Abstract

Zirconium oxide (ZrO2) is a perspective co-dopant of rare-earth ions in silica fibers for use in fiber lasers. ZrO2 nanoparticles increase the solubility of rare-earth ions and enhance their luminescence properties. In this paper, we report on the fabrication of Zr-Tm codoped silica fibers using the MCVD method combined with modified solution-doping technique. Several fibers with different dopant concentrations were prepared and their optical properties were studied. It was found that increasing Zr concentration leads to the creation of larger ZrO2 nanoparticles which causes unwanted attenuation. Optimal Zr concentration was found to be 1 at. %. The fiber with optimal Zr concentration and Tm concentration of 260 ppm exhibited 1.8 µm fluorescence lifetime of 420 ± 10 µs. For the first time in literature, we have demonstrated laser operation in a Zr/Tm-codoped silica fiber. The threshold for laser operation was determined to be 233 mW and the slope efficiency of 72.7% was achieved. MCVD combined with modified solution doping proved to be a feasible method of preparation of Tm-doped SiO2-ZrO2 optical fibers for use in fiber lasers.

© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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    [Crossref]
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    [Crossref]
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    [Crossref]
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2019 (2)

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

2018 (3)

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

2016 (4)

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

A. V. Smith and J. J. Smith, “Mode instability thresholds for Tm-doped fiber amplifiers pumped at 790 nm,” Opt. Express 24(2), 975–992 (2016).
[Crossref]

2014 (1)

M. N. Zervas, “High Power Fiber Lasers: A Review,” IEEE J. Sel. Top. Quantum Electron. 20(5), 219–241 (2014).
[Crossref]

2012 (1)

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

2011 (1)

2009 (2)

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

2008 (2)

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

2006 (3)

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

2004 (1)

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm: silica fiber lasers; Spectroscopy and tunable pulsed laser operation around 1.9 μm,” Appl. Phys. B 78(3-4), 325–333 (2004).
[Crossref]

2003 (1)

1999 (1)

1987 (1)

J. E. Townsend, S. B. Poole, and D. N. Payne, “Solution doping technique for fabrication of rare-earth doped optical fibers,” Electron. Lett. 23(7), 329–331 (1987).
[Crossref]

1982 (1)

S. R. Nagel, J. B. McChesney, and K. L. Walker, “An overview of the MCVDprocess and performance,” IEEE J. Quantum Electron. 18(4), 459–476 (1982).
[Crossref]

Angeles-Chavez, C.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Aubrecht, J.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

Auguste, J.-L.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Baravets, Y.

Barnes, N. P.

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm: silica fiber lasers; Spectroscopy and tunable pulsed laser operation around 1.9 μm,” Appl. Phys. B 78(3-4), 325–333 (2004).
[Crossref]

Bass, M.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

Baxter, G. W.

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Becker, M.

Benda, A.

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

Bidault, X.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Blanc, W.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Blondy, J.-M.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Boulle, A.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

Bradford, J. D.

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

Brasse, G.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Bribiesca, S.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Cajzl, J.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

Carter, A. L. G.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Chaussedent, S.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Collins, S. F.

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Cook, J.

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

Cuba, V.

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

Dauger, A.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

De La Rosa, E.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Dhar, A.

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

Díaz-Torres, L. A.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Dussardier, B.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Faure, B.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

Francois-Saint-Cyr, H.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Frith, G.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Gaudon, A.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

Gibbs, W. E. K.

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Girman, V.

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

Guillermier, C.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Guinebretiére, R.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

Hautreux, S.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Hombourger, C.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Honzatko, P.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

Jackson, S. D.

Kamradek, M.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

Kasik, I.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

King, T. A.

Koska, M.

Kowalczyk, M.

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

Kubecek, V.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

Kumar, G. A.

Lacommne, S.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Lallet, F.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

Larson, D.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Le Coustumer, P.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

lecomte, A.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

López-Luke, T.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Martin, I.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Matejec, V.

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

McChesney, J. B.

S. R. Nagel, J. B. McChesney, and K. L. Walker, “An overview of the MCVDprocess and performance,” IEEE J. Quantum Electron. 18(4), 459–476 (1982).
[Crossref]

Michel, C.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

Monnom, G.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Montoya, A.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Mossman, S.

Moulton, P. F.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Mrazek, J.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

Nagel, S. R.

S. R. Nagel, J. B. McChesney, and K. L. Walker, “An overview of the MCVDprocess and performance,” IEEE J. Quantum Electron. 18(4), 459–476 (1982).
[Crossref]

Neuville, D.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Payne, D. N.

J. E. Townsend, S. B. Poole, and D. N. Payne, “Solution doping technique for fabrication of rare-earth doped optical fibers,” Electron. Lett. 23(7), 329–331 (1987).
[Crossref]

Pedrido, C.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Peterka, P.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Podrazky, O.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

M. Koska, P. Peterka, J. Aubrecht, O. Podrazky, F. Todorov, M. Becker, Y. Baravets, P. Honzatko, and I. Kasik, “Enhanced pump absorption efficiency in coiled and twisted double-clad thulium-doped fibers,” Opt. Express 24(1), 102–107 (2016).
[Crossref]

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

Pokhrel, M.

Poole, S. B.

J. E. Townsend, S. B. Poole, and D. N. Payne, “Solution doping technique for fabrication of rare-earth doped optical fibers,” Electron. Lett. 23(7), 329–331 (1987).
[Crossref]

Probostova, J.

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

Prochazkova, L.

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

Prosa, T.

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Puchy, V.

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

Restoin, C.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
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Richardson, M.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
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Richardson, M. C.

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

Rines, G. A.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Salas, P.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Samson, B.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Samuel, P.

Sandoz, F.

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Sardar, D. K.

Sebastian, T. L.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

Senior, J. M.

J. M. Senior, Optical Fiber Communications: Principles and Practice. Prentice Hall International (UK) Ltd.: London, UK, 1992.

Shah, L.

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

Simpson, D. A.

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

Sincore, A.

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

Slanicka, J.

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
[Crossref]

Slobodtchikov, E. V.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Smith, A. V.

Smith, J. J.

Sobon, G.

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

Sólis, D.

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

Sotor, J.

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

Soulestin, B.

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

Sudesh, V.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

Tarka, J.

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

Todorov, F.

Toncelli, A.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

Tonelli, M.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

Townsend, J. E.

J. E. Townsend, S. B. Poole, and D. N. Payne, “Solution doping technique for fabrication of rare-earth doped optical fibers,” Electron. Lett. 23(7), 329–331 (1987).
[Crossref]

Turri, G.

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

Ude, M.

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

Ueda, K. I.

Varak, P.

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

Walker, K. L.

S. R. Nagel, J. B. McChesney, and K. L. Walker, “An overview of the MCVDprocess and performance,” IEEE J. Quantum Electron. 18(4), 459–476 (1982).
[Crossref]

Wall, K. F.

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

Walsh, B. M.

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm: silica fiber lasers; Spectroscopy and tunable pulsed laser operation around 1.9 μm,” Appl. Phys. B 78(3-4), 325–333 (2004).
[Crossref]

Yagi, H.

Yanagitani, T.

Zervas, M. N.

M. N. Zervas, “High Power Fiber Lasers: A Review,” IEEE J. Sel. Top. Quantum Electron. 20(5), 219–241 (2014).
[Crossref]

Appl. Opt. (1)

Appl. Phys. B (1)

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm: silica fiber lasers; Spectroscopy and tunable pulsed laser operation around 1.9 μm,” Appl. Phys. B 78(3-4), 325–333 (2004).
[Crossref]

Appl. Sci. (1)

J. Mrazek, I. Kasik, L. Prochazkova, V. Cuba, V. Girman, V. Puchy, W. Blanc, P. Peterka, J. Aubrecht, J. Cajzl, and O. Podrazky, “YAG ceramic nanocrystals implementation into MCVD technology of active optical fibers,” Appl. Sci. 8(5), 833 (2018).
[Crossref]

Curr. Nanosci. (1)

I. Kasik, P. Peterka, J. Mrazek, and P. Honzatko, “Silica Optical Fibers Doped with Nanoparticles for Fiber Lasers and Broadband Sources,” Curr. Nanosci. 12(3), 277–290 (2016).
[Crossref]

Electron. Lett. (1)

J. E. Townsend, S. B. Poole, and D. N. Payne, “Solution doping technique for fabrication of rare-earth doped optical fibers,” Electron. Lett. 23(7), 329–331 (1987).
[Crossref]

Fibers (1)

J. Cajzl, P. Peterka, M. Kowalczyk, J. Tarka, G. Sobon, J. Sotor, J. Aubrecht, P. Honzatko, and I. Kasik, “Thulium-doped silica fibers with enhanced fluorescence lifetime and their application in ultrafast fiber lasers,” Fibers 6(3), 66 (2018).
[Crossref]

IEEE J. Quantum Electron. (1)

S. R. Nagel, J. B. McChesney, and K. L. Walker, “An overview of the MCVDprocess and performance,” IEEE J. Quantum Electron. 18(4), 459–476 (1982).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (3)

M. N. Zervas, “High Power Fiber Lasers: A Review,” IEEE J. Sel. Top. Quantum Electron. 20(5), 219–241 (2014).
[Crossref]

A. Sincore, J. D. Bradford, J. Cook, L. Shah, and M. C. Richardson, “High average power thulium-doped silica fiber lasers: review of systems and concepts,” IEEE J. Sel. Top. Quantum Electron. 24(3), 1–8 (2018).
[Crossref]

P. F. Moulton, G. A. Rines, E. V. Slobodtchikov, K. F. Wall, G. Frith, B. Samson, and A. L. G. Carter, “Tm-Doped Fiber Lasers: Fundamentals and Power Scaling,” IEEE J. Sel. Top. Quantum Electron. 15(1), 85–92 (2009).
[Crossref]

IEEE Photonics J. (1)

M. Kamradek, I. Kasik, J. Aubrecht, J. Mrazek, O. Podrazky, J. Cajzl, P. Varak, V. Kubecek, P. Peterka, and P. Honzatko, “Nanoparticle and solution doping for efficient holmium fiber lasers,” IEEE Photonics J. 11(5), 1–10 (2019).
[Crossref]

Int. J. Appl. Ceram. Technol. (1)

A. Dhar, I. Kasik, O. Podrazky, and V. Matejec, “Preparation and Properties of Er-Doped ZrO2 Nanocrystalline Phase-Separated Preforms of Optical Fibers by MCVD Process,” Int. J. Appl. Ceram. Technol. 9(2), 341–348 (2012).
[Crossref]

J. Appl. Phys. (1)

G. Turri, V. Sudesh, M. Richardson, M. Bass, A. Toncelli, and M. Tonelli, “Temperature-dependent spectroscopic properties of in germanate, silica, and phosphate glasses: A comparative study,” J. Appl. Phys. 103(9), 093104 (2008).
[Crossref]

J. Lightwave Technol. (1)

J. Non-Cryst. Solids (3)

D. A. Simpson, G. W. Baxter, S. F. Collins, W. E. K. Gibbs, W. Blanc, B. Dussardier, and G. Monnom, “Energy transfer up-conversion in Tm3+-doped silica fiber,” J. Non-Cryst. Solids 352(2), 136–141 (2006).
[Crossref]

W. Blanc, T. L. Sebastian, B. Dussardier, C. Michel, B. Faure, M. Ude, and G. Monnom, “Thulium environment in a silica doped optical fibre,” J. Non-Cryst. Solids 354(2-9), 435–439 (2008).
[Crossref]

A. Gaudon, F. Lallet, A. Boulle, A. Lecomte, B. Soulestin, R. Guinebretiére, and A. Dauger, “From amorphous phase separations to nanostructured materialsin sol–gel derived ZrO2:Eu3+/SiO2and ZnO/SiO2composites,” J. Non-Cryst. Solids 352(21-22), 2152–2158 (2006).
[Crossref]

J. Phys. Chem. C (1)

W. Blanc, I. Martin, H. Francois-Saint-Cyr, X. Bidault, S. Chaussedent, C. Hombourger, S. Lacommne, P. Le Coustumer, D. Neuville, D. Larson, T. Prosa, and C. Guillermier, “Compositional Changes at the Early Stages of Nanoparticles Growth in Glasses,” J. Phys. Chem. C 123(47), 29008–29014 (2019).
[Crossref]

Opt. Express (2)

Opt. Mater. (2)

T. López-Luke, E. De La Rosa, D. Sólis, P. Salas, C. Angeles-Chavez, A. Montoya, L. A. Díaz-Torres, and S. Bribiesca, “Effect of the CTAB concentration on the upconversion emissionof ZrO2:Er3 + nanocrystals,” Opt. Mater. 29(1), 31–37 (2006).
[Crossref]

G. Brasse, C. Restoin, J.-L. Auguste, S. Hautreux, J.-M. Blondy, A. lecomte, F. Sandoz, and C. Pedrido, “Nanoscaled optical fibre obtained by the sol–gel process in the SiO2–ZrO2 system doped with rare earth ions,” Opt. Mater. 31(5), 765–768 (2009).
[Crossref]

Opt. Mater. Express (1)

Proc. SPIE (1)

J. Probostova, J. Slanicka, J. Mrazek, O. Podrazky, A. Benda, and P. Peterka, “Measurement of refractive index profile of non-symmetric, complex silica preforms with high refractive index differences,” Proc. SPIE 9886, 98861G (2016).
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Other (2)

J. M. Senior, Optical Fiber Communications: Principles and Practice. Prentice Hall International (UK) Ltd.: London, UK, 1992.

D. A. Simpson, W. E. K. Gibbs, S. F. Collins, W. Blanc, B. Dussardier, G. Monnom, P. Peterka, and G. W. Baxter, “Visible and near infra-red up-conversion in Tm3+/Yb3+ co-doped silica fibers under 980 nm excitation,” Opt. Express16(18) 16, 13781–13799 (2008).
[Crossref]

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Figures (7)

Fig. 1.
Fig. 1. Laser setup for the measurement of laser characteristics.
Fig. 2.
Fig. 2. a) Refractive index and concentration profiles of the 0.07M preform; b) Dependency of refractive index on the zirconium concentration calculated from the experimental data.
Fig. 3.
Fig. 3. SEM visualization of ZrO2 nanoparticles, a) 0.16M preform, overall view, b) 0.16M preform, detail, c) 0.07M preform, overall view, d) 0.07M preform, detail.
Fig. 4.
Fig. 4. Measured absorption spectra of the 0.1M, 0.09M and 0.07M fibers.
Fig. 5.
Fig. 5. Measured emission spectrum of the 0.07M fiber
Fig. 6.
Fig. 6. a) measured decay curve of the 0.07M fiber under 16 mW excitation with single and double exponential fits, b) fluorescence lifetimes of the 0.07M fiber from single and double exponential fits of the decay curves as a function of excitation power.
Fig. 7.
Fig. 7. a) Slope efficiency and laser threshold as functions of active fiber length, b) Output power of TDFL using 0.07M fiber (1.8 m) as a function of absorbed pump power; laser spectrum at 530 mW output power as inset

Tables (1)

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Table 1. Basic characteristics of the prepared preforms

Equations (2)

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N A = n c o r e 2 n c l a d d i n g 2
η = d P o u t d P a b s . p u m p