Er3+-doped GeGaSbS glasses for mid-IR fibre laser application: Synthesis and rare earth spectroscopy

Moizan, Virginie; Nazabal, Virginie; Trolès, Johann; Houizot, Patrick; Adam, Jean-Luc; Doualan, Jean‐Louis; Moncorgé, R.; Smektala, F.; Gadret, Grégory; Pitois, Stéphane; Canat, Guillaume

doi:10.1016/j.optmat.2008.01.005

Cited by 137 publications

(79 citation statements)

References 25 publications

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“…The fiber structure assumed is a doubleclad one with a single mode (for the signal and idler wavelengths), core with a radius of 5.5 µm and a multimode clad with a radius of 30 µm for the pump wavelength. The feasibility of fabrication of single mode chalcogenide glass fibers was demonstrated in [9][10][11][12][13][14]. The pump confinement factor was calculated under the assumption that the pump power is uniformly distributed in the fiber cladding.…”

Section: Resultsmentioning

confidence: 99%

“…One of the candidates to become a host material for the midinfrared fiber lasers is the chalcogenide glass. Suitable chalcogenide glasses are chemically and mechanically durable, can be drawn into a low loss fiber and doped with lanthanides [4][5][6][7][8][9][10][11][12][13][14]. The feasibility of the mid-infrared fiber laser realization using a chalcogenide glass fiber doped with dysprosium was first demonstrated in [15] and further explored in [16].…”

Section: Introductionmentioning

confidence: 99%

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Study of mid-infrared laser action in chalcogenide rare earth doped glass with Dy^3+, Pr^3+and Tb^3+

Sójka¹,

Tang²,

Zhu³

et al. 2012

Opt. Mater. Express

105

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We present a study of chalcogenide glass fiber lasers doped with Dy 3+ , Pr 3+ or Tb 3+ that would operate in the mid-infrared wavelength range. A set of chalcogenide glass samples doped with different concentrations of rare earth ions is fabricated. The modeling parameters are directly extracted from FTIR absorption measurements of the fabricated bulk glass samples using Judd-Ofelt, Füchtbauer-Ladenburg theory and McCumber theory. The modeling results show that, for all the dopants considered, an efficient mid-infrared laser action is possible if optical losses are kept at the level of 1dB/m or below.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Study of mid-infrared laser action in chalcogenide rare earth doped glass with Dy^3+, Pr^3+and Tb^3+

Sójka¹,

Tang²,

Zhu³

et al. 2012

Opt. Mater. Express

105

View full text Add to dashboard Cite

show abstract

“…The passive optical properties of these glasses can be tailored by their chemical compositions, and applicability of gallium-based glasses can be further enhanced by rare earth doping into the glassy network. As active optical media, they could be used as source of radiation in different utilizations such as mid-IR fiber lasers, optical amplifiers and upconverters [5][6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Local motifs in GeS2–Ga2S3 glasses

Pethes

Nazabal

Chahal

et al. 2016

Journal of Alloys and Compounds

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The structure of (GeS 2 ) 0.75 (Ga 2 S 3 ) 0.25 and (GeS 2 ) 0.83 (Ga 2 S 3 ) 0.17 glasses was investigated by Raman scattering, high energy X-ray diffraction and extended X-ray absorption fine structure (EXAFS) measurements at the Ga and Ge K-edges. The reverse Monte Carlo simulation technique (RMC) was used to obtain structural models compatible with diffraction and EXAFS datasets. It was found that the coordination number of Ga is close to four. While Ge atoms have only S neighbors, Ga binds to S as well as to Ga atoms showing a violation of chemical ordering in GeS 2 -Ga 2 S 3 glasses. Analysis of the corner-and edge-sharing between [GeS 4/2 ] units revealed that about 30% of germanium atoms participate in the edge-shared tetrahedra.

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“…The active ions, transition of 4 I 11∕2 → 4 I 13∕2 of Er 3 ion, is "self-terminating," which possesses a shorter upper-level lifetime and lower spontaneous transition probability (about 30 s −1 in fluoride) [5]. The host glass materials for mid-IR lasers are expected to possess a minimal absorption coefficient in the typical H 2 O absorption band at 3 μm, low nonradiative decay rates, high radiative emission rates, and compatibility with waveguide fabrication processes for the majority of applications [5,6].In order to get powerful 2.7 μm mid-IR emission from Er 3 ions, fluoride, chalcogenide, fluorophosphates, and heavy metal oxide (tellurite and germanate) based glasses as well as glass ceramics have been investigated, and fluoride glasses have emerged as natural candidates for such rare-earth-doped optical devices [5][6][7][8][9][10][11][12]. However, fluoride glasses require a more stringently controlled fabrication and have a relatively poor thermal stability [13].…”

mentioning

confidence: 99%

Intense 27 µm emission and structural origin in Er^3+-doped bismuthate (Bi_2O_3-GeO_2-Ga_2O_3-Na_2O) glass

Guo

et al. 2012

Opt. Lett.

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The 2.7 μm emission properties in Er 3 -doped bismuthate (Bi 2 O 3 -GeO 2 -Ga 2 O 3 -Na 2 O) glass were investigated in the present Letter. An intense 2.7 μm emission in Er 3 -doped bismuthate glass was observed. It is found that Er 3 -doped bismuthate glass possesses high spontaneous transition probability A (65.26 s −1 ) and large 2.7 μm emission cross section σ em (9.53 × 10 −21 cm 2 ) corresponding to the stimulated emission of Er 3 : 4 I 11∕2 → 4 I 13∕2 transition. The emission characteristic and energy transfer process upon excitation of a conventional 980 nm laser diode in bismuthate glass were analyzed. Additionally, the structure of bismuthate glass was analyzed by the Raman spectrum. The advantageous spectroscopic characteristics of Er 3 single-doped bismuthate glass together with the prominent thermal property indicate that bismuthate glass might become an attractive host for developing solid-state lasers around 2.7 μm. © 2012 Optical Society of America OCIS codes: 160.5690, 260.3060, 160.4670, 160.2750, 300.6280. Owing to the strong absorption of radiation by water at the 2.7 μm region, considerable effort has been contributed to the erbium (Er 3 ) 2.7 μm lasers in view of the possible applications in medicine, sensing, and military countermeasures as well as light detection and ranging (LIDAR) in recent decades [1][2][3]. It is well known that two essential factors should be considered in developing more efficient optical devices based on rare-earth ions, including the active ions and the host [4]. The active ions, transition of 4 I 11∕2 → 4 I 13∕2 of Er 3 ion, is "self-terminating," which possesses a shorter upper-level lifetime and lower spontaneous transition probability (about 30 s −1 in fluoride) [5]. The host glass materials for mid-IR lasers are expected to possess a minimal absorption coefficient in the typical H 2 O absorption band at 3 μm, low nonradiative decay rates, high radiative emission rates, and compatibility with waveguide fabrication processes for the majority of applications [5,6].In order to get powerful 2.7 μm mid-IR emission from Er 3 ions, fluoride, chalcogenide, fluorophosphates, and heavy metal oxide (tellurite and germanate) based glasses as well as glass ceramics have been investigated, and fluoride glasses have emerged as natural candidates for such rare-earth-doped optical devices [5][6][7][8][9][10][11][12]. However, fluoride glasses require a more stringently controlled fabrication and have a relatively poor thermal stability [13]. Therefore, the heavy metal oxide glasses, germanate, tellurite, and bismuthate glasses attract high interest owing to their excellent solubility for rare-earth ions, lower phonon energy, higher refractive index, higher glass transition temperature, and good IR transmission [14][15][16][17]. Among above-mentioned host, there are still no reports on 2.7 μm emission in Er 3 -doped bismuthate glass up to now.The 2.7 μm emission in Er 3 -doped bismuthate (Bi 2 O 3 -GeO 2 -Ga 2 O 3 -Na 2 O) glasses are studied in the present Letter. Addition...

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Er3+-doped GeGaSbS glasses for mid-IR fibre laser application: Synthesis and rare earth spectroscopy

Cited by 137 publications

References 25 publications

Study of mid-infrared laser action in chalcogenide rare earth doped glass with Dy^3+, Pr^3+and Tb^3+

Study of mid-infrared laser action in chalcogenide rare earth doped glass with Dy^3+, Pr^3+and Tb^3+

Local motifs in GeS2–Ga2S3 glasses

Intense 27 µm emission and structural origin in Er^3+-doped bismuthate (Bi_2O_3-GeO_2-Ga_2O_3-Na_2O) glass

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