Tunable ultra-broadband multi-band NIR emission in Bi-doped aluminogermanate glasses and fibers via controllable Al2O3 content for broadband amplifiers

Chen, Weiwei; Huang, Xiongjian; Dong, Quan; Xiong, Puxian; Yang, Dandan; Qiu, Jianrong; Yang, Zhongmin; Dong, Guoping

doi:10.1039/d3tc03315e

J. Mater. Chem. C

2024

DOI: 10.1039/d3tc03315e

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Tunable ultra-broadband multi-band NIR emission in Bi-doped aluminogermanate glasses and fibers via controllable Al₂O₃ content for broadband amplifiers

Weiwei Chen,

Xiongjian Huang,

Quan Dong

et al.

Abstract: The tunable ultra-broadband multi-band NIR emission of Bi-doped germanate glass and fiber can be achieved via constructing various glass local network environments with steerable Al2O3 content and show potential applications in broadband amplifiers.

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Cited by 4 publications

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Ultra‐Broadband Emission in Bi/Ge Co‐Doped Silica Glass and Fiber via Bismuth Coordination Engineering

Li,

Tian,

Shao

et al. 2024

Advanced Optical Materials

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Bismuth (Bi) and Germanium (Ge) co‐doped silica glass and fiber, as advanced gain media with broadband near‐infrared (NIR) emission and amplification, have promise for extending communication bandwidth. However, efficiently modulating the NIR emissions of bismuth to cover the C+L communication bands remain a significant challenge. In the study, a high‐temperature and high‐pressure reduction treatment on Bi/Ge co‐doped silica glass is employed to tailor the coordination environment around bismuth active center. This method facilitated the creation of new bismuth NIR luminescence centers, resulting in the luminescence spectrum with a peak position at 1550 nm and a FWHM exceeding 350 nm. The changes in the bismuth coordination environment are elucidated using HRTEM, photoluminescence decay, temperature‐dependent emission, EXAFS and CW‐EPR. Furthermore, the feasibility of this method in Bi/Ge co‐doped silica fiber is validated, and obtained >5 dB amplification in the range of 1400–1700 nm. This coordination engineering method holds significant potential for widespread application in Bi/Ge co‐doped silica glass and optical fiber is believed. It presents a promising prospect for expanding communication bandwidth by effectively modulating the NIR emissions of bismuth to cover the S to U communication band.

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Ultra‐Broadband Emission in Bi/Ge Co‐Doped Silica Glass and Fiber via Bismuth Coordination Engineering

Li,

Tian,

Shao

et al. 2024

Advanced Optical Materials

View full text Add to dashboard Cite

show abstract

Synthesis and Spectral-Luminescent Properties of Sodium-Modified Bismuth Germanate Glasses

Serkina,

Volkova,

Runina

et al. 2024

Glass Ceram

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Femtosecond laser activation of the photochemistry of bismuth and associated three-dimensional sub-micron fluorescence patterning

Alassani,

Ollier,

Canioni

et al. 2024

Journal of Luminescence

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Tunable ultra-broadband multi-band NIR emission in Bi-doped aluminogermanate glasses and fibers via controllable Al₂O₃ content for broadband amplifiers

Abstract: The tunable ultra-broadband multi-band NIR emission of Bi-doped germanate glass and fiber can be achieved via constructing various glass local network environments with steerable Al2O3 content and show potential applications in broadband amplifiers.

Cited by 4 publications

References 48 publications

Ultra‐Broadband Emission in Bi/Ge Co‐Doped Silica Glass and Fiber via Bismuth Coordination Engineering

Ultra‐Broadband Emission in Bi/Ge Co‐Doped Silica Glass and Fiber via Bismuth Coordination Engineering

Synthesis and Spectral-Luminescent Properties of Sodium-Modified Bismuth Germanate Glasses

Femtosecond laser activation of the photochemistry of bismuth and associated three-dimensional sub-micron fluorescence patterning

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