H. Guo, Host dependence of spectroscopic properties of Dy^3+- doped and Dy^3+, Tm^3+-codped Ge-Ga-S-CdI_2 chalcohalide glasses, Optics Express, vol.17, issue.17, pp.15350-15358, 2009.
DOI : 10.1364/OE.17.015350

E. Kasper, M. Kittler, M. Oehme, and T. Arguirov, Germanium tin: silicon photonics toward the mid-infrared [Invited], Photonics Research, vol.1, issue.2, pp.69-76, 2013.
DOI : 10.1364/PRJ.1.000069

K. Liu, J. Liu, H. Shi, F. Tan, and P. Wang, High power mid-infrared supercontinuum generation in a single-mode ZBLAN fiber with up to 218 W average output power, Optics Express, vol.22, issue.20, pp.24384-24391, 2014.
DOI : 10.1364/OE.22.024384

C. Hamilton, R. Beach, S. Sutton, L. Furu, and . Krupke, 1-W average power levels and tunability from a diode-pumped 294-??m Er:YAG oscillator, Optics Letters, vol.19, issue.20, pp.1627-1629, 1994.
DOI : 10.1364/OL.19.001627

D. Chen, C. L. Fincher, T. S. Rose, F. L. Vernon, and R. A. Fields, Diode-pumped 1-W continuous-wave Er:YAG 3-?m laser, Optics Letters, vol.24, issue.6, pp.385-387, 1999.
DOI : 10.1364/OL.24.000385

A. Diening and S. Kück, Spectroscopy and diode-pumped laser oscillation of Yb3+, Ho3+-doped yttrium scandium gallium garnet, Journal of Applied Physics, vol.8, issue.9, pp.4063-4068, 2000.
DOI : 10.1103/PhysRevB.37.998

M. Harlander, A. Heinrich, C. Hagen, and B. Nussbaumer, High-brightness diode-pumped Er: YAG laser system at 2.94 µm with 400W peak power, SPIE LASE, International Society for Optics and Photonics, vol.895908, 2014.

X. Zhu and N. Peyghambarian, High-Power ZBLAN Glass Fiber Lasers: Review and Prospect, Advances in OptoElectronics, vol.20, issue.23, p.2010, 2010.
DOI : 10.1109/JSTQE.2005.850241

URL : http://downloads.hindawi.com/journals/aoe/2010/501956.pdf

S. Tokita, M. Murakami, S. Shimizu, M. Hashida, and S. Sakabe, Liquid-cooled 24 W mid-infrared Er:ZBLAN fiber laser, Optics Letters, vol.34, issue.20, pp.3062-3064, 2009.
DOI : 10.1364/OL.34.003062

V. Fortin, M. Bernier, S. T. Bah, and R. Vallee, 30??????W fluoride glass all-fiber laser at 294????????m, Optics Letters, vol.40, issue.12, pp.2882-2885, 2015.
DOI : 10.1364/OL.40.002882

J. Schneider, Fluoride fibre laser operating at 3.9 ??m, Electronics Letters, vol.31, issue.15, pp.1250-1251, 1995.
DOI : 10.1049/el:19950858

X. Jiang, Deep-ultraviolet to mid-infrared supercontinuum generated in solid-core ZBLAN photonic crystal fibre, Nature Photonics, vol.7316, issue.2, pp.133-139, 2015.
DOI : 10.1364/JOSAB.28.002310

D. Coleman, Heavy metal oxide and chalcogenide glasses as new hosts for Er^3+ and Er^3+/Pr^3+mid-IR fiber lasers, Advanced Solid State Lasers, 2000.
DOI : 10.1364/ASSL.2000.MB10

F. Chen, Investigation of mid-infrared emission characteristics and energy transfer dynamics in Er 3+ doped oxyfluoride tellurite glass, Sci. Rep, vol.5, 2015.
DOI : 10.1038/srep10676

URL : http://www.nature.com/articles/srep10676.pdf

F. Huang, Origin of near to middle infrared luminescence and energy transfer process of Er 3+ /Yb 3+ co-doped fluorotellurite glasses under different excitations, Sci. Rep, vol.5, 2015.
DOI : 10.1038/srep08233

URL : http://www.nature.com/articles/srep08233.pdf

M. Cai, Analysis of energy transfer process based emission spectra of erbium doped germanate glasses for mid-infrared laser materials, Journal of Alloys and Compounds, vol.626, pp.165-172, 2015.
DOI : 10.1016/j.jallcom.2014.11.077

Z. Zhao, Infrared emission from Er3+/Y3+ co-doped oxyfluoride glass-ceramics, Journal of Non-Crystalline Solids, vol.404, pp.37-42, 2014.
DOI : 10.1016/j.jnoncrysol.2014.07.043

S. Balaji, A. D. Sontakke, R. Sen, and A. Kalyandurg, Efficient ~2.0 ?m emission from Ho 3+ doped tellurite glass sensitized by Yb 3+ ions: Judd-Ofelt analysis and energy transfer mechanism, Opt. Mater. Express, vol.1, pp.138-150, 2011.

J. Wang, E. Vogel, D. Machewirth, F. Wu, and E. Snitzer, Neodymium-doped tellurite single-mode fiber laser, Optics Letters, vol.19, issue.18, pp.1448-1449, 1994.
DOI : 10.1364/OL.19.001448

A. Mori, Y. Ohishi, and S. Sudo, Erbium-doped tellurite glass fibre laser and amplifier, Electronics Letters, vol.33, issue.10, pp.863-864, 1997.
DOI : 10.1049/el:19970585

K. Li, G. Zhang, and L. Hu, Watt-level ???2??m laser output in Tm^3+-doped tungsten tellurite glass double-cladding fiber, Optics Letters, vol.35, issue.24, pp.4136-4138, 2010.
DOI : 10.1364/OL.35.004136

M. Cai, Broadband mid-infrared 2.8??m emission in Ho3+/Yb3+-codoped germanate glasses, Journal of Luminescence, vol.171, pp.143-148, 2016.
DOI : 10.1016/j.jlumin.2015.11.016

J. He, Z. Zhou, H. Zhan, A. Zhang, and A. Lin, 2.85??m fluorescence of Ho-doped water-free fluorotellurite glasses, Journal of Luminescence, vol.145, issue.2, pp.507-511, 2014.
DOI : 10.1016/j.jlumin.2013.08.020

URL : https://hal.archives-ouvertes.fr/hal-01707987

S. Balaji, G. Gupta, K. Biswas, D. Ghosh, and K. Annapurna, Role of Yb3+ ions on enhanced ~2.9?????m emission from Ho3+ ions in low phonon oxide glass system, Scientific Reports, vol.23, issue.1, p.29203, 2016.
DOI : 10.1364/OL.23.001837

URL : http://www.nature.com/articles/srep29203.pdf

Y. Ma, F. Huang, L. Hu, and J. Zhang, Efficient 2.05??m emission of Ho3+/Yb3+/Er3+ triply doped fluorotellurite glasses, Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol.122, pp.711-714, 2014.
DOI : 10.1016/j.saa.2013.11.103

G. Dantelle, M. Mortier, P. Goldner, and D. Vivien, single crystals and nanocrystals of glass-ceramics, Journal of Physics: Condensed Matter, vol.18, issue.34, p.7905, 2006.
DOI : 10.1088/0953-8984/18/34/005

URL : https://hal.archives-ouvertes.fr/hal-00113692

A. Mori, Y. Ohishi, and S. Sudo, Erbium-doped tellurite glass fibre laser and amplifier, Electronics Letters, vol.33, issue.10, pp.863-864, 1997.
DOI : 10.1049/el:19970585

M. Saad and M. Poulain, Glass Forming Ability Criterion, Materials Science Forum, vol.19, issue.20, pp.11-18, 1987.
DOI : 10.4028/www.scientific.net/MSF.19-20.11

D. Chen, Y. Liu, Q. Zhang, Z. Deng, and Z. Jiang, Thermal stability and spectroscopic properties of Er3+-doped niobium tellurite glasses for broadband amplifiers, Materials Chemistry and Physics, vol.90, issue.1, pp.78-82, 2005.
DOI : 10.1016/j.matchemphys.2004.10.005

F. Huang, 2.7 ??m emission of high thermally and chemically durable glasses based on AlF3, Scientific Reports, vol.31, issue.1, p.3607, 2014.
DOI : 10.1016/j.optmat.2009.03.015

URL : https://hal.archives-ouvertes.fr/in2p3-00309474

Y. Zhang, Effects of GeO2 on the thermal stability and optical properties of Er3+/Yb3+-codoped oxyfluoride tellurite glasses, Materials Chemistry and Physics, vol.126, issue.3, pp.786-790, 2011.
DOI : 10.1016/j.matchemphys.2010.12.043

T. Wei, Optical spectroscopy and population behavior between ^4I_11/2 and ^4I_13/2 levels of erbium doped germanate glass, Optical Materials Express, vol.4, issue.10, pp.2150-2165, 2014.
DOI : 10.1364/OME.4.002150

Y. Guo, G. Gao, M. Li, and J. Zhang, Er3+-doped fluoro-tellurite glass: A new choice for 2.7??m lasers, Materials Letters, vol.80, pp.56-58, 2012.
DOI : 10.1016/j.matlet.2012.04.068

URL : http://ir.siom.ac.cn/bitstream/181231/10978/1/ML-2012.4.pdf

R. Gao, The forming region and mechanical properties of SiO 2 -Al 2 O 3 -MgO glasses, Journal of Non-Crystalline Solids, vol.470, pp.132-137, 2017.
DOI : 10.1016/j.jnoncrysol.2017.05.004

URL : https://hal.archives-ouvertes.fr/hal-01559203

G. Upender, C. Vardhani, S. Suresh, A. Awasthi, and V. C. Mouli, Structure, physical and thermal properties of WO3???GeO2???TeO2 glasses, Materials Chemistry and Physics, vol.121, issue.1-2, pp.335-341, 2010.
DOI : 10.1016/j.matchemphys.2010.01.050

K. Li, G. Zhang, and L. Hu, Watt-level ???2??m laser output in Tm^3+-doped tungsten tellurite glass double-cladding fiber, Optics Letters, vol.35, issue.24, pp.4136-4138, 2010.
DOI : 10.1364/OL.35.004136

X. Wen, Tm^3+ doped barium gallo-germanate glass single-mode fibers for 20 ??m laser, Optics Express, vol.23, issue.6, pp.7722-7731, 2015.
DOI : 10.1364/OE.23.007722

Y. Wang, Mid-infrared emission in Dy:YAlO_3 crystal, Optical Materials Express, vol.4, issue.6, pp.1104-1111, 2014.
DOI : 10.1364/OME.4.001104

X. Fan, Spectroscopic properties of 2.7 ??m emission in Er 3+ doped telluride glasses and fibers, Journal of Alloys and Compounds, vol.615, pp.475-481, 2014.
DOI : 10.1016/j.jallcom.2014.06.095

URL : https://hal.archives-ouvertes.fr/hal-00411561

B. M. Walsh, G. W. Grew, and N. P. Barnes, Energy levels and intensity parameters of ions in Y3Al5O12 and Lu3Al5O12, Journal of Physics and Chemistry of Solids, vol.67, issue.7, pp.1567-1582, 2006.
DOI : 10.1016/j.jpcs.2006.01.123

A. Lukowiak, A. Chiasera, and A. Chiappini, Active sol-gel materials, fluorescence spectra and lifetimes, J. Sol-Gel Sci. Technol, pp.1-43, 2016.
DOI : 10.1007/978-3-319-19454-7_48-1

X. Feng, S. Tanabe, and T. Hanada, Hydroxyl groups in erbium-doped germanotellurite glasses, Journal of Non-Crystalline Solids, vol.281, issue.1-3, pp.48-54, 2001.
DOI : 10.1016/S0022-3093(00)00429-4

Y. Yan, A. J. Faber, and H. De-waal, Luminescence quenching by OH groups in highly Er-doped phosphate glasses, Journal of Non-Crystalline Solids, vol.181, issue.3, pp.283-290, 1995.
DOI : 10.1016/S0022-3093(94)00528-1

URL : https://pure.tue.nl/ws/files/1944493/621534.pdf

S. A. Payne, L. Chase, L. K. Smith, W. L. Kway, and W. Krupke, Infrared cross-section measurements for crystals doped with Er/sup 3+/, Tm/sup 3+/, and Ho/sup 3+/, IEEE Journal of Quantum Electronics, vol.28, issue.11, pp.2619-2630, 1992.
DOI : 10.1109/3.161321

D. Mccumber, Einstein Relations Connecting Broadband Emission and Absorption Spectra, Physical Review, vol.112, issue.4A, p.954, 1964.
DOI : 10.1103/PhysRev.112.1555

P. Zhang, Enhanced emission of 286 ??m from diode-pumped Ho^3+/Yb^3+-codoped PbF_2 crystal, Optics Express, vol.23, issue.4, pp.3920-3927, 2015.
DOI : 10.1364/OE.23.003920

R. Reisfeld and C. Jorgensen, Handbook on the physics and chemistry of rare earths. Excited state phenomena in vitreous materials, pp.41-44, 1987.