Abstract

We demonstrate direct generation of sub-50 fs pulses from a thulium-doped fiber amplifier. Broad spectra are obtained by exploiting nonlinear effects within the amplifier fiber itself. High fractional inversion densities of thulium ions achieved by a core-pumping scheme helped to extend spectra into the shorter wavelength region around 1.7 µm. Pulses with a duration of 48 fs are obtained at an average power of 2.5 W directly after the amplifier fiber, i.e., without using a compressor.

© 2017 Optical Society of America

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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
  13. N. Coluccelli, M. Cassinerio, P. Laporta, and G. Galzerano, “Single-clad Tm-Ho:fiber amplifier for high-power sub-100-fs pulses around 1.9 µm,” Opt. Lett. 38, 2757–2759 (2013).
    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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  22. J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
    [Crossref]
  23. K. F. Lee, X. Ding, T. J. Hammond, M. E. Fermann, G. Vampa, and P. B. Corkum, “Harmonic generation in solids with direct fiber laser pumping,” Opt. Lett. 42, 1113 (2017).
    [Crossref] [PubMed]
  24. M. Gebhardt, C. Gaida, F. Stutzki, S. Hädrich, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power nonlinear compression to 4 GW, sub-50 fs pulses at 2 µm wavelength,” Opt. Lett. 42, 747–750 (2017).
    [Crossref] [PubMed]

2017 (3)

2016 (3)

2015 (3)

2014 (1)

2013 (4)

2012 (3)

2010 (1)

2006 (1)

2005 (1)

2004 (1)

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm:silica fiber lasers; spectroscopy and tunable pulsed laser operation around 1.9 µm,” Appl. Phys. B 78, 325–333 (2004).
[Crossref]

2003 (1)

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

2002 (1)

2000 (1)

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

Adam, J.

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Adler, F.

Agger, S. D.

Bai, D.

Barnes, N. P.

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm:silica fiber lasers; spectroscopy and tunable pulsed laser operation around 1.9 µm,” Appl. Phys. B 78, 325–333 (2004).
[Crossref]

Boppart, S. A.

Byer, R. L.

Cassinerio, M.

Chang, G.

Clarkson, W. A.

Clausnitzer, T.

Coluccelli, N.

Corkum, P. B.

Daniel, J. M. O.

Diddams, S. A.

Digonnet, M. J. F.

Ding, X.

Doualan, J.

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Dudley, J. M.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

Eidam, T.

Fermann, M. E.

Fuchs, F.

Fuchs, H.-J.

Fuji, T.

Y. Nomura and T. Fuji, “Efficient chirped-pulse amplification based on thulium-doped ZBLAN fibers,” Appl. Phys. Express 10, 012703 (2017).
[Crossref]

Gaida, C.

Galzerano, G.

Gebhardt, M.

Girard, S.

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Hädrich, S.

Hammond, T. J.

Haquin, H.

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Harvey, J. D.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

Haxsen, F.

Holzwarth, R.

Hoogland, H.

Ibsen, M.

Imeshev, G.

Jackson, S. D.

S. D. Jackson, “Towards high-power mid-infrared emission from a fibre laser,” Nat. Photonics 6, 423–431 (2012).
[Crossref]

Jansen, F.

Jauregui, C.

Kadwani, P.

Kärtner, F. X.

Kley, E.-B.

Kracht, D.

Kruglov, V. I.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

Laporta, P.

Lee, K. F.

Li, W.

Limpert, J.

Liu, J.

Liu, W.

Liu, Y.

Luo, D.

Montagne, J.

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Morgner, U.

Neumann, J.

Nomura, Y.

Y. Nomura and T. Fuji, “Efficient chirped-pulse amplification based on thulium-doped ZBLAN fibers,” Appl. Phys. Express 10, 012703 (2017).
[Crossref]

Povlsen, J. H.

Richardson, M.

Rudy, C. W.

Schimpf, D. N.

Schreiber, T.

Shah, A. S. L.

Shi, H.

Simakov, N.

Sims, R. A.

Stutzki, F.

Sun, R.

Tan, F.

Thomsen, B. C.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

Tokurakawa, M.

Tu, H.

Tünnermann, A.

Urbanek, K. E.

Vampa, G.

Walsh, B. M.

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm:silica fiber lasers; spectroscopy and tunable pulsed laser operation around 1.9 µm,” Appl. Phys. B 78, 325–333 (2004).
[Crossref]

Wan, P.

Wandt, D.

Wang, C.

Wang, P.

Wienke, A.

Yang, L.-M.

Zeitner, U.

Zellmer, H.

Zeng, H.

Zöllner, K.

Appl. Phys. B (1)

B. M. Walsh and N. P. Barnes, “Comparison of Tm:ZBLAN and Tm:silica fiber lasers; spectroscopy and tunable pulsed laser operation around 1.9 µm,” Appl. Phys. B 78, 325–333 (2004).
[Crossref]

Appl. Phys. Express (1)

Y. Nomura and T. Fuji, “Efficient chirped-pulse amplification based on thulium-doped ZBLAN fibers,” Appl. Phys. Express 10, 012703 (2017).
[Crossref]

J. Lightwave Technol. (1)

Nat. Photonics (1)

S. D. Jackson, “Towards high-power mid-infrared emission from a fibre laser,” Nat. Photonics 6, 423–431 (2012).
[Crossref]

Opt. Express (7)

Opt. Lett. (11)

M. Gebhardt, C. Gaida, F. Stutzki, S. Hädrich, C. Jauregui, J. Limpert, and A. Tünnermann, “High average power nonlinear compression to 4 GW, sub-50 fs pulses at 2 µm wavelength,” Opt. Lett. 42, 747–750 (2017).
[Crossref] [PubMed]

K. F. Lee, X. Ding, T. J. Hammond, M. E. Fermann, G. Vampa, and P. B. Corkum, “Harmonic generation in solids with direct fiber laser pumping,” Opt. Lett. 42, 1113 (2017).
[Crossref] [PubMed]

C. Gaida, M. Gebhardt, F. Stutzki, C. Jauregui, J. Limpert, and A. Tünnermann, “Thulium-doped fiber chirped-pulse amplification system with 2 GW of peak power,” Opt. Lett. 41, 4130 (2016).
[Crossref] [PubMed]

H. Hoogland and R. Holzwarth, “Compact polarization-maintaining 2.05-µm fiber laser at 1-MHz and 1-MW peak power,” Opt. Lett. 40, 3520–3523 (2015).
[Crossref] [PubMed]

F. Stutzki, C. Gaida, M. Gebhardt, F. Jansen, A. Wienke, U. Zeitner, F. Fuchs, C. Jauregui, D. Wandt, D. Kracht, J. Limpert, and A. Tünnermann, “152 W average power Tm-doped fiber CPA system,” Opt. Lett. 39, 4671–4674 (2014).
[Crossref] [PubMed]

W. Liu, D. N. Schimpf, T. Eidam, J. Limpert, A. Tünnermann, F. X. Kärtner, and G. Chang, “Pre-chirp managed nonlinear amplification in fibers delivering 100 W, 60 fs pulses,” Opt. Lett. 40, 151–154 (2015).
[Crossref] [PubMed]

N. Coluccelli, M. Cassinerio, P. Laporta, and G. Galzerano, “Single-clad Tm-Ho:fiber amplifier for high-power sub-100-fs pulses around 1.9 µm,” Opt. Lett. 38, 2757–2759 (2013).
[Crossref] [PubMed]

F. Haxsen, D. Wandt, U. Morgner, J. Neumann, and D. Kracht, “Pulse energy of 151 nJ from ultrafast thulium-doped chirped-pulse fiber amplifier,” Opt. Lett. 35, 2991–2993 (2010).
[Crossref] [PubMed]

F. Adler and S. A. Diddams, “High-power, hybrid Er:fiber/Tm:fiber frequency comb source in the 2 µm wavelength region,” Opt. Lett. 37, 1400–1402 (2012).
[Crossref] [PubMed]

Y. Liu, H. Tu, and S. A. Boppart, “Wave-breaking-extended fiber supercontinuum generation for high compression ratio transform-limited pulse compression,” Opt. Lett. 37, 2172–2174 (2012).
[Crossref] [PubMed]

R. A. Sims, P. Kadwani, A. S. L. Shah, and M. Richardson, “1 µJ, sub-500 fs chirped pulse amplification in a Tm-doped fiber system,” Opt. Lett. 38, 121–123 (2013).
[Crossref] [PubMed]

Opt. Mater. (Amst). (1)

J. Doualan, S. Girard, H. Haquin, J. Adam, and J. Montagne, “Spectroscopic properties and laser emission of Tm doped ZBLAN glass at 1.8 µm,” Opt. Mater. (Amst). 24, 563–574 (2003).
[Crossref]

Phys. Rev. Lett. (1)

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, “Self-similar propagation and amplification of parabolic pulses in optical fibers,” Phys. Rev. Lett. 84, 6010–6013 (2000).
[Crossref] [PubMed]

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Figures (5)

Fig. 1
Fig. 1

Schematic of the experimental setup.

Fig. 2
Fig. 2

Evolution of the amplified spectra measured as the launched pump power is increased.

Fig. 3
Fig. 3

(a) Average output power measured after the amplifier. The power increases linearly up to the pump power of 10 W, above which power the amplification saturates. The inset shows the near-field beam profile measured after the amplifier fiber at the pump power of 10 W. (b) Pulse duration obtained from FROG measurements plotted as a function of launched pump power.

Fig. 4
Fig. 4

Results of FROG measurements at the pump power of 10 W. (a) Experimentally measured FROG trace. (b) Pulse shape retrieved from the trace shown in (a). (c) Spectral intensity (blue solid curve) and phase (green dashed curve) profiles retrieved from the trace shown in (a).

Fig. 5
Fig. 5

The results of numerical calculations to simulate the effects of pump power increase. Plots with the same color correspond to the same data set. (a) Evolution of spectral profile plotted in a log scale. (b) Evolution of spectral phase. (c) Evolution of pulse shape plotted in a linear scale.

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