Abstract

Using passive coherent beam combining of two ultrafast fiber amplifiers, we demonstrate the generation of high temporal quality 300 fs and 650 μJ pulses corresponding to 60 W of average power at a repetition rate of 92 kHz. Furthermore, at 2 MHz of repetition rate record coherent combining average powers of 135 W before and 105 W after compression are measured. A combining efficiency higher than 90% is maintained over the whole range of output powers and repetition rates investigated demonstrating the efficiency and robustness of the passive combining technique. The measured pulse-to-pulse relative power fluctuation at high energy is 2%, indicating that the system is essentially immune to environmental phase noise. We believe the passive combining method to be an attractive approach for compact multi-GW peak power femtosecond fiber-based sources.

© 2012 Optical Society of America

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References

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  1. T. Eidam, J. Rothhardt, F. Stutzki, F. Jansen, S. Hädrich, H. Carstens, C. Jauregui, J. Limpert, and A. Tünnermann, Opt. Express 19, 255 (2011).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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2011 (4)

2010 (2)

2007 (1)

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Andersen, T. V.

Baker, J. T.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Benham, V.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Bourdon, P.

Breitkopf, S.

Carstens, H.

Daniault, L.

Demmler, S.

Druon, F.

Eidam, T.

T. Eidam, J. Rothhardt, F. Stutzki, F. Jansen, S. Hädrich, H. Carstens, C. Jauregui, J. Limpert, and A. Tünnermann, Opt. Express 19, 255 (2011).
[CrossRef]

T. Eidam, S. Hanf, E. Seise, T. V. Andersen, T. Gabler, C. Wirth, T. Schreiber, J. Limpert, and A. Tünnermann, Opt. Lett. 35, 94 (2010).
[CrossRef]

F. Röser, D. Schimpf, J. Rothhardt, T. Eidam, J. Limpert, A. Tünnermann, and F. Salin, in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2008), paper WB22.

Gabler, T.

Georges, P.

Goular, D.

Hädrich, S.

Hanf, S.

Hanna, M.

Jansen, F.

Jauregui, C.

Khazanov, E.

E. Khazanov, in Advances in Solid State Lasers: Development and Applications (InTech, 2010), pp. 45–72.

Klenke, A.

Limpert, J.

Lombard, L.

Lu, C. A.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Mottay, E.

Papadopoulos, D. N.

Pilkington, D.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Röser, F.

F. Röser, D. Schimpf, J. Rothhardt, T. Eidam, J. Limpert, A. Tünnermann, and F. Salin, in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2008), paper WB22.

Rothhardt, J.

T. Eidam, J. Rothhardt, F. Stutzki, F. Jansen, S. Hädrich, H. Carstens, C. Jauregui, J. Limpert, and A. Tünnermann, Opt. Express 19, 255 (2011).
[CrossRef]

A. Klenke, E. Seise, S. Demmler, J. Rothhardt, S. Breitkopf, J. Limpert, and A. Tünnermann, Opt. Express 19, 24280 (2011).
[CrossRef]

F. Röser, D. Schimpf, J. Rothhardt, T. Eidam, J. Limpert, A. Tünnermann, and F. Salin, in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2008), paper WB22.

Salin, F.

F. Röser, D. Schimpf, J. Rothhardt, T. Eidam, J. Limpert, A. Tünnermann, and F. Salin, in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2008), paper WB22.

Sanchez, A. D.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Schimpf, D.

F. Röser, D. Schimpf, J. Rothhardt, T. Eidam, J. Limpert, A. Tünnermann, and F. Salin, in Advanced Solid-State Photonics, OSA Technical Digest Series (CD) (Optical Society of America, 2008), paper WB22.

Schreiber, T.

Seise, E.

Shay, T.

T. Shay, V. Benham, J. T. Baker, A. D. Sanchez, D. Pilkington, and C. A. Lu, IEEE J. Sel. Top. Quantum Electron. 13, 480 (2007).
[CrossRef]

Stutzki, F.

Tünnermann, A.

Wirth, C.

Zaouter, Y.

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Figures (4)

Fig. 1.
Fig. 1.

Experimental setup.

Fig. 2.
Fig. 2.

Left scale: output powers of the amplifier as a function of pump power at a repetition rate of 92 kHz. Right scale: combining efficiency as a function of pump power. Inset: beam profile taken at maximum energy at the output of the system.

Fig. 3.
Fig. 3.

(a) Autocorrelation traces measured at 650 μJ (blue) with an independent autocorrelator and (red dash) from a FROG measurement. (b) Retrieved temporal profile of the pulse from the FROG measurement (Error 27.104 on a 256×256 grid).

Fig. 4.
Fig. 4.

Optical spectrum measured (blue) at the output of the frontend and (red) after compression at maximum energy.

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