Abstract

We demonstrate a compact and simple two-stage Yb:YAG single crystal fiber amplifier which delivers 160 W average power, 800 fs pulses without chirped pulse amplification. This is the highest average power of femtosecond laser based on SCF. Additionally, we demonstrate the highest small signal gain of 32.5 dB from the SCF in the first stage and the highest extraction efficiency of 42% in the second stage. The excellent performance of the second stage was obtained using the bidirectional pumping scheme, which is applied to SCF for the first time.

© 2015 Optical Society of America

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  1. J. Stone and C. A. Burrus, “Nd : Y2O3 single‐crystal fiber laser: Room‐temperature cw operation at 1.07‐ and 1.35‐μm wavelength,” J. Appl. Phys. 49(4), 2281–2287 (1978).
    [Crossref]
  2. M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
    [Crossref]
  3. R. S. Feigelson, “Opportunities for research on single-crystal fibers,” Mater. Sci. Eng. B 1(1), 67–75 (1988).
    [Crossref]
  4. D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).
  5. D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
    [Crossref]
  6. G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
    [Crossref]
  7. B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
    [Crossref]
  8. A. V. Okishev, “Highly efficient room-temperature Yb:YAG ceramic laser and regenerative amplifier,” Opt. Lett. 37(7), 1199–1201 (2012).
    [Crossref] [PubMed]
  9. T. Metzger, A. Schwarz, C. Y. Teisset, D. Sutter, A. Killi, R. Kienberger, and F. Krausz, “High-repetition-rate picosecond pump laser based on a Yb:YAG disk amplifier for optical parametric amplification,” Opt. Lett. 34(14), 2123–2125 (2009).
    [Crossref] [PubMed]
  10. P. Russbueldt, T. Mans, J. Weitenberg, H. D. Hoffmann, and R. Poprawe, “Compact diode-pumped 1.1 kW Yb:YAG Innoslab femtosecond amplifier,” Opt. Lett. 35(24), 4169–4171 (2010).
    [Crossref] [PubMed]
  11. C. Jauregui, J. Limpert, and A. Tunnermann, “High-power fibre lasers,” Nat. Photonics 7(11), 861–867 (2013).
    [Crossref]
  12. T. Eidam, J. Rothhardt, F. Stutzki, F. Jansen, S. Hädrich, H. Carstens, C. Jauregui, J. Limpert, and A. Tünnermann, “Fiber chirped-pulse amplification system emitting 3.8 GW peak power,” Opt. Express 19(1), 255–260 (2011).
    [Crossref] [PubMed]
  13. T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, “Femtosecond fiber CPA system emitting 830 W average output power,” Opt. Lett. 35(2), 94–96 (2010).
    [Crossref] [PubMed]
  14. X. Délen, S. Piehler, J. Didierjean, N. Aubry, A. Voss, M. A. Ahmed, T. Graf, F. Balembois, and P. Georges, “250 W single-crystal fiber Yb:YAG laser,” Opt. Lett. 37(14), 2898–2900 (2012).
    [Crossref] [PubMed]
  15. Y. Zaouter, I. Martial, N. Aubry, J. Didierjean, C. Hönninger, E. Mottay, F. Druon, P. Georges, and F. Balembois, “Direct amplification of ultrashort pulses in μ-pulling-down Yb:YAG single crystal fibers,” Opt. Lett. 36(5), 748–750 (2011).
    [Crossref] [PubMed]
  16. X. Délen, Y. Zaouter, I. Martial, N. Aubry, J. Didierjean, C. Hönninger, E. Mottay, F. Balembois, and P. Georges, “Yb:YAG single crystal fiber power amplifier for femtosecond sources,” Opt. Lett. 38(2), 109–111 (2013).
    [Crossref] [PubMed]
  17. M. Kienel, M. Müller, S. Demmler, J. Rothhardt, A. Klenke, T. Eidam, J. Limpert, and A. Tünnermann, “Coherent beam combination of Yb:YAG single-crystal rod amplifiers,” Opt. Lett. 39(11), 3278–3281 (2014).
    [Crossref] [PubMed]

2014 (1)

2013 (2)

2012 (2)

2011 (2)

2010 (3)

2009 (3)

T. Metzger, A. Schwarz, C. Y. Teisset, D. Sutter, A. Killi, R. Kienberger, and F. Krausz, “High-repetition-rate picosecond pump laser based on a Yb:YAG disk amplifier for optical parametric amplification,” Opt. Lett. 34(14), 2123–2125 (2009).
[Crossref] [PubMed]

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

1999 (1)

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

1988 (1)

R. S. Feigelson, “Opportunities for research on single-crystal fibers,” Mater. Sci. Eng. B 1(1), 67–75 (1988).
[Crossref]

1986 (1)

M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
[Crossref]

1978 (1)

J. Stone and C. A. Burrus, “Nd : Y2O3 single‐crystal fiber laser: Room‐temperature cw operation at 1.07‐ and 1.35‐μm wavelength,” J. Appl. Phys. 49(4), 2281–2287 (1978).
[Crossref]

Ahmed, M. A.

Andersen, T. V.

Aubry, N.

Balembois, F.

Brenier, A.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Brikas, M.

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

Bucher, G.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Burrus, C. A.

J. Stone and C. A. Burrus, “Nd : Y2O3 single‐crystal fiber laser: Room‐temperature cw operation at 1.07‐ and 1.35‐μm wavelength,” J. Appl. Phys. 49(4), 2281–2287 (1978).
[Crossref]

Carstens, H.

Délen, X.

Demmler, S.

Didierjean, J.

Digonnet, M. J. F.

M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
[Crossref]

Druon, F.

Eidam, T.

Feigelson, R. S.

R. S. Feigelson, “Opportunities for research on single-crystal fibers,” Mater. Sci. Eng. B 1(1), 67–75 (1988).
[Crossref]

Fourmigué, J.-M.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Gabler, T.

Gaeta, C. J.

M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
[Crossref]

Gecys, P.

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

Gedvilas, M.

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

Georges, P.

Graf, T.

Hädrich, S.

Hanf, S.

Hoffmann, H. D.

Hönninger, C.

Hunziker, U.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Jansen, F.

Jauregui, C.

Joss, B.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Kienberger, R.

Kienel, M.

Killi, A.

Klenke, A.

Krausz, F.

Lebbou, K.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Limpert, J.

Mans, T.

Martial, I.

Metzger, T.

Mottay, E.

Müller, M.

Muralt, M.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Neuenschwander, B.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Nikolaev, D. A.

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Nussbaum, Ch.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Okishev, A. V.

Perrodin, D.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Piehler, S.

Poprawe, R.

Raciukaitis, G.

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

Rothhardt, J.

Rusanov, S. Y.

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Russbueldt, P.

Sangla, D.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Schreiber, T.

Schuetz, P.

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

Schwarz, A.

Seise, E.

Shaw, H. J.

M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
[Crossref]

Shcherbakov, I. A.

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Stone, J.

J. Stone and C. A. Burrus, “Nd : Y2O3 single‐crystal fiber laser: Room‐temperature cw operation at 1.07‐ and 1.35‐μm wavelength,” J. Appl. Phys. 49(4), 2281–2287 (1978).
[Crossref]

Stutzki, F.

Sutter, D.

Teisset, C. Y.

Tillement, O.

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

Tsvetkov, V. B.

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Tunnermann, A.

C. Jauregui, J. Limpert, and A. Tunnermann, “High-power fibre lasers,” Nat. Photonics 7(11), 861–867 (2013).
[Crossref]

Tünnermann, A.

Voisiat, B.

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

Voss, A.

Weitenberg, J.

Wirth, C.

Yakovlev, A. A.

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Zaouter, Y.

Appl. Phys. B (1)

D. Sangla, I. Martial, N. Aubry, J. Didierjean, D. Perrodin, F. Balembois, K. Lebbou, A. Brenier, P. Georges, O. Tillement, and J.-M. Fourmigué, “High power laser operation with crystal fibers,” Appl. Phys. B 97(2), 263–273 (2009).
[Crossref]

J. Appl. Phys. (1)

J. Stone and C. A. Burrus, “Nd : Y2O3 single‐crystal fiber laser: Room‐temperature cw operation at 1.07‐ and 1.35‐μm wavelength,” J. Appl. Phys. 49(4), 2281–2287 (1978).
[Crossref]

J. Laser Micro/Nanoeng. (1)

G. Raciukaitis, M. Brikas, P. Gecys, B. Voisiat, and M. Gedvilas, “Use of high repetition rate and high power lasers in microfabrication: How to keep the efficiency high?” J. Laser Micro/Nanoeng. 4(3), 186–191 (2009).
[Crossref]

J. Lightwave Technol. (1)

M. J. F. Digonnet, C. J. Gaeta, and H. J. Shaw, “1.064- and 1.32-μm Nd:YAG single crystal fiber lasers,” J. Lightwave Technol. 4(4), 454–460 (1986).
[Crossref]

Laser Phys. (1)

D. A. Nikolaev, S. Y. Rusanov, I. A. Shcherbakov, V. B. Tsvetkov, and A. A. Yakovlev, “Guided Wave Nd : YAG Single-Crystal Fiber Lasers,” Laser Phys. 9, 319–323 (1999).

Mater. Sci. Eng. B (1)

R. S. Feigelson, “Opportunities for research on single-crystal fibers,” Mater. Sci. Eng. B 1(1), 67–75 (1988).
[Crossref]

Nat. Photonics (1)

C. Jauregui, J. Limpert, and A. Tunnermann, “High-power fibre lasers,” Nat. Photonics 7(11), 861–867 (2013).
[Crossref]

Opt. Express (1)

Opt. Lett. (8)

T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, “Femtosecond fiber CPA system emitting 830 W average output power,” Opt. Lett. 35(2), 94–96 (2010).
[Crossref] [PubMed]

X. Délen, S. Piehler, J. Didierjean, N. Aubry, A. Voss, M. A. Ahmed, T. Graf, F. Balembois, and P. Georges, “250 W single-crystal fiber Yb:YAG laser,” Opt. Lett. 37(14), 2898–2900 (2012).
[Crossref] [PubMed]

Y. Zaouter, I. Martial, N. Aubry, J. Didierjean, C. Hönninger, E. Mottay, F. Druon, P. Georges, and F. Balembois, “Direct amplification of ultrashort pulses in μ-pulling-down Yb:YAG single crystal fibers,” Opt. Lett. 36(5), 748–750 (2011).
[Crossref] [PubMed]

X. Délen, Y. Zaouter, I. Martial, N. Aubry, J. Didierjean, C. Hönninger, E. Mottay, F. Balembois, and P. Georges, “Yb:YAG single crystal fiber power amplifier for femtosecond sources,” Opt. Lett. 38(2), 109–111 (2013).
[Crossref] [PubMed]

M. Kienel, M. Müller, S. Demmler, J. Rothhardt, A. Klenke, T. Eidam, J. Limpert, and A. Tünnermann, “Coherent beam combination of Yb:YAG single-crystal rod amplifiers,” Opt. Lett. 39(11), 3278–3281 (2014).
[Crossref] [PubMed]

A. V. Okishev, “Highly efficient room-temperature Yb:YAG ceramic laser and regenerative amplifier,” Opt. Lett. 37(7), 1199–1201 (2012).
[Crossref] [PubMed]

T. Metzger, A. Schwarz, C. Y. Teisset, D. Sutter, A. Killi, R. Kienberger, and F. Krausz, “High-repetition-rate picosecond pump laser based on a Yb:YAG disk amplifier for optical parametric amplification,” Opt. Lett. 34(14), 2123–2125 (2009).
[Crossref] [PubMed]

P. Russbueldt, T. Mans, J. Weitenberg, H. D. Hoffmann, and R. Poprawe, “Compact diode-pumped 1.1 kW Yb:YAG Innoslab femtosecond amplifier,” Opt. Lett. 35(24), 4169–4171 (2010).
[Crossref] [PubMed]

Proc. SPIE (1)

B. Neuenschwander, G. Bucher, Ch. Nussbaum, B. Joss, M. Muralt, U. Hunziker, and P. Schuetz, “Processing of metals and dielectric materials with ps-laser pulses: results, strategies, limitations and needs,” Proc. SPIE 7584, 75840R (2010).
[Crossref]

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Figures (6)

Fig. 1
Fig. 1 Experimental setup.

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Fig. 2
Fig. 2 Gain curve of the first stage amplifier in a double pass signal configuration and maximum pump power of 140 W. Small signal gain amounts to 32.5 dB while the maximum output power is 42 W.

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Fig. 3
Fig. 3 Output power versus pump power of the second stage amplifier for 42 W input in a single pass signal configuration. Maximum output power is 162 W.

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Fig. 4
Fig. 4 The beam profiles in the 200 μm diameter focal point of 102 W, 124 W and 162 W beam obtained during the M2 measurement.

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Fig. 5
Fig. 5 Left: Autocorrelation trace of 800 fs pulses obtained at maximum output power of 162 W. Right: Optical spectra of the oscillator at 2.8 W and the amplifier at 162 W with 2.2 nm and 1.7 nm bandwidth, respectively.

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Fig. 6
Fig. 6 Amplifier gain curves.

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