Spectroscopic studies on Er3+ ions incorporated bismuth borolead lithium glasses for solid state lasers and fiber amplifiers

Bhemarajam, J.; Swapna,; Babu, M. Mohan; Prasad, P. Syam; Prasad, M.

doi:10.1016/j.optmat.2021.110818

Cited by 20 publications

(10 citation statements)

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“…Formula ( 9) describes the pump power propagation equation, and the change rate of pump power about length is expressed by taking the derivative of pump power with respect to fiber length. Similarly, equation (10) represents the signal optical power propagation equation; Equation (11) represents the ASE power propagation equation.…”

Section: 𝑊 𝑧mentioning

confidence: 99%

“…In 2020, Fan et al [10] prepared Bismuth-doped tellurite glass by a high-temperature melting process, tested the light absorption and stimulated emission performance, showing that Bismuth-doped tellurite glass is a good 2μm laser glass. In 2021, Bhemarajam et al [11]developed a boron lead Bismuth-lithium glass system doped with different Er3+ ions and studied its optical properties. Through systematic spectral analysis, it is concluded that can use a glass to make a potential luminescent material in the fiber amplifier.…”

Section: Introductionmentioning

confidence: 99%

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The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

Chen¹,

Mei²,

Song³

2022

HSET

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At present, the main communication window of fiber amplifier is in C-band ( ), and the amplification technology in O-band ( ) needs to be improved. The optical fiber amplification technology of band is studied in this paper. Based on three different Bismuth-doped glass materials, the design modeling and numerical simulation are carried out, and the corresponding amplification bands are , and . The rate equation and transmission equation of the three-level transition model in steady state were established. The gain, the power of pump, the power of signal and ASE signal power of the three bands were simulated by MATLAB, and the material with the best performance was further analyzed. The results show that signal light has the best amplification effect, and the maximum gain is when the fiber length is . It is also found that the optical fiber length required to achieve the optical signal optical gain with the pump power is positive correlation, and with the doping concentration is negative correlation, which are complementary to each other. This conclusion has important significance for the design of bismuth-doped optical fiber amplifier.

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Section: 𝑊 𝑧mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

Chen¹,

Mei²,

Song³

2022

HSET

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“…Lanthanide-based light emitters acquired substantial interest for their long luminescence lifetimes and large Stokes shifts, making them prospective candidates for the development of optical devices and light conversion materials [ 9 , 10 ]. As a result, numerous application fields utilize lanthanide-based light emitters, including medical diagnostics [ 11 ], biological imaging [ 12 ], and optical amplifiers [ 13 ]. The most commonly utilized lanthanides are Eu 3+ , Tb 3+ , Sm 3+ , and Tm 3+ , with red, green, orange, and blue light emissions in the visible range, respectively.…”

Section: Introductionmentioning

confidence: 99%

Lanthanide and Ladder-Structured Polysilsesquioxane Composites for Transparent Color Conversion Layers

et al. 2023

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Ladder-type polysilsesquioxanes (LPSQs) containing phenyl as a high refractive index unit and cyclic epoxy as a curable unit were found to be excellent candidates for a transparent color conversion layer for displays due to being miscible with organic solvents and amenable to transparent film formation. Therefore, the LPSQs were combined with luminescent lanthanide metals, europium Eu(III), and terbium Tb(III), to fabricate transparent films with various emission colors, including red, orange, yellow, and green. The high luminescence and transmittance properties of the LPSQs–lanthanide composite films after thermal curing were attributed to chelating properties of hydroxyl and polyether side chains of LPSQs to lanthanide ions, as well as a light sensitizing effect of phenyl side chains of the LPSQs. Furthermore, Fourier-transform infrared (FT-IR) and X-ray photoelectron spectroscopy and nanoindentation tests indicated that the addition of the nanoparticles to the LPSQs moderately enhanced the epoxy conversion rate and substantially improved the wear resistance, including hardness, adhesion, and insusceptibility to atmospheric corrosion in a saline environment. Thus, the achieved LPGSG–lanthanide hybrid organic–inorganic material could effectively serve as a color conversion layer for displays.

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“…Optical sources such as glasses and glass ceramics doped with trivalent rare‐earth ions (RE 3+ ) operating in the near‐infrared (NIR) spectral range are interesting systems due to their wide field of applications in the fabrication of fibers, waveguides, solid‐state lasers, and amplifiers 1–7 . Moreover, the significant progress in modern information technology and capacity in optoelectronics demands searching for new optical fiber amplifiers with broad and efficient gain bandwidth in the telecommunication windows 8–10 . Therefore, inorganic materials doped with RE 3+ ions, such as trivalent praseodymium (Pr 3+ ) and thulium (Tm 3+ ) ions, have been paid attention owing to their unique spectroscopic properties.…”

Section: Introductionmentioning

confidence: 99%

Experimental and theoretical studies on NIR luminescence of titanate‐germanate glasses doped with Pr³⁺ and Tm³⁺ ions

et al. 2023

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Near‐infrared luminescence of Pr3+ and Tm3+ ions in titanate‐geramanate glasses have been studied for laser and fiber amplifier applications. The effect of the molar ratio GeO2:TiO2 (from 5:1 to 1:5) on spectroscopic properties of glass systems was studied by absorption, luminescence measurements, and theoretical calculations using the Judd‐Ofelt theory. It was found that independently of the TiO2 concentration, intense near‐infrared emissions at 1.5 μm and 1.8 μm were observed for glasses doped with Pr3+ and Tm3+ ions, respectively. Moreover, several spectroscopic and near‐infrared (NIR) laser parameters for Pr3+ and Tm3+ ions, such as emission bandwidth, stimulated emission cross‐section, quantum efficiency, gain bandwidth, and figure of merit, were determined. The results were discussed in detail and compared to the different laser glasses. Systematic investigations indicate that Pr3+‐doped system with GeO2:TiO2 = 2:1 and Tm3+‐doped glass with GeO2:TiO2 = 1:2 present profit laser parameters and could be successfully applied to near‐infrared laser and broadband optical amplifiers.This article is protected by copyright. All rights reserved

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Spectroscopic studies on Er3+ ions incorporated bismuth borolead lithium glasses for solid state lasers and fiber amplifiers

Cited by 20 publications

References 61 publications

The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

Lanthanide and Ladder-Structured Polysilsesquioxane Composites for Transparent Color Conversion Layers

Experimental and theoretical studies on NIR luminescence of titanate‐germanate glasses doped with Pr³⁺ and Tm³⁺ ions

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Spectroscopic studies on Er3+ ions incorporated bismuth borolead lithium glasses for solid state lasers and fiber amplifiers

Cited by 20 publications

References 61 publications

The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

The design modeling and numerical simulation of a Bismuth-doped glass fiber amplifier

Lanthanide and Ladder-Structured Polysilsesquioxane Composites for Transparent Color Conversion Layers

Experimental and theoretical studies on NIR luminescence of titanate‐germanate glasses doped with Pr3+ and Tm3+ ions

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Experimental and theoretical studies on NIR luminescence of titanate‐germanate glasses doped with Pr³⁺ and Tm³⁺ ions