Abstract

We have demonstrated a highly efficient cladding-pumped ytterbium-doped fiber laser, generating >2.1 kW of continuous-wave output power at 1.1 μm with 74% slope efficiency with respect to launched pump power. The beam quality factor (M2) was better than 1.2. The maximum output power was only limited by available pump power, showing no evidence of roll-over even at the highest output power. We present data on how the beam quality depends on the fiber parameter, based on our current and past fiber laser developments. We also discuss the ultimate power-capability of our fiber in terms of thermal management, Raman nonlinear scattering, and material damage, and estimate it to 10 kW.

© 2009 Optical Society of Korea

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  1. Y. Jeong, J. Sahu, D. Payne, and J. Nilsson, "Ytterbiumdoped large-core fiber laser with 1.36 kW continuouswave output power," Opt. Exp. 12, 6088-6092 (2004)
    [CrossRef]
  2. G. Bonati, H. Voelckel, U. Krause, A. Tunnermann, J. Limpert, A. Liem, T. Schreiber, S. Nolte, and H. Zellmer, "1.53 kW from a single Yb-doped photonic crystal fiber laser," Late Breaking Developments Session 5709-2a, Photonics West 2005
  3. Information available from http://www.ipgphotonics.com
  4. I.-B. Sohn, Y.-C. Noh, Y.-S. Kim, D.-K. Ko, and J. Lee, "Laser ablation of polypropylene films using nanosecond, picosecond, and femtosecond laser," J. Opt. Soc. Korea 12, 38-41 (2008)
    [CrossRef]
  5. Y. Izawa, N. Miyanaga, J. Kawanaka, and K. Yamakawa, "High power lasers and their new applications," J. Opt. Soc. Korea 12, 178-185 (2008)
    [CrossRef]
  6. S. Yoo, C. Basu, A. J. Boyland, C. L. Sones, J. Nilsson, J. K. Sahu, and D. N. Payne, "Photodarkening in Yb-doped aluminosilicate fibers induced by 488 nm irradiation," Opt. Lett. 32, 1626-1628 (2007)
    [CrossRef]
  7. M. Engholm and L. Norin, "Preventing photodarkening in ytterbium-doped high power fiber lasers; correlation to the UV-transparency of the core glass," Opt. Exp. 16, 1260-1268 (2008)
    [CrossRef]
  8. J. Koponen, M. Soderlund, H. J. Hoffman, D. A. V. Kliner, J. P. Koplow, and M. Hotoleanu, "Photodarkening rate in Yb-doped silica fibers," Appl. Opt. 47, 1247-1256 (2008)
    [CrossRef]
  9. Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, "Power scaling of single-frequency ytterbium-doped fiber master oscillator power amplifier sources up to 500 W," IEEE J. Select. Topics Quantum Electron. 13, 546-551 (2007)
    [CrossRef]
  10. P. Dupriez, A. Piper, A. Malinowski, J. K. Sahu, M. Ibsen, B. C. Thomsen, Y. Jeong, L. M. B. Hickey, M. N. Zervas, J. Nilsson, and D. J. Richardson, "High average power high repetition rate picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060 nm," IEEE Photon. Technol. Lett. 18, 1013-1014 (2006)
    [CrossRef]
  11. Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, "Ytterbium-doped largecore fibre laser with 272 W output power," Electron. Lett. 39, 977-978 (2003)
    [CrossRef]
  12. P. Laperle, C. Pare, H. Zheng, A. Croteau, and Y. Taillon, "Yb-doped LMA triple-clad fiber laser," in Proc. Photonics North 2006 (Quebec, Canada, Jun. 2006), paper FB-07-3-3
    [CrossRef]
  13. J. M. Fini, "Bend-resistant design of conventional and microstructure fibers with very large mode area," Opt. Exp. 14, 69-81 (2006)
    [CrossRef]
  14. J. K. Sahu, Y. Jeong, D. J. Richardson, and J. Nilsson, "A 103W erbium/ytterbium co-doped large-core fiber laser," Opt. Comm. 227, 159-163 (2003)
    [CrossRef]
  15. Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, P. Dupriez, C. A. Codemard, S. Baek, D. N. Payne, R. Horley, J. A. Alvarez-Chavez, and P. W. Turner, "Singlemode plane-polarized ytterbium-doped large-core fiber laser with 633 W continuous-wave output power," Opt. Lett. 30, 955-957 (2005)
    [CrossRef]
  16. Y. Jeong, S. Yoo, C. A. Codemard, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, P. W. Turner, L. Hickey, A. Harker, M. Lovelady, and A. Piper, "Erbium:ytterbium codoped large-core fiber laser with 297-W continuouswave output power," IEEE J. Select. Topics Quantum Electron. 13, 573-579 (2007)
    [CrossRef]
  17. Information available from http://www.newport.com
  18. D. C. Brown and H. J. Hoffman, "Thermal, stress, and thermo-optic effects in high average power double-clad silica fiber lasers," IEEE J. Quantum Electron. 37, 207-217 (2001)
    [CrossRef]
  19. Y. Wang, C.-Q. Xu, and H. Po, "Thermal effects in kilowatt fiber lasers," IEEE Photon. Technol. Lett. 16, 63-65 (2004)
    [CrossRef]
  20. G. P. Agrawal, Nonlinear Fiber Optics, 3rd ed. (Academic Press, New York, USA, 2001)
  21. A. A. Said, T. Xia, A. Dogariu, D. J. Hagan, M. J. Soileau, E. W. Van Stryland, and M. Mohebi, "Measurement of the optical damage threshold in fused quartz," Appl. Opt. 34, 3374-3376 (1995)
    [CrossRef]
  22. A. Smith, B. Do, and M. Soderlund, "Deterministic nanosecond laser-induced breakdown thresholds in pure and Yb3+ doped fused silica," Proc. SPIE 6453, 645317-645328 (2007)
    [CrossRef]
  23. W. Koechner, Solid-state Laser Engineering, 5th ed. (Springer, Berlin, Germany, 1999)
  24. Y. Jeong, S. Baek, P. Dupriez, J.-N. Maran, J. K. Sahu, J. Nilsson, and B. Lee, "Thermal characteristics of an end-pumped high-power ytterbium-sensitized erbium-doped fiber laser under natural convection," Opt. Exp. 16, 19865-19871 (2008)
    [CrossRef]
  25. Y. Jeong, P. Dupriez, J. K. Sahu, J. Nilsson, D. Shen, W. A. Clarkson, and S. D. Jackson, "Power-scaling of a 975-nm diode-pumped ytterbium sensitized thuliumdoped silica fibre laser operating in the 2 μm wavelength range," Electron. Lett. 41, 173-174 (2005)
    [CrossRef]

2008 (5)

I.-B. Sohn, Y.-C. Noh, Y.-S. Kim, D.-K. Ko, and J. Lee, "Laser ablation of polypropylene films using nanosecond, picosecond, and femtosecond laser," J. Opt. Soc. Korea 12, 38-41 (2008)
[CrossRef]

Y. Izawa, N. Miyanaga, J. Kawanaka, and K. Yamakawa, "High power lasers and their new applications," J. Opt. Soc. Korea 12, 178-185 (2008)
[CrossRef]

M. Engholm and L. Norin, "Preventing photodarkening in ytterbium-doped high power fiber lasers; correlation to the UV-transparency of the core glass," Opt. Exp. 16, 1260-1268 (2008)
[CrossRef]

J. Koponen, M. Soderlund, H. J. Hoffman, D. A. V. Kliner, J. P. Koplow, and M. Hotoleanu, "Photodarkening rate in Yb-doped silica fibers," Appl. Opt. 47, 1247-1256 (2008)
[CrossRef]

Y. Jeong, S. Baek, P. Dupriez, J.-N. Maran, J. K. Sahu, J. Nilsson, and B. Lee, "Thermal characteristics of an end-pumped high-power ytterbium-sensitized erbium-doped fiber laser under natural convection," Opt. Exp. 16, 19865-19871 (2008)
[CrossRef]

2007 (4)

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, "Power scaling of single-frequency ytterbium-doped fiber master oscillator power amplifier sources up to 500 W," IEEE J. Select. Topics Quantum Electron. 13, 546-551 (2007)
[CrossRef]

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

Y. Jeong, S. Yoo, C. A. Codemard, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, P. W. Turner, L. Hickey, A. Harker, M. Lovelady, and A. Piper, "Erbium:ytterbium codoped large-core fiber laser with 297-W continuouswave output power," IEEE J. Select. Topics Quantum Electron. 13, 573-579 (2007)
[CrossRef]

A. Smith, B. Do, and M. Soderlund, "Deterministic nanosecond laser-induced breakdown thresholds in pure and Yb3+ doped fused silica," Proc. SPIE 6453, 645317-645328 (2007)
[CrossRef]

2006 (3)

P. Laperle, C. Pare, H. Zheng, A. Croteau, and Y. Taillon, "Yb-doped LMA triple-clad fiber laser," in Proc. Photonics North 2006 (Quebec, Canada, Jun. 2006), paper FB-07-3-3
[CrossRef]

J. M. Fini, "Bend-resistant design of conventional and microstructure fibers with very large mode area," Opt. Exp. 14, 69-81 (2006)
[CrossRef]

P. Dupriez, A. Piper, A. Malinowski, J. K. Sahu, M. Ibsen, B. C. Thomsen, Y. Jeong, L. M. B. Hickey, M. N. Zervas, J. Nilsson, and D. J. Richardson, "High average power high repetition rate picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060 nm," IEEE Photon. Technol. Lett. 18, 1013-1014 (2006)
[CrossRef]

2005 (3)

G. Bonati, H. Voelckel, U. Krause, A. Tunnermann, J. Limpert, A. Liem, T. Schreiber, S. Nolte, and H. Zellmer, "1.53 kW from a single Yb-doped photonic crystal fiber laser," Late Breaking Developments Session 5709-2a, Photonics West 2005

Y. Jeong, P. Dupriez, J. K. Sahu, J. Nilsson, D. Shen, W. A. Clarkson, and S. D. Jackson, "Power-scaling of a 975-nm diode-pumped ytterbium sensitized thuliumdoped silica fibre laser operating in the 2 μm wavelength range," Electron. Lett. 41, 173-174 (2005)
[CrossRef]

Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, P. Dupriez, C. A. Codemard, S. Baek, D. N. Payne, R. Horley, J. A. Alvarez-Chavez, and P. W. Turner, "Singlemode plane-polarized ytterbium-doped large-core fiber laser with 633 W continuous-wave output power," Opt. Lett. 30, 955-957 (2005)
[CrossRef]

2004 (2)

Y. Jeong, J. Sahu, D. Payne, and J. Nilsson, "Ytterbiumdoped large-core fiber laser with 1.36 kW continuouswave output power," Opt. Exp. 12, 6088-6092 (2004)
[CrossRef]

Y. Wang, C.-Q. Xu, and H. Po, "Thermal effects in kilowatt fiber lasers," IEEE Photon. Technol. Lett. 16, 63-65 (2004)
[CrossRef]

2003 (2)

J. K. Sahu, Y. Jeong, D. J. Richardson, and J. Nilsson, "A 103W erbium/ytterbium co-doped large-core fiber laser," Opt. Comm. 227, 159-163 (2003)
[CrossRef]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, "Ytterbium-doped largecore fibre laser with 272 W output power," Electron. Lett. 39, 977-978 (2003)
[CrossRef]

2001 (2)

D. C. Brown and H. J. Hoffman, "Thermal, stress, and thermo-optic effects in high average power double-clad silica fiber lasers," IEEE J. Quantum Electron. 37, 207-217 (2001)
[CrossRef]

G. P. Agrawal, Nonlinear Fiber Optics, 3rd ed. (Academic Press, New York, USA, 2001)

1999 (1)

W. Koechner, Solid-state Laser Engineering, 5th ed. (Springer, Berlin, Germany, 1999)

1995 (1)

A. A. Said, T. Xia, A. Dogariu, D. J. Hagan, M. J. Soileau, E. W. Van Stryland, and M. Mohebi, "Measurement of the optical damage threshold in fused quartz," Appl. Opt. 34, 3374-3376 (1995)
[CrossRef]

Applied Optics (2)

J. Koponen, M. Soderlund, H. J. Hoffman, D. A. V. Kliner, J. P. Koplow, and M. Hotoleanu, "Photodarkening rate in Yb-doped silica fibers," Appl. Opt. 47, 1247-1256 (2008)
[CrossRef]

A. A. Said, T. Xia, A. Dogariu, D. J. Hagan, M. J. Soileau, E. W. Van Stryland, and M. Mohebi, "Measurement of the optical damage threshold in fused quartz," Appl. Opt. 34, 3374-3376 (1995)
[CrossRef]

Electronics Letters (2)

Y. Jeong, P. Dupriez, J. K. Sahu, J. Nilsson, D. Shen, W. A. Clarkson, and S. D. Jackson, "Power-scaling of a 975-nm diode-pumped ytterbium sensitized thuliumdoped silica fibre laser operating in the 2 μm wavelength range," Electron. Lett. 41, 173-174 (2005)
[CrossRef]

Y. Jeong, J. K. Sahu, R. B. Williams, D. J. Richardson, K. Furusawa, and J. Nilsson, "Ytterbium-doped largecore fibre laser with 272 W output power," Electron. Lett. 39, 977-978 (2003)
[CrossRef]

IEEE Journal of Quantum Electronics (1)

D. C. Brown and H. J. Hoffman, "Thermal, stress, and thermo-optic effects in high average power double-clad silica fiber lasers," IEEE J. Quantum Electron. 37, 207-217 (2001)
[CrossRef]

IEEE Journal of Selected Topics in Quantum Electronics (2)

Y. Jeong, S. Yoo, C. A. Codemard, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, P. W. Turner, L. Hickey, A. Harker, M. Lovelady, and A. Piper, "Erbium:ytterbium codoped large-core fiber laser with 297-W continuouswave output power," IEEE J. Select. Topics Quantum Electron. 13, 573-579 (2007)
[CrossRef]

Y. Jeong, J. Nilsson, J. K. Sahu, D. N. Payne, R. Horley, L. M. B. Hickey, and P. W. Turner, "Power scaling of single-frequency ytterbium-doped fiber master oscillator power amplifier sources up to 500 W," IEEE J. Select. Topics Quantum Electron. 13, 546-551 (2007)
[CrossRef]

IEEE Photonics Technology Letters (2)

P. Dupriez, A. Piper, A. Malinowski, J. K. Sahu, M. Ibsen, B. C. Thomsen, Y. Jeong, L. M. B. Hickey, M. N. Zervas, J. Nilsson, and D. J. Richardson, "High average power high repetition rate picosecond pulsed fiber master oscillator power amplifier source seeded by a gain-switched laser diode at 1060 nm," IEEE Photon. Technol. Lett. 18, 1013-1014 (2006)
[CrossRef]

Y. Wang, C.-Q. Xu, and H. Po, "Thermal effects in kilowatt fiber lasers," IEEE Photon. Technol. Lett. 16, 63-65 (2004)
[CrossRef]

Journal of the Optical Society of Korea (2)

I.-B. Sohn, Y.-C. Noh, Y.-S. Kim, D.-K. Ko, and J. Lee, "Laser ablation of polypropylene films using nanosecond, picosecond, and femtosecond laser," J. Opt. Soc. Korea 12, 38-41 (2008)
[CrossRef]

Y. Izawa, N. Miyanaga, J. Kawanaka, and K. Yamakawa, "High power lasers and their new applications," J. Opt. Soc. Korea 12, 178-185 (2008)
[CrossRef]

Optics Communications (1)

J. K. Sahu, Y. Jeong, D. J. Richardson, and J. Nilsson, "A 103W erbium/ytterbium co-doped large-core fiber laser," Opt. Comm. 227, 159-163 (2003)
[CrossRef]

Optics Express (4)

M. Engholm and L. Norin, "Preventing photodarkening in ytterbium-doped high power fiber lasers; correlation to the UV-transparency of the core glass," Opt. Exp. 16, 1260-1268 (2008)
[CrossRef]

J. M. Fini, "Bend-resistant design of conventional and microstructure fibers with very large mode area," Opt. Exp. 14, 69-81 (2006)
[CrossRef]

Y. Jeong, J. Sahu, D. Payne, and J. Nilsson, "Ytterbiumdoped large-core fiber laser with 1.36 kW continuouswave output power," Opt. Exp. 12, 6088-6092 (2004)
[CrossRef]

Y. Jeong, S. Baek, P. Dupriez, J.-N. Maran, J. K. Sahu, J. Nilsson, and B. Lee, "Thermal characteristics of an end-pumped high-power ytterbium-sensitized erbium-doped fiber laser under natural convection," Opt. Exp. 16, 19865-19871 (2008)
[CrossRef]

Optics Letters (2)

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

Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, P. Dupriez, C. A. Codemard, S. Baek, D. N. Payne, R. Horley, J. A. Alvarez-Chavez, and P. W. Turner, "Singlemode plane-polarized ytterbium-doped large-core fiber laser with 633 W continuous-wave output power," Opt. Lett. 30, 955-957 (2005)
[CrossRef]

Photonics North 2006, Pierre Mathieu (1)

P. Laperle, C. Pare, H. Zheng, A. Croteau, and Y. Taillon, "Yb-doped LMA triple-clad fiber laser," in Proc. Photonics North 2006 (Quebec, Canada, Jun. 2006), paper FB-07-3-3
[CrossRef]

Proc. SPIE (1)

A. Smith, B. Do, and M. Soderlund, "Deterministic nanosecond laser-induced breakdown thresholds in pure and Yb3+ doped fused silica," Proc. SPIE 6453, 645317-645328 (2007)
[CrossRef]

Other (5)

W. Koechner, Solid-state Laser Engineering, 5th ed. (Springer, Berlin, Germany, 1999)

G. Bonati, H. Voelckel, U. Krause, A. Tunnermann, J. Limpert, A. Liem, T. Schreiber, S. Nolte, and H. Zellmer, "1.53 kW from a single Yb-doped photonic crystal fiber laser," Late Breaking Developments Session 5709-2a, Photonics West 2005

Information available from http://www.ipgphotonics.com

G. P. Agrawal, Nonlinear Fiber Optics, 3rd ed. (Academic Press, New York, USA, 2001)

Information available from http://www.newport.com

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