Abstract

The present work describes photodarkening from the viewpoint of cooperative luminescence. The temporal evolution of both effects was measured simultaneously by means of ytterbium doped aluminosilicate fibers for concentrations up to 1.8 wt% Yb3+. The quadratic dependence of photodarkening and cooperative luminescence versus dopant concentration was observed. The change in the photodarkening and cooperative luminescence mutual dynamics for highly and low doped fibers is ascribed to a different ion number which forms the cluster. Cooperative luminescence is proved to be a natural probe for photodarkening since it provides new pieces of information and contributes to the photodarkening mechanism description.

© 2011 OSA

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  1. R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
    [CrossRef]
  2. M. Engholm, L. Norin, and D. Åberg, “Strong UV absorption and visible luminescence in ytterbium-doped aluminosilicate glass under UV excitation,” Opt. Lett. 32(22), 3352–3354 (2007).
    [CrossRef] [PubMed]
  3. J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352(23-25), 2399–2403 (2006).
    [CrossRef]
  4. G. R. Atkins and A. L. G. Carter, “Photodarkening in Tb(3+)-doped phosphosilicate and germanosilicate optical fibers,” Opt. Lett. 19(12), 874–876 (1994).
    [CrossRef] [PubMed]
  5. M. M. Broer, D. M. Krol, and D. J. Digiovanni, “Highly nonlinear near-resonant photodarkening in a thulium-doped aluminosilicate glass fiber,” Opt. Lett. 18(10), 799–801 (1993).
    [CrossRef] [PubMed]
  6. P. Laperle, A. Chandonnet, and R. Vallée, “Photoinduced absorption in thulium-doped ZBLAN fibers,” Opt. Lett. 20(24), 2484–2486 (1995).
    [CrossRef] [PubMed]
  7. E. Nakazawa and S. Shionoya, “Cooperative Luminescence in YbPO4,” Phys. Rev. Lett. 25(25), 1710–1712 (1970).
    [CrossRef]
  8. S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
    [CrossRef]
  9. R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
    [CrossRef]
  10. B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
    [CrossRef]
  11. S. Yoo, C. Basu, A. J. Boyland, C. Sones, J. Nilsson, J. K. Sahu, and D. Payne, “Photodarkening in Yb-doped aluminosilicate fibers induced by 488 nm irradiation,” Opt. Lett. 32(12), 1626–1628 (2007).
    [CrossRef] [PubMed]
  12. P. D. Dragic, C. G. Carlson, and A. Croteau, “Characterization of defect luminescence in Yb doped silica fibers: part I NBOHC,” Opt. Express 16(7), 4688–4697 (2008).
    [CrossRef] [PubMed]
  13. A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
    [CrossRef]
  14. L. Dong, “Advanced Specialty Fibers for Applications in Fiber Lasers,” Advanced solid-state photonics, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JWA1.
  15. S. Jetschke, M. Leich, S. Unger, A. Schwuchow, and J. Kirchhof, “Influence of Tm- or Er-codoping on the photodarkening kinetics in Yb fibers,” Opt. Express 19(15), 14473–14478 (2011).
    [CrossRef] [PubMed]
  16. S. Taccheo, H. Gebavi, A. Monteville, O. Le Goffic, D. Landais, D. Mechin, D. Tregoat, B. Cadier, D. Milanese, and T. Robin, “Concentration dependence and self-similarity of photodarkening losses induced in Yb-doped fibers by comparable excitation,” Opt. Express 19, 19340–19345 (2011).
    [CrossRef] [PubMed]
  17. T. G. Ryan and S. D. Jackson, “Cooperative luminescence and absorption in ytterbium doped aluminosilicate glass optical fibres and preforms,” Opt. Commun. 273(1), 159–161 (2007).
    [CrossRef]
  18. S. Jetschke, S. Unger, A. Schwuchow, M. Leich, and J. Kirchhof, “Efficient Yb laser fibers with low photodarkening by optimization of the core composition,” Opt. Express 16(20), 15540–15545 (2008).
    [CrossRef] [PubMed]
  19. Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
    [CrossRef]
  20. A. V. Kir’yanov, Y. O. Barmenkov, I. L. Martinez, A. S. Kurkov, and E. M. Dianov, “Cooperative luminescence and absorption in Ytterbium-doped silica fiber and the fiber nonlinear transmission coefficient at λ=980 nm with a regard to the Ytterbium ion-pairs’ effect,” Opt. Express 14(9), 3981–3992 (2006).
    [CrossRef] [PubMed]
  21. S. Jetschke, S. Unger, U. Röpke, and J. Kirchhof, “Photodarkening in Yb doped fibers: experimental evidence of equilibrium states depending on the pump power,” Opt. Express 15(22), 14838–14843 (2007).
    [CrossRef] [PubMed]
  22. J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, and V. Reichel, “Yb doped silica based fibers: Correlation of photodarkening kinetics and related optical properties with the glass composition,” Proc. SPIE 7195, 71950S (2009).
    [CrossRef]
  23. C. G. Carlson, K. E. Keister, P. D. Dragic, A. Croteau, and J. G. Eden, “Photoexcitation of Yb-doped aluminosilicate fibers at 250 nm: evidence for excitation transfer from oxygen deficiency centers to Yb3+,” J. Opt. Soc. Am. B 27(10), 2087–2094 (2010).
    [CrossRef]

2011 (2)

2010 (1)

2009 (1)

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, and V. Reichel, “Yb doped silica based fibers: Correlation of photodarkening kinetics and related optical properties with the glass composition,” Proc. SPIE 7195, 71950S (2009).
[CrossRef]

2008 (2)

2007 (5)

2006 (2)

2002 (1)

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

2000 (1)

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

1997 (1)

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

1995 (2)

P. Laperle, A. Chandonnet, and R. Vallée, “Photoinduced absorption in thulium-doped ZBLAN fibers,” Opt. Lett. 20(24), 2484–2486 (1995).
[CrossRef] [PubMed]

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

1994 (2)

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

G. R. Atkins and A. L. G. Carter, “Photodarkening in Tb(3+)-doped phosphosilicate and germanosilicate optical fibers,” Opt. Lett. 19(12), 874–876 (1994).
[CrossRef] [PubMed]

1993 (1)

1970 (1)

E. Nakazawa and S. Shionoya, “Cooperative Luminescence in YbPO4,” Phys. Rev. Lett. 25(25), 1710–1712 (1970).
[CrossRef]

Åberg, D.

Atkins, G. R.

Auzel, F.

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

Barber, P. R.

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Barmenkov, Y. O.

A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
[CrossRef]

A. V. Kir’yanov, Y. O. Barmenkov, I. L. Martinez, A. S. Kurkov, and E. M. Dianov, “Cooperative luminescence and absorption in Ytterbium-doped silica fiber and the fiber nonlinear transmission coefficient at λ=980 nm with a regard to the Ytterbium ion-pairs’ effect,” Opt. Express 14(9), 3981–3992 (2006).
[CrossRef] [PubMed]

Barnes, W. L.

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

Basu, C.

Boyland, A. J.

Brocklesby, W. S.

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

Broer, M. M.

Brown, R. S.

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

Cadier, B.

Caplen, J. E.

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Carlson, C. G.

Carter, A. L. G.

Chandonnet, A.

Choi, Y. G.

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

Croteau, A.

Dianov, E. M.

Digiovanni, D. J.

Dragic, P. D.

Druetta, M.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Eden, J. G.

Engholm, M.

Ferdinand, P.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Gebavi, H.

Goldner, P.

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

Goure, J. P.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Grimm, S.

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352(23-25), 2399–2403 (2006).
[CrossRef]

Guzman Chávez, A. D.

A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
[CrossRef]

Hanna, D. C.

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Il’ichev, N. N.

A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
[CrossRef]

Jackson, S. D.

T. G. Ryan and S. D. Jackson, “Cooperative luminescence and absorption in ytterbium doped aluminosilicate glass optical fibres and preforms,” Opt. Commun. 273(1), 159–161 (2007).
[CrossRef]

Jetschke, S.

Keister, K. E.

Kim, K. H.

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

Kir’yanov, A. V.

A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
[CrossRef]

A. V. Kir’yanov, Y. O. Barmenkov, I. L. Martinez, A. S. Kurkov, and E. M. Dianov, “Cooperative luminescence and absorption in Ytterbium-doped silica fiber and the fiber nonlinear transmission coefficient at λ=980 nm with a regard to the Ytterbium ion-pairs’ effect,” Opt. Express 14(9), 3981–3992 (2006).
[CrossRef] [PubMed]

Kirchhof, J.

Krol, D. M.

Kurkov, A. S.

Landais, D.

Laperle, P.

Le Goffic, O.

Leich, M.

Magne, S.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Martinez, I. L.

Mechin, D.

Milanese, D.

Monnom, G.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Monteville, A.

Nakazawa, E.

E. Nakazawa and S. Shionoya, “Cooperative Luminescence in YbPO4,” Phys. Rev. Lett. 25(25), 1710–1712 (1970).
[CrossRef]

Nilsson, J.

S. Yoo, C. Basu, A. J. Boyland, C. Sones, J. Nilsson, J. K. Sahu, and D. Payne, “Photodarkening in Yb-doped aluminosilicate fibers induced by 488 nm irradiation,” Opt. Lett. 32(12), 1626–1628 (2007).
[CrossRef] [PubMed]

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Norin, L.

Ouerdane, Y.

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

Paschotta, R.

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Payne, D.

Prassas, M.

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

Reichel, V.

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, and V. Reichel, “Yb doped silica based fibers: Correlation of photodarkening kinetics and related optical properties with the glass composition,” Proc. SPIE 7195, 71950S (2009).
[CrossRef]

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352(23-25), 2399–2403 (2006).
[CrossRef]

Robin, T.

Röpke, U.

Ryan, T. G.

T. G. Ryan and S. D. Jackson, “Cooperative luminescence and absorption in ytterbium doped aluminosilicate glass optical fibres and preforms,” Opt. Commun. 273(1), 159–161 (2007).
[CrossRef]

Sahu, J. K.

Schaudel, B.

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

Schwuchow, A.

S. Jetschke, M. Leich, S. Unger, A. Schwuchow, and J. Kirchhof, “Influence of Tm- or Er-codoping on the photodarkening kinetics in Yb fibers,” Opt. Express 19(15), 14473–14478 (2011).
[CrossRef] [PubMed]

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, and V. Reichel, “Yb doped silica based fibers: Correlation of photodarkening kinetics and related optical properties with the glass composition,” Proc. SPIE 7195, 71950S (2009).
[CrossRef]

S. Jetschke, S. Unger, A. Schwuchow, M. Leich, and J. Kirchhof, “Efficient Yb laser fibers with low photodarkening by optimization of the core composition,” Opt. Express 16(20), 15540–15545 (2008).
[CrossRef] [PubMed]

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352(23-25), 2399–2403 (2006).
[CrossRef]

Seo, H. S.

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

Shin, Y. B.

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

Shionoya, S.

E. Nakazawa and S. Shionoya, “Cooperative Luminescence in YbPO4,” Phys. Rev. Lett. 25(25), 1710–1712 (1970).
[CrossRef]

Sones, C.

Taccheo, S.

Townsend, J. E.

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

Tregoat, D.

Tropper, A. C.

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Unger, S.

Vallée, R.

Yoo, S.

Chem. Phys. Lett. (1)

Y. G. Choi, Y. B. Shin, H. S. Seo, and K. H. Kim, “Spectral evolution of cooperative luminescence in an Yb3+-doped silica optical fiber,” Chem. Phys. Lett. 364(1-2), 200–205 (2002).
[CrossRef]

J. Alloy. Comp. (1)

B. Schaudel, P. Goldner, M. Prassas, and F. Auzel, “Cooperative luminescence as a probe of clustering in Yb3+ doped glasses,” J. Alloy. Comp. 300–301, 443–449 (2000).
[CrossRef]

J. Lumin. (1)

R. S. Brown, W. S. Brocklesby, W. L. Barnes, and J. E. Townsend, “Cooperative energy transfer in silica fibres doped with ytterbium and terbium,” J. Lumin. 63(1-2), l–7 (1995).
[CrossRef]

J. Non-Cryst. Solids (1)

J. Kirchhof, S. Unger, A. Schwuchow, S. Grimm, and V. Reichel, “Materials for high-power fiber lasers,” J. Non-Cryst. Solids 352(23-25), 2399–2403 (2006).
[CrossRef]

J. Opt. Soc. Am. B (1)

Laser Phys. Lett. (1)

A. D. Guzman Chávez, A. V. Kir’yanov, Y. O. Barmenkov, and N. N. Il’ichev, “Reversible photo-darkening and resonant photobleaching of Ytterbium-doped silica fiber at in-core 977-nm and 543-nm irradiation,” Laser Phys. Lett. 4(10), 734–739 (2007).
[CrossRef]

Opt. Commun. (3)

T. G. Ryan and S. D. Jackson, “Cooperative luminescence and absorption in ytterbium doped aluminosilicate glass optical fibres and preforms,” Opt. Commun. 273(1), 159–161 (2007).
[CrossRef]

S. Magne, Y. Ouerdane, M. Druetta, J. P. Goure, P. Ferdinand, and G. Monnom, “Cooperative luminescence in an ytterbium-doped silica fiber,” Opt. Commun. 111(3-4), 310–316 (1994).
[CrossRef]

R. Paschotta, J. Nilsson, P. R. Barber, J. E. Caplen, A. C. Tropper, and D. C. Hanna, “Lifetime quenching in Yb-doped fibres,” Opt. Commun. 136(5-6), 375–378 (1997).
[CrossRef]

Opt. Express (6)

S. Jetschke, S. Unger, A. Schwuchow, M. Leich, and J. Kirchhof, “Efficient Yb laser fibers with low photodarkening by optimization of the core composition,” Opt. Express 16(20), 15540–15545 (2008).
[CrossRef] [PubMed]

S. Jetschke, M. Leich, S. Unger, A. Schwuchow, and J. Kirchhof, “Influence of Tm- or Er-codoping on the photodarkening kinetics in Yb fibers,” Opt. Express 19(15), 14473–14478 (2011).
[CrossRef] [PubMed]

S. Taccheo, H. Gebavi, A. Monteville, O. Le Goffic, D. Landais, D. Mechin, D. Tregoat, B. Cadier, D. Milanese, and T. Robin, “Concentration dependence and self-similarity of photodarkening losses induced in Yb-doped fibers by comparable excitation,” Opt. Express 19, 19340–19345 (2011).
[CrossRef] [PubMed]

P. D. Dragic, C. G. Carlson, and A. Croteau, “Characterization of defect luminescence in Yb doped silica fibers: part I NBOHC,” Opt. Express 16(7), 4688–4697 (2008).
[CrossRef] [PubMed]

A. V. Kir’yanov, Y. O. Barmenkov, I. L. Martinez, A. S. Kurkov, and E. M. Dianov, “Cooperative luminescence and absorption in Ytterbium-doped silica fiber and the fiber nonlinear transmission coefficient at λ=980 nm with a regard to the Ytterbium ion-pairs’ effect,” Opt. Express 14(9), 3981–3992 (2006).
[CrossRef] [PubMed]

S. Jetschke, S. Unger, U. Röpke, and J. Kirchhof, “Photodarkening in Yb doped fibers: experimental evidence of equilibrium states depending on the pump power,” Opt. Express 15(22), 14838–14843 (2007).
[CrossRef] [PubMed]

Opt. Lett. (5)

Phys. Rev. Lett. (1)

E. Nakazawa and S. Shionoya, “Cooperative Luminescence in YbPO4,” Phys. Rev. Lett. 25(25), 1710–1712 (1970).
[CrossRef]

Proc. SPIE (1)

J. Kirchhof, S. Unger, S. Jetschke, A. Schwuchow, M. Leich, and V. Reichel, “Yb doped silica based fibers: Correlation of photodarkening kinetics and related optical properties with the glass composition,” Proc. SPIE 7195, 71950S (2009).
[CrossRef]

Other (1)

L. Dong, “Advanced Specialty Fibers for Applications in Fiber Lasers,” Advanced solid-state photonics, OSA Technical Digest (CD) (Optical Society of America, 2011), paper JWA1.

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Figures (6)

Fig. 1
Fig. 1

Experimental setup used to carry out PD and CL temporal evolution measurements simultaneously (‘L1’, ‘L2’ are collimating lenses, ‘F’ signs filter for 976 nm laser diode ‘LD’).

Fig. 2
Fig. 2

Integrated intensity of CL and Yb3+ NIR emission. Fiber length is 2 mm and preform slice thickness 0.5 mm. Experimental results were fitted on power function and the obtained exponents were: pfiber = (1.69 ± 0.05), ppreform = (2.21 ±0.09).

Fig. 3
Fig. 3

Characteristic temporal emission spectra of the 1.8 wt% Yb3+ doped fiber and the PD - probe at 633 nm.

Fig. 4
Fig. 4

(a) The temporal evolution of CL at 513 nm and PD probe at 633 nm for the sample doped with 0.5 wt% Yb3+ normalized on its final value; (b) CL and 633 nm probe temporal evolution for 1.35 wt% Yb3+ doped fiber sample.

Fig. 5
Fig. 5

CL and PD at 633 nm dependence in time. Excess loss values are processed by Eqs. (1) and 2. The fiber sample is doped with 1.35 wt% Yb3+. The power fit curve has a 1.70 ± 0.04 exponent coefficient.

Fig. 6
Fig. 6

Excess loss for different Yb3+ concentrations. The obtained power fit exponents are: p633 = (1.9 ± 0.2), and p513 = (2.2 ± 0.2).

Equations (2)

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R 633 = I 633 (t) I 633 (0) = e α 633 (t)L
R 513 = I 513 (t) I 513 (0) = 1 L 0 L e α 513 (t)( zL) dz= 1 e α 513 (t)L α 513 (t)L

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