Abstract

We have demonstrated a monolithic cladding-pumped ytterbium-doped single all-fiber laser oscillator generating 1 kW of CW signal power at 1080 nm with 71% slope efficiency and near diffraction-limited beam quality. Fiber components were highly integrated on “spliceless” passive fibers to promote laser efficiency and alleviate non-linear effects. The laser was pumped through a 7:1 pump combiner with seven 200-W 91x nm fiber-pigtailed wavelength-beam-combined diode-stack modules. The signal power of such a single all-fiber laser oscillator showed no evidence of roll-over, and the highest output was limited only by available pump power.

©2012 Optical Society of America

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References

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  1. Y. Jeong, J. K. Sahu, D. N. Payne, and J. Nilsson, “Ytterbium-doped large-core fiber laser with 1.36 kW continuous-wave output power,” Opt. Express 12(25), 6088–6092 (2004).
    [Crossref] [PubMed]
  2. Y. Jeong, A. J. Boyland, J. K. Sahu, S. Chung, J. Nilsson, and D. N. Payne, “Multi-kilowatt single-mode Ytterbium-doped large-core fiber laser,” J. Opt. Soc. Korea 13(4), 416–422 (2009).
    [Crossref]
  3. V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, V. Fomin, A. Mashkin, M. Abramov, and S. Ferin, “2 kW CW ytterbium fiber laser with record diffraction-limited brightness” in Proc. Conference on Lasers and Electro-Optics Europe2005, 508.
  4. D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
    [Crossref]
  5. J. Edgecumbe, D. Bjork, J. Galipeau, G. Boivin, S. Christianson, B. Samson, and K. Tankala, “Monolithic, turn-key, 1-kW Yb-doped fiber master oscillator power amplifier,” in Proc. Of Solid State Diode Laser Technology Review2008, 193–199.
  6. V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW single mode fiber laser,” in Proc. of 5th International Symposium on High-Power Fiber Lasers and Their Applications, St. Petersburg, Russia, Jun. 28- Jul. 1, 2010, Session HPFL-1.3.
  7. D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
    [Crossref]
  8. T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE J. Sel. Top. Quantum Electron. 11(3), 567–577 (2005).
    [Crossref]
  9. J. T. Gopinath, B. Chann, T. Y. Fan, and A. Sanchez-Rubio, “1450-nm high-brightness wavelength-beam combined diode laser array,” Opt. Express 16(13), 9405–9410 (2008).
    [Crossref] [PubMed]
  10. R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
    [Crossref]
  11. J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
    [Crossref]
  12. C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
    [Crossref]

2011 (3)

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
[Crossref]

C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
[Crossref]

2009 (1)

2008 (1)

2007 (2)

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

2005 (1)

T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE J. Sel. Top. Quantum Electron. 11(3), 567–577 (2005).
[Crossref]

2004 (1)

Akbulut, M.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

Boyland, A. J.

Chann, B.

R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
[Crossref]

J. T. Gopinath, B. Chann, T. Y. Fan, and A. Sanchez-Rubio, “1450-nm high-brightness wavelength-beam combined diode laser array,” Opt. Express 16(13), 9405–9410 (2008).
[Crossref] [PubMed]

Chen, X.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Chung, S.

Crowley, A.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Eberhardt, R.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Engin, D.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

Fan, T. Y.

J. T. Gopinath, B. Chann, T. Y. Fan, and A. Sanchez-Rubio, “1450-nm high-brightness wavelength-beam combined diode laser array,” Opt. Express 16(13), 9405–9410 (2008).
[Crossref] [PubMed]

T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE J. Sel. Top. Quantum Electron. 11(3), 567–577 (2005).
[Crossref]

Glenn, J. D.

R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
[Crossref]

Gopinath, J. T.

Gray, S.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Gupta, S.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

Huang, R. K.

R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
[Crossref]

Jauregui, C.

C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
[Crossref]

Jeong, Y.

Klingebiel, S.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Li, M.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Limpert, J.

C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
[Crossref]

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Liu, A.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Lu, W.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

McIntosh, B.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

Nilsson, J.

Payne, D. N.

Peschel, T.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Roser, F.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Sahu, J. K.

Sanchez-Rubio, A.

Scheriber, T.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Tünnermann, A.

C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
[Crossref]

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Verdun, H. R.

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

Walton, D.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Wang, J.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

Wirth, C.

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

Zenteno, L.

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (2)

T. Y. Fan, “Laser beam combining for high-power, high-radiance sources,” IEEE J. Sel. Top. Quantum Electron. 11(3), 567–577 (2005).
[Crossref]

J. Limpert, F. Roser, S. Klingebiel, T. Scheriber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tünnermann, “The rising power of fiber lasers and amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007).
[Crossref]

J. Opt. Soc. Korea (1)

Opt. Express (2)

Proc. SPIE (4)

D. Engin, W. Lu, M. Akbulut, B. McIntosh, H. R. Verdun, and S. Gupta, “1kW CW Yb-fiber-amplifier with <0.5GHz linewidth and near-diffraction limited beam-quality, for coherent combining application,” Proc. SPIE 7914, 791407, 791407-7 (2011).
[Crossref]

R. K. Huang, B. Chann, and J. D. Glenn, “Ultra-high brightness, wavelength-stabilized, kW-class fiber-coupled diode laser,” Proc. SPIE 7918, 791810, 791810-9 (2011).
[Crossref]

D. Walton, S. Gray, J. Wang, M. Li, X. Chen, A. Liu, L. Zenteno, and A. Crowley, “Kilowatt-level, narrow-linewidth capable fibers and lasers,” Proc. SPIE 6453, 645314, 645314-10 (2007).
[Crossref]

C. Jauregui, J. Limpert, and A. Tünnermann, “On the Raman threshold of passive large mode area fibers,” Proc. SPIE 7914(791408), 791408 (2011).
[Crossref]

Other (3)

J. Edgecumbe, D. Bjork, J. Galipeau, G. Boivin, S. Christianson, B. Samson, and K. Tankala, “Monolithic, turn-key, 1-kW Yb-doped fiber master oscillator power amplifier,” in Proc. Of Solid State Diode Laser Technology Review2008, 193–199.

V. Fomin, M. Abramov, A. Ferin, A. Abramov, D. Mochalov, N. Platonov, and V. Gapontsev, “10 kW single mode fiber laser,” in Proc. of 5th International Symposium on High-Power Fiber Lasers and Their Applications, St. Petersburg, Russia, Jun. 28- Jul. 1, 2010, Session HPFL-1.3.

V. Gapontsev, D. Gapontsev, N. Platonov, O. Shkurikhin, V. Fomin, A. Mashkin, M. Abramov, and S. Ferin, “2 kW CW ytterbium fiber laser with record diffraction-limited brightness” in Proc. Conference on Lasers and Electro-Optics Europe2005, 508.

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Figures (4)

Fig. 1
Fig. 1 Schematic layout of the WBC pumps in the slow-axis plane of the laser diodes. Beam footprints are modeled with ZEMAX for three locations: cylindrical lens, output coupler and fiber entrance.

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Fig. 2
Fig. 2 Typical results of fiber-coupled WBC diode pumps. (a) L-I and PCE curves: WBC power measured after output coupler (green dashed), fiber output power (blue solid), and PCE of the fiber-coupled module (red solid); (b) WBC pump spectrum.

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Fig. 3
Fig. 3 Architecture of the all-fiber laser oscillator.

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Fig. 4
Fig. 4 Test results of the 1-kW all-fiber laser oscillator. (a) Fiber laser output power (green square) and beam quality factor, M2 (red circle); (b) spectrum of fiber laser output at 1 kW overlaid on the OC reflectivity (The fiber laser spectrum was digitized from an OSA image).

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Equations (1)

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P th SRS = 20.3−lnβ+ln( A eff g R L eff ) g R L eff A eff ,

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