Abstract

We report on the experimental demonstration of a fiber chirped- pulse amplification system capable of generating nearly transform-limited sub 500 fs pulses with 2.2 mJ pulse energy at 11 W average power. The resulting record peak power of 3.8 GW could be achieved by combining active phase shaping with an efficient reduction of the acquired nonlinear phase. Therefore, we used an Ytterbium-doped large-pitch fiber with a mode field diameter of 105 µm as the main amplifier.

© 2010 OSA

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  1. D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
    [CrossRef]
  2. J. Boullet, Y. Zaouter, J. Limpert, S. Petit, Y. Mairesse, B. Fabre, J. Higuet, E. Mével, E. Constant, and E. Cormier, “High-order harmonic generation at a megahertz-level repetition rate directly driven by an ytterbium-doped-fiber chirped-pulse amplification system,” Opt. Lett. 34(9), 1489–1491 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=ol-34-9-1489 .
    [CrossRef] [PubMed]
  3. S. Hädrich, J. Rothhardt, M. Krebs, F. Tavella, A. Willner, J. Limpert, and A. Tünnermann, “High harmonic generation by novel fiber amplifier based sources,” Opt. Express 18(19), 20242–20250 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-19-20242 .
    [CrossRef] [PubMed]
  4. A. Ancona, S. Döring, C. Jauregui, F. Röser, J. Limpert, S. Nolte, and A. Tünnermann, “Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers,” Opt. Lett. 34(21), 3304–3306 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=OL-34-21-3304 .
    [CrossRef] [PubMed]
  5. J. C. Knight, T. A. Birks, P. S. Russell, and D. M. Atkin, “All-silica single-mode optical fiber with photonic crystal cladding,” Opt. Lett. 21(19), 1547–1549 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=ol-21-19-1547 .
    [CrossRef] [PubMed]
  6. P. Russell, “Photonic crystal fibers,” Science 299(5605), 358–362 (2003).
    [CrossRef] [PubMed]
  7. L. Dong, H. Mckay, A. Marcinkevicius, L. Fu, J. Li, B. Thomas, and M. Fermann, “Extending Effective Area of Fundamental Mode in Optical Fibers,” J. Lightwave Technol. 27(11), 1565–1570 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=JLT-27-11-1565 .
    [CrossRef]
  8. L. Dong, H. A. McKay, L. Fu, M. Ohta, A. Marcinkevicius, S. Suzuki, and M. E. Fermann, “Ytterbium-doped all glass leakage channel fibers with highly fluorine-doped silica pump cladding,” Opt. Express 17(11), 8962–8969 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-11-8962 .
    [CrossRef] [PubMed]
  9. F. Röser, T. Eidam, J. Rothhardt, O. Schmidt, D. N. Schimpf, J. Limpert, and A. Tünnermann, “Millijoule Pulse Energy high Repetition Rate Femtosecond Fiber CPA System,” Opt. Lett. 32, 3495 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=ol-32-24-3495 .
    [CrossRef] [PubMed]
  10. D. N. Schimpf, T. Eidam, E. Seise, S. Hädrich, J. Limpert, and A. Tünnermann, “Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity,” Opt. Express 17(21), 18774–18781 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-21-18774 .
    [CrossRef]
  11. J. Rothhardt, S. Hädrich, E. Seise, M. Krebs, F. Tavella, A. Willner, S. Düsterer, H. Schlarb, J. Feldhaus, J. Limpert, J. Rossbach, and A. Tünnermann, “High average and peak power few-cycle laser pulses delivered by fiber pumped OPCPA system,” Opt. Express 18(12), 12719–12726 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-12-12719 .
    [CrossRef] [PubMed]
  12. V. V. Lozovoy, I. Pastirk, and M. Dantus, “Multiphoton intrapulse interference. IV. Ultrashort laser pulse spectral phase characterization and compensation,” Opt. Lett. 29(7), 775–777 (2004), http://www.opticsinfobase.org/abstract.cfm?URI=ol-29-7-775 .
    [CrossRef] [PubMed]
  13. Z. Zhu and T. Brown, “Full-vectorial finite-difference analysis of microstructured optical fibers,” Opt. Express 10(17), 853–864 (2002), http://www.opticsinfobase.org/abstract.cfm?URI=oe-10-17-853 .
    [PubMed]
  14. F. Jansen, F. Stutzki, H.-J. Otto, M. Baumgartl, C. Jauregui, J. Limpert, and A. Tünnermann, “The influence of index-depressions in core-pumped Yb-doped large pitch fibers,” Opt. Express 18(26), 26834–26842 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-26834 .
    [CrossRef]
  15. M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
    [CrossRef]
  16. D. N. Schimpf, J. Limpert, and A. Tünnermann, “Optimization of high performance ultrafast fiber laser systems to >10 GW peak power,” J. Opt. Soc. Am. B 27(10), 2051–2060 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=josab-27-10-2051 .
    [CrossRef]
  17. S. Hädrich, J. Rothhardt, T. Eidam, J. Limpert, and A. Tünnermann, “High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system,” Opt. Express 17(5), 3913–3922 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-5-3913 .
    [CrossRef] [PubMed]

2010

2009

S. Hädrich, J. Rothhardt, T. Eidam, J. Limpert, and A. Tünnermann, “High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system,” Opt. Express 17(5), 3913–3922 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-5-3913 .
[CrossRef] [PubMed]

A. Ancona, S. Döring, C. Jauregui, F. Röser, J. Limpert, S. Nolte, and A. Tünnermann, “Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers,” Opt. Lett. 34(21), 3304–3306 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=OL-34-21-3304 .
[CrossRef] [PubMed]

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

J. Boullet, Y. Zaouter, J. Limpert, S. Petit, Y. Mairesse, B. Fabre, J. Higuet, E. Mével, E. Constant, and E. Cormier, “High-order harmonic generation at a megahertz-level repetition rate directly driven by an ytterbium-doped-fiber chirped-pulse amplification system,” Opt. Lett. 34(9), 1489–1491 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=ol-34-9-1489 .
[CrossRef] [PubMed]

L. Dong, H. Mckay, A. Marcinkevicius, L. Fu, J. Li, B. Thomas, and M. Fermann, “Extending Effective Area of Fundamental Mode in Optical Fibers,” J. Lightwave Technol. 27(11), 1565–1570 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=JLT-27-11-1565 .
[CrossRef]

L. Dong, H. A. McKay, L. Fu, M. Ohta, A. Marcinkevicius, S. Suzuki, and M. E. Fermann, “Ytterbium-doped all glass leakage channel fibers with highly fluorine-doped silica pump cladding,” Opt. Express 17(11), 8962–8969 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-11-8962 .
[CrossRef] [PubMed]

D. N. Schimpf, T. Eidam, E. Seise, S. Hädrich, J. Limpert, and A. Tünnermann, “Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity,” Opt. Express 17(21), 18774–18781 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-21-18774 .
[CrossRef]

2007

2004

2003

P. Russell, “Photonic crystal fibers,” Science 299(5605), 358–362 (2003).
[CrossRef] [PubMed]

2002

1997

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

1996

Ancona, A.

Atkin, D. M.

Baumgartl, M.

Birks, T. A.

Boullet, J.

Brown, T.

Constant, E.

Cormier, E.

Dantus, M.

Digonnet, M. J. F.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

Dong, L.

Döring, S.

Düsterer, S.

Eidam, T.

Fabre, B.

Feldhaus, J.

Fermann, M.

Fermann, M. E.

Fu, L.

Gaarde, M. B.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Hädrich, S.

Higuet, J.

Hostetter, J.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Jansen, F.

Jauregui, C.

Knight, J. C.

Krebs, M.

Li, J.

Limpert, J.

S. Hädrich, J. Rothhardt, M. Krebs, F. Tavella, A. Willner, J. Limpert, and A. Tünnermann, “High harmonic generation by novel fiber amplifier based sources,” Opt. Express 18(19), 20242–20250 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-19-20242 .
[CrossRef] [PubMed]

F. Jansen, F. Stutzki, H.-J. Otto, M. Baumgartl, C. Jauregui, J. Limpert, and A. Tünnermann, “The influence of index-depressions in core-pumped Yb-doped large pitch fibers,” Opt. Express 18(26), 26834–26842 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-26834 .
[CrossRef]

J. Rothhardt, S. Hädrich, E. Seise, M. Krebs, F. Tavella, A. Willner, S. Düsterer, H. Schlarb, J. Feldhaus, J. Limpert, J. Rossbach, and A. Tünnermann, “High average and peak power few-cycle laser pulses delivered by fiber pumped OPCPA system,” Opt. Express 18(12), 12719–12726 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-12-12719 .
[CrossRef] [PubMed]

D. N. Schimpf, J. Limpert, and A. Tünnermann, “Optimization of high performance ultrafast fiber laser systems to >10 GW peak power,” J. Opt. Soc. Am. B 27(10), 2051–2060 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=josab-27-10-2051 .
[CrossRef]

S. Hädrich, J. Rothhardt, T. Eidam, J. Limpert, and A. Tünnermann, “High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system,” Opt. Express 17(5), 3913–3922 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-5-3913 .
[CrossRef] [PubMed]

A. Ancona, S. Döring, C. Jauregui, F. Röser, J. Limpert, S. Nolte, and A. Tünnermann, “Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers,” Opt. Lett. 34(21), 3304–3306 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=OL-34-21-3304 .
[CrossRef] [PubMed]

J. Boullet, Y. Zaouter, J. Limpert, S. Petit, Y. Mairesse, B. Fabre, J. Higuet, E. Mével, E. Constant, and E. Cormier, “High-order harmonic generation at a megahertz-level repetition rate directly driven by an ytterbium-doped-fiber chirped-pulse amplification system,” Opt. Lett. 34(9), 1489–1491 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=ol-34-9-1489 .
[CrossRef] [PubMed]

D. N. Schimpf, T. Eidam, E. Seise, S. Hädrich, J. Limpert, and A. Tünnermann, “Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity,” Opt. Express 17(21), 18774–18781 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-21-18774 .
[CrossRef]

F. Röser, T. Eidam, J. Rothhardt, O. Schmidt, D. N. Schimpf, J. Limpert, and A. Tünnermann, “Millijoule Pulse Energy high Repetition Rate Femtosecond Fiber CPA System,” Opt. Lett. 32, 3495 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=ol-32-24-3495 .
[CrossRef] [PubMed]

Lozovoy, V. V.

Mairesse, Y.

Marcinkevicius, A.

Mckay, H.

McKay, H. A.

Mével, E.

Nolte, S.

Ohta, M.

Otto, H.-J.

Pantell, R. H.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

Pastirk, I.

Petit, S.

Röser, F.

Rossbach, J.

Rothhardt, J.

Russell, P.

P. Russell, “Photonic crystal fibers,” Science 299(5605), 358–362 (2003).
[CrossRef] [PubMed]

Russell, P. S.

Sadowski, R. W.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

Schafer, K. J.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Schibli, T. R.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Schimpf, D. N.

Schlarb, H.

Schmidt, O.

Seise, E.

Shaw, H. J.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

Stutzki, F.

Suzuki, S.

Tate, J. L.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Tavella, F.

Thomas, B.

Tünnermann, A.

S. Hädrich, J. Rothhardt, M. Krebs, F. Tavella, A. Willner, J. Limpert, and A. Tünnermann, “High harmonic generation by novel fiber amplifier based sources,” Opt. Express 18(19), 20242–20250 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-19-20242 .
[CrossRef] [PubMed]

F. Jansen, F. Stutzki, H.-J. Otto, M. Baumgartl, C. Jauregui, J. Limpert, and A. Tünnermann, “The influence of index-depressions in core-pumped Yb-doped large pitch fibers,” Opt. Express 18(26), 26834–26842 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-26834 .
[CrossRef]

J. Rothhardt, S. Hädrich, E. Seise, M. Krebs, F. Tavella, A. Willner, S. Düsterer, H. Schlarb, J. Feldhaus, J. Limpert, J. Rossbach, and A. Tünnermann, “High average and peak power few-cycle laser pulses delivered by fiber pumped OPCPA system,” Opt. Express 18(12), 12719–12726 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-12-12719 .
[CrossRef] [PubMed]

D. N. Schimpf, J. Limpert, and A. Tünnermann, “Optimization of high performance ultrafast fiber laser systems to >10 GW peak power,” J. Opt. Soc. Am. B 27(10), 2051–2060 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=josab-27-10-2051 .
[CrossRef]

S. Hädrich, J. Rothhardt, T. Eidam, J. Limpert, and A. Tünnermann, “High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system,” Opt. Express 17(5), 3913–3922 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-5-3913 .
[CrossRef] [PubMed]

A. Ancona, S. Döring, C. Jauregui, F. Röser, J. Limpert, S. Nolte, and A. Tünnermann, “Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers,” Opt. Lett. 34(21), 3304–3306 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=OL-34-21-3304 .
[CrossRef] [PubMed]

D. N. Schimpf, T. Eidam, E. Seise, S. Hädrich, J. Limpert, and A. Tünnermann, “Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity,” Opt. Express 17(21), 18774–18781 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-21-18774 .
[CrossRef]

F. Röser, T. Eidam, J. Rothhardt, O. Schmidt, D. N. Schimpf, J. Limpert, and A. Tünnermann, “Millijoule Pulse Energy high Repetition Rate Femtosecond Fiber CPA System,” Opt. Lett. 32, 3495 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=ol-32-24-3495 .
[CrossRef] [PubMed]

Willner, A.

Ye, J.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Yost, D. C.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Zaouter, Y.

Zhu, Z.

J. Lightwave Technol.

J. Opt. Soc. Am. B

Nat. Phys.

D. C. Yost, T. R. Schibli, J. Ye, J. L. Tate, J. Hostetter, M. B. Gaarde, and K. J. Schafer, “Vacuum-ultraviolet frequency combs from below-threshold harmonics,” Nat. Phys. 5(11), 815–820 (2009).
[CrossRef]

Opt. Express

L. Dong, H. A. McKay, L. Fu, M. Ohta, A. Marcinkevicius, S. Suzuki, and M. E. Fermann, “Ytterbium-doped all glass leakage channel fibers with highly fluorine-doped silica pump cladding,” Opt. Express 17(11), 8962–8969 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-11-8962 .
[CrossRef] [PubMed]

S. Hädrich, J. Rothhardt, M. Krebs, F. Tavella, A. Willner, J. Limpert, and A. Tünnermann, “High harmonic generation by novel fiber amplifier based sources,” Opt. Express 18(19), 20242–20250 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-19-20242 .
[CrossRef] [PubMed]

S. Hädrich, J. Rothhardt, T. Eidam, J. Limpert, and A. Tünnermann, “High energy ultrashort pulses via hollow fiber compression of a fiber chirped pulse amplification system,” Opt. Express 17(5), 3913–3922 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-5-3913 .
[CrossRef] [PubMed]

D. N. Schimpf, T. Eidam, E. Seise, S. Hädrich, J. Limpert, and A. Tünnermann, “Circular versus linear polarization in laser-amplifiers with Kerr-nonlinearity,” Opt. Express 17(21), 18774–18781 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=oe-17-21-18774 .
[CrossRef]

J. Rothhardt, S. Hädrich, E. Seise, M. Krebs, F. Tavella, A. Willner, S. Düsterer, H. Schlarb, J. Feldhaus, J. Limpert, J. Rossbach, and A. Tünnermann, “High average and peak power few-cycle laser pulses delivered by fiber pumped OPCPA system,” Opt. Express 18(12), 12719–12726 (2010), http://www.opticsinfobase.org/abstract.cfm?URI=oe-18-12-12719 .
[CrossRef] [PubMed]

Z. Zhu and T. Brown, “Full-vectorial finite-difference analysis of microstructured optical fibers,” Opt. Express 10(17), 853–864 (2002), http://www.opticsinfobase.org/abstract.cfm?URI=oe-10-17-853 .
[PubMed]

F. Jansen, F. Stutzki, H.-J. Otto, M. Baumgartl, C. Jauregui, J. Limpert, and A. Tünnermann, “The influence of index-depressions in core-pumped Yb-doped large pitch fibers,” Opt. Express 18(26), 26834–26842 (2010), http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-26-26834 .
[CrossRef]

Opt. Fiber Technol.

M. J. F. Digonnet, R. W. Sadowski, H. J. Shaw, and R. H. Pantell, “Resonantly Enhanced Nonlinearity in Doped Fibers for Low-Power All-Optical Switching: A Review,” Opt. Fiber Technol. 3(1), 44–64 (1997).
[CrossRef]

Opt. Lett.

V. V. Lozovoy, I. Pastirk, and M. Dantus, “Multiphoton intrapulse interference. IV. Ultrashort laser pulse spectral phase characterization and compensation,” Opt. Lett. 29(7), 775–777 (2004), http://www.opticsinfobase.org/abstract.cfm?URI=ol-29-7-775 .
[CrossRef] [PubMed]

A. Ancona, S. Döring, C. Jauregui, F. Röser, J. Limpert, S. Nolte, and A. Tünnermann, “Femtosecond and picosecond laser drilling of metals at high repetition rates and average powers,” Opt. Lett. 34(21), 3304–3306 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=OL-34-21-3304 .
[CrossRef] [PubMed]

J. C. Knight, T. A. Birks, P. S. Russell, and D. M. Atkin, “All-silica single-mode optical fiber with photonic crystal cladding,” Opt. Lett. 21(19), 1547–1549 (1996), http://www.opticsinfobase.org/abstract.cfm?URI=ol-21-19-1547 .
[CrossRef] [PubMed]

F. Röser, T. Eidam, J. Rothhardt, O. Schmidt, D. N. Schimpf, J. Limpert, and A. Tünnermann, “Millijoule Pulse Energy high Repetition Rate Femtosecond Fiber CPA System,” Opt. Lett. 32, 3495 (2007), http://www.opticsinfobase.org/abstract.cfm?URI=ol-32-24-3495 .
[CrossRef] [PubMed]

J. Boullet, Y. Zaouter, J. Limpert, S. Petit, Y. Mairesse, B. Fabre, J. Higuet, E. Mével, E. Constant, and E. Cormier, “High-order harmonic generation at a megahertz-level repetition rate directly driven by an ytterbium-doped-fiber chirped-pulse amplification system,” Opt. Lett. 34(9), 1489–1491 (2009), http://www.opticsinfobase.org/abstract.cfm?URI=ol-34-9-1489 .
[CrossRef] [PubMed]

Science

P. Russell, “Photonic crystal fibers,” Science 299(5605), 358–362 (2003).
[CrossRef] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Microscope images (all at the same scale) of a) standard step index fiber with 6 µm core and 125 µm outer diameter, b) 85 µm core rod type LPF with 200 µm airclad diameter, and c) 108 µm core LPF with 340 µm airclad diameter.

Fig. 2
Fig. 2

Schematic drawing of the experimental setup. AOM: Acousto-Optical Modulator, WDM: Wavelength Division Multiplexer, SLM: Spatial Light Modulator

Fig. 3
Fig. 3

Near field images of the LPF output beam profile for a) low output powers and b) for the maximum power level. Signal energy contained in the outer ring of the pump cladding is cut in the compressor (and therefore not included in the power measurements) and also blocked for M2 measurements.

Fig. 4
Fig. 4

a) Temporal profile (blue) and phase (green) of the output pulses at a maximum pulse energy of 2.2 mJ measured with a commercially available FROG device (GRENOUILLE 10-500). The insets show measured and retrieved FROG traces. The FROG error is 0.8%. b) Autocorrelation calculated from the FROG pulse (blue) and measured with autocorrelator (red).

Fig. 5
Fig. 5

a) Spectra before the main-amplifier (black) and after the compressor (red) at maximum pulse energy of 2.2 mJ measured with an optical spectrum analyzer. The Fourier-limit of the output spectrum is 415 fs. b) retrieved spectrum (blue) and residual spectral phase (green) measured at the same power level with a commercially available FROG device (GRENOUILLE 10-500). For comparison the output spectrum from a) is depicted in gray.

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