuertes,

Rivera

et al. 2023

Sci Rep

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Bi-doped glasses and optical fibers are extensively studied since they present broadband optical amplification in the near-infrared region (NIR), in which the optical telecommunication industry greatly depends for the transmission of optical signals. There are many scientific challenges about the NIR luminescent emissions from Bi ions, such as understanding its origin and further improving the associated optical amplification capacity. In this work, Bi-doped germanosilicate glass compositions with ultrabroadband NIR luminescence were fabricated, in the range of 925–1630 nm, which covers O, E, S, C, and L-telecommunication bands. An in-depth analysis of the impact of modifying excitation wavelengths, Bi content, and GeO2/SiO2 concentration ratio in the glass matrix demonstrates the possibility of considerably manipulating the Bi NIR luminescence, in terms of tuning emission parameters such as bandwidth, up to ~ 490 nm, and luminescence intensity. Based on theoretical and experimental luminescence data retrieved from the fabricated glasses, we demonstrate that the origin of broadband luminescence under all the considered excitation wavelengths can be ascribed to optical transitions of Bi0 ions. Therefore, an energy level diagram for Bi0 is proposed. We anticipate that our findings can provide clarifications to the existing uncertainty in the origin of Bi NIR emission, which will be useful to fabricate efficient future optical fiber amplifiers.

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Tailoring ultrabroadband near‐infrared luminescence in Bi-doped germanosilicate glasses

Mehaboob,

Fuertes,

Rivera

et al. 2023

Sci Rep

View full text Add to dashboard Cite

show abstract

Optimizing Broadband Near-Infrared Emission in Bi/Sn-Doped Aluminosilicate Glass by Modulating Glass Composition

et al. 2022

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The Bi/Sn-doped aluminosilicate glass samples were prepared using a melting–quenching method and their near-infrared (NIR) emission properties were studied. An ultra-broadband NIR emission ranging from 950 nm to 1600 nm was observed in all samples under 480 nm excitation, which covered the whole fiber low-loss window. The NIR emission spectrum showed that the maximum emission peak was about 1206 nm and the full width at half maximum (FWHM) was about 220 nm. Furthermore, the NIR emission intensity strongly depends on the composition of the glass, which can be optimized by modulating the glass composition. The Bi0 and Bi+ ions were the NIR luminescence source of the glass samples in this paper. The Bi/Sn-doped aluminosilicate glass has the potential to become a new type of core fiber material and to be applied to optical fiber amplifiers (OFAs), based on its excellent performance in ultra-broadband NIR emission.

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Development of Bismuth-Doped Fibers (BDFs) in Optical Communication Systems

Cited by 2 publications

References 48 publications

Tailoring ultrabroadband near‐infrared luminescence in Bi-doped germanosilicate glasses

Tailoring ultrabroadband near‐infrared luminescence in Bi-doped germanosilicate glasses

Optimizing Broadband Near-Infrared Emission in Bi/Sn-Doped Aluminosilicate Glass by Modulating Glass Composition

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