Abstract

We report the demonstration of a high-power single-side-pumped Yb:YAG planar waveguide amplifier seeded by an Yb:KYW femtosecond laser. Five passes through the amplifier yielded 700-fs pulses with average powers of 50 W at 1030 nm. A numerical simulation of the amplifier implied values for the laser transition saturation intensity, the small-signal intensity gain coefficient and the gain bandwidth of 10.0 kW cm−2, 1.6 cm−1, and 3.7 nm respectively, and identified gain-narrowing as the dominant pulse-shaping mechanism.

© 2012 OSA

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  1. S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
    [CrossRef]
  2. Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
    [CrossRef]
  3. P. Russbueldt, T. Mans, G. Rotarius, J. Weitenberg, H. D. Hoffmann, and R. Poprawe, “400W Yb:YAG Innoslab fs-amplifier,” Opt. Express17(15), 12230–12245 (2009).
    [CrossRef] [PubMed]
  4. J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
    [CrossRef]
  5. D. Filgas, D. Rockwell, and K. Spariosu, “Next-generation lasers for advanced active EO systems,” Raytheon Technol. Today1, 9–13 (2008).
  6. I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
    [CrossRef]
  7. G. R. Holtom, “Mode-locked Yb:KGW laser longitudinally pumped by polarization-coupled diode bars,” Opt. Lett.31(18), 2719–2721 (2006).
    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
  9. A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
    [CrossRef]
  10. A. A. Lagatsky, N. V. Kuleshov, and V. P. Mikhailov, “Diode-pumped CW lasing of Yb:KYW and Yb:KGW,” Opt. Commun.165(1-3), 71–75 (1999).
    [CrossRef]
  11. J. J. Degnan and D. R. Hall, “Finite-aperture waveguide-laser resonators,” IEEE J. Quantum Electron.9(9), 901–910 (1973).
    [CrossRef]
  12. H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
    [CrossRef]
  13. I. J. Thomson, H. J. Baker, N. Trela, J. F. Monjardin, J. D. R. Valera, and D. R. Hall, “Double sided diode edge-pumped Yb:YAG planar waveguide laser with 230W output power,” in Conf. Lasers Electro-Opt. 1–5 of 2009 OSA Technical Digest Series (Optical Society of America, 2009), Paper CThY4.
  14. I. J. Thomson, K. L. Wlodarczyk, D. R. Hall, and H. J. Baker, “High brightness Yb:YAG planar waveguide laser with an unstable resonator formed with a novel laser-machined, toroidal mode-selective mirror,” in Conf. Lasers, Sources, and Related Photonic Devices of 2012 OSA Technical Digest (Optical Society of America, 2012), Paper AW4A.19.
  15. W. F. Krupke, “Ytterbium solid-state lasers – The first decade,” IEEE J. Sel. Top. Quantum Electron.6(6), 1287–1296 (2000).
    [CrossRef]
  16. T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
    [CrossRef]

2011 (3)

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
[CrossRef]

2009 (2)

P. Russbueldt, T. Mans, G. Rotarius, J. Weitenberg, H. D. Hoffmann, and R. Poprawe, “400W Yb:YAG Innoslab fs-amplifier,” Opt. Express17(15), 12230–12245 (2009).
[CrossRef] [PubMed]

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

2008 (1)

D. Filgas, D. Rockwell, and K. Spariosu, “Next-generation lasers for advanced active EO systems,” Raytheon Technol. Today1, 9–13 (2008).

2007 (1)

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

2006 (1)

2004 (1)

2003 (1)

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

2001 (1)

H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
[CrossRef]

2000 (1)

W. F. Krupke, “Ytterbium solid-state lasers – The first decade,” IEEE J. Sel. Top. Quantum Electron.6(6), 1287–1296 (2000).
[CrossRef]

1999 (1)

A. A. Lagatsky, N. V. Kuleshov, and V. P. Mikhailov, “Diode-pumped CW lasing of Yb:KYW and Yb:KGW,” Opt. Commun.165(1-3), 71–75 (1999).
[CrossRef]

1973 (1)

J. J. Degnan and D. R. Hall, “Finite-aperture waveguide-laser resonators,” IEEE J. Quantum Electron.9(9), 901–910 (1973).
[CrossRef]

Baer, C. R. E.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Baker, H. J.

I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
[CrossRef]

H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
[CrossRef]

Baltimore, R. S.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Betin, A. A.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Brown, C. T. A.

A. A. Lagatsky, C. T. A. Brown, and W. Sibbett, “Highly efficient and low threshold diode-pumped Kerr-lens mode-locked Yb:KYW laser,” Opt. Express12(17), 3928–3933 (2004).
[CrossRef] [PubMed]

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Chesworth, A. A.

H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
[CrossRef]

Clatterbuck, T. O.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Degnan, J. J.

J. J. Degnan and D. R. Hall, “Finite-aperture waveguide-laser resonators,” IEEE J. Quantum Electron.9(9), 901–910 (1973).
[CrossRef]

Erbert, G.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Filgas, D.

D. Filgas, D. Rockwell, and K. Spariosu, “Next-generation lasers for advanced active EO systems,” Raytheon Technol. Today1, 9–13 (2008).

Filgas, D. M.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Golling, M.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Gong, M.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Hall, D. R.

I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
[CrossRef]

H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
[CrossRef]

J. J. Degnan and D. R. Hall, “Finite-aperture waveguide-laser resonators,” IEEE J. Quantum Electron.9(9), 901–910 (1973).
[CrossRef]

He, J.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Heckl, O. H.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Hoffmann, H. D.

Hoffmann, T.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Holtom, G. R.

Huang, L.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Huber, G.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Keller, U.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Klehr, A.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Kränkel, C.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Krupke, W. F.

W. F. Krupke, “Ytterbium solid-state lasers – The first decade,” IEEE J. Sel. Top. Quantum Electron.6(6), 1287–1296 (2000).
[CrossRef]

Kuleshov, N. V.

A. A. Lagatsky, N. V. Kuleshov, and V. P. Mikhailov, “Diode-pumped CW lasing of Yb:KYW and Yb:KGW,” Opt. Commun.165(1-3), 71–75 (1999).
[CrossRef]

Lagatsky, A. A.

A. A. Lagatsky, C. T. A. Brown, and W. Sibbett, “Highly efficient and low threshold diode-pumped Kerr-lens mode-locked Yb:KYW laser,” Opt. Express12(17), 3928–3933 (2004).
[CrossRef] [PubMed]

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

A. A. Lagatsky, N. V. Kuleshov, and V. P. Mikhailov, “Diode-pumped CW lasing of Yb:KYW and Yb:KGW,” Opt. Commun.165(1-3), 71–75 (1999).
[CrossRef]

Leburn, C. G.

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Liero, A.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Liu, Q.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Mans, T.

Mikhailov, V. P.

A. A. Lagatsky, N. V. Kuleshov, and V. P. Mikhailov, “Diode-pumped CW lasing of Yb:KYW and Yb:KGW,” Opt. Commun.165(1-3), 71–75 (1999).
[CrossRef]

Millas, D. P.

H. J. Baker, A. A. Chesworth, D. P. Millas, and D. R. Hall, “A planar waveguide Nd:YAG laser with a hybrid waveguide–unstable resonator,” Opt. Commun.191(1-2), 125–131 (2001).
[CrossRef]

Monjardin, F. J. F.

I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
[CrossRef]

Okhotnikov, O. G.

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Ostby, E. P.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Petermann, K.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Peters, R.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Poprawe, R.

Rafailov, E. U.

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Rockwell, D.

D. Filgas, D. Rockwell, and K. Spariosu, “Next-generation lasers for advanced active EO systems,” Raytheon Technol. Today1, 9–13 (2008).

Rockwell, D. A.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Rotarius, G.

Russbueldt, P.

Saraceno, C. J.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Schwertfeger, S.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Shkunov, V. V.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Sibbett, W.

A. A. Lagatsky, C. T. A. Brown, and W. Sibbett, “Highly efficient and low threshold diode-pumped Kerr-lens mode-locked Yb:KYW laser,” Opt. Express12(17), 3928–3933 (2004).
[CrossRef] [PubMed]

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Spariosu, K.

D. Filgas, D. Rockwell, and K. Spariosu, “Next-generation lasers for advanced active EO systems,” Raytheon Technol. Today1, 9–13 (2008).

Strohkendl, F. P.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Südmeyer, T.

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

Thomson, I. J.

I. J. Thomson, F. J. F. Monjardin, H. J. Baker, and D. R. Hall, “Efficient operation of a 400W diode side-pumped Yb:YAG planar waveguide laser,” IEEE J. Quantum Electron.47(10), 1336–1345 (2011).
[CrossRef]

Weitenberg, J.

Wenzel, H.

S. Schwertfeger, A. Klehr, T. Hoffmann, A. Liero, H. Wenzel, and G. Erbert, “Picosecond pulses with 50 W peak power and reduced ASE background from an all-semiconductor MOPA system,” Appl. Phys. B103(3), 603–607 (2011).
[CrossRef]

Xiang, N.

A. A. Lagatsky, E. U. Rafailov, C. G. Leburn, C. T. A. Brown, W. Sibbett, N. Xiang, and O. G. Okhotnikov, “Highly efficient femtosecond Yb:KYW laser pumped by single narrow-stripe laser diode,” Electron. Lett.39, 1108–1110 (2003).
[CrossRef]

Yan, P.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Zakharenkov, Y. A.

Y. A. Zakharenkov, T. O. Clatterbuck, V. V. Shkunov, A. A. Betin, D. M. Filgas, E. P. Ostby, F. P. Strohkendl, D. A. Rockwell, and R. S. Baltimore, “2-kW average power CW phase-conjugate solid-state laser,” IEEE J. Sel. Top. Quantum Electron.13(3), 473–479 (2007).
[CrossRef]

Zhang, H.

J. He, P. Yan, Q. Liu, L. Huang, H. Zhang, and M. Gong, “30 W output of short pulse duration nanosecond green laser generated by a hybrid fiber bulk MOPA system,” Laser Phys.21(4), 708–711 (2011).
[CrossRef]

Appl. Phys. B (2)

T. Südmeyer, C. Kränkel, C. R. E. Baer, O. H. Heckl, C. J. Saraceno, M. Golling, R. Peters, K. Petermann, G. Huber, and U. Keller, “High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation,” Appl. Phys. B97(2), 281–295 (2009).
[CrossRef]

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[CrossRef]

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[CrossRef]

IEEE J. Quantum Electron. (2)

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[CrossRef]

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[CrossRef]

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I. J. Thomson, K. L. Wlodarczyk, D. R. Hall, and H. J. Baker, “High brightness Yb:YAG planar waveguide laser with an unstable resonator formed with a novel laser-machined, toroidal mode-selective mirror,” in Conf. Lasers, Sources, and Related Photonic Devices of 2012 OSA Technical Digest (Optical Society of America, 2012), Paper AW4A.19.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the Yb:KYW oscillator and Yb:YAG slab-waveguide amplifier.

Fig. 2
Fig. 2

(a) Narrowing of the optical spectrum with increasing numbers of passes through the amplifier. (b) Intensity autocorrelation showing a corresponding increase of the pulse duration. (c) Average output power in the 5-pass configuration.

Fig. 3
Fig. 3

Numerical modelling results (solid lines) fitted to experimentally measured pulse parameters (symbols) by adjusting Esat, go and Δλg. Propagation between neighboring dashed vertical lines represents one pass through the 13-mm-long Yb:YAG crystal. The error bars in (b) represent the ± 0.5 nm accuracy of the spectrometer used to record the pulse spectra.

Tables (1)

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Table 1 Summary of MOPA characteristics after each pass through the amplifier

Equations (2)

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δA δz =gA+ k1 i k+1 β k k! δ k A δ t k +iγ | A | 2 A,
g= g 0 1+ 1 T R a I SAT T R /2 T R /2 | A( t' ) | 2 dt'

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