Abstract

We report on a high-power ytterbium doped photonic crystal fiber amplifier using a single-frequency Nd:YAG non-planar ring oscillator seed source. With a large-mode-area photonic crystal fiber, operation below the threshold of stimulated Brillouin scattering is demonstrated with up to 148 W of continuous-wave output power and a slope efficiency of 75%. At maximum output power the amplified spontaneous emission was suppressed by more than 40 dB and the polarization extinction ratio was better than 22 dB. In order to investigate the overlap of the photonic crystal fiber transverse-mode with a Gaussian fundamental mode, sensitive beam quality measurements with a Fabry-Perot ring-cavity are presented.

© 2006 Optical Society of America

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  1. T. A. Birks, J. C. Knight, and P. St. J. Russell, "Endlessly single-mode photonic crystal fiber," Opt. Lett. 22, 961-963 (1997).
    [CrossRef] [PubMed]
  2. J. K. Ranka, R. S. Windeler, and A. J. Stentz, "Visible continuum generation in air-silica microstructure optical fibers with anomalous dispersion at 800 nm," Opt. Lett. 25, 25-27 (2000).
    [CrossRef]
  3. J. Limpert, A. Liem, M. Reich, T. Schreiber, S. Nolte, H. Zellmer, A. Tünnermann, J. Broeng, A. Petersson, and C. Jakobsen, "Low-nonlinearity single-transverse-mode ytterbium-doped photonic crystal fiber amplifier," Opt. Express 12, 1313-1319 (2004).
    [CrossRef] [PubMed]
  4. J. Limpert, O. Schmidt, J. Rothhardt, F. Röser, T. Schreiber, A. Tünnermann, S. Ermeneux, P. Yvernault, and F.  Salin, "Extended single-mode photonic crystal fiber lasers," Opt. Express 14, 2715-2720 (2006).
    [CrossRef] [PubMed]
  5. G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1995), Chap. 9.
  6. I. Zawischa, K. Plamann, C. Fallnich, H. Welling, H. Zellmer, and A. Tünnermann, "All-solid-state neodymium-based single-frequency master-oscillator fiber power-amplifier system emitting 5.5 W of radiation at 1064 nm," Opt. Lett. 24, 469-471 (1999).
    [CrossRef]
  7. T. J. Kane and R. L. Byer, "Monolithic, unidirectional single-mode Nd:YAG ring laser," Opt. Lett. 10,65-67 (1985).
    [CrossRef] [PubMed]
  8. M. Frede, R. Wilhelm, D. Kracht, C. Fallnich, F. Seifert, B. Willke, "195 W Injection-Locked Single-Frequency Laser System," in Conference on Lasers and Electro-Optics, (Optical Society of America, San Jose, California, 2005), CMA1.
  9. S. J. Augst, T. Y. Fan, A. Sanchez, "Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers," Opt. Lett. 29, 474-476 (2004).
    [CrossRef] [PubMed]
  10. A. Liem, J. Limpert, H. Zellmer, and A. Tünnermann, "100-W single-frequency master-oscillator fiber power amplifier," Opt. Lett. 28,1537-1539 (2003).
    [CrossRef] [PubMed]
  11. Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, C. Alegria, P. Dupriez, C. A. Codemard, D. N. Payne, R.  Horley, L. M. B. Hickey, L. Wanzcyk, C. E. Chryssou, J. A. Alvarez-Chavez, and P. W. Turner, "Single-frequency, single-mode, plane-polarized ytterbium-doped fiber master oscillator power amplifier source with 264 W of output power," Opt. Lett. 30,459-461 (2005).
    [CrossRef] [PubMed]
  12. J. P. Koplow, L. Goldberg, R. P. Moeller, and D. A. V. Kliner, "Single-mode operation of a coiled multimode fiber," Opt. Lett. 25, 442-444 (2000).
    [CrossRef]
  13. N. A. Brilliant, "Stimulated Brillouin scattering in a dual-clad fiber amplifier," J. Opt. Soc. Am. B 19, 2551-2557 (2002).
    [CrossRef]
  14. A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
    [CrossRef]
  15. A. E. Siegman, "New developments in laser resonators," in Optical Resonators, D. A. Holmes, ed., Proc. SPIE 1224, 2-14 (1990).
  16. A. Mafi, and J. V. Moloney, "Beam quality of Photonic-Crystal Fibers," J. Lightwave Technol. 23, 2267-2270 (2005).
    [CrossRef]
  17. B. Willke, N. Uehara, E. K. Gustafson, R. L. Byer, P. J. King, S. U. Seel, and R. L. Savage, "Spatial and temporal filtering of a 10-W Nd:YAG laser with a Fabry-Perot ring-cavity premode cleaner," Opt. Lett. 23, 1704-1706 (1998).
    [CrossRef]
  18. P. Weßels, and C. Fallnich, "Highly sensitive beam quality measurements on large-mode-area fiber amplifiers," Opt. Express 11, 3346-3351 (2003).
    [PubMed]
  19. S. Hädrich, T. Schreiber, T. Pertsch, J. Limpert, T. Peschel, R. Eberhardt, and A. Tünnermann, "Thermo-optical behavior of rare-earth-doped low-NA fibers in high power operation," Opt. Express 14, 6091-6097 (2006).
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  20. J. Limpert, T. Schreiber, S. Nolte, H. Zellmer, A. Tünnermann, R. Iliew, F. Lederer, J. Broeng, G. Vienna, A. Petersson, and C. Jakobsen, "High-power air-clad large-mode-area photonic crystal fiber laser," Opt. Express  11, 818-823 (2003).
    [CrossRef] [PubMed]

2006 (2)

2005 (2)

2004 (2)

2003 (3)

2002 (1)

2000 (3)

1999 (1)

1998 (1)

1997 (1)

1985 (1)

Alegria, C.

Alvarez-Chavez, J. A.

Augst, S. J.

Barkou, S. E.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Berg, T. W.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Birks, T. A.

Bjarklev, A.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Brilliant, N. A.

Broeng, J.

Byer, R. L.

Chryssou, C. E.

Codemard, C. A.

Dupriez, P.

Dyndgaard, M. G.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Eberhardt, R.

Ermeneux, S.

Fallnich, C.

Fan, T. Y.

Goldberg, L.

Gustafson, E. K.

Hädrich, S.

Hickey, L. M. B.

Horley, R.

Iliew, R.

Jakobsen, C.

Jeong, Y.

Kane, T. J.

King, P. J.

Kliner, D. A. V.

Knight, J. C.

Knudsen, E.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Koplow, J. P.

Lederer, F.

Liem, A.

Limpert, J.

Mafi, A.

Moeller, R. P.

Moloney, J. V.

Nilsson, J.

Nolte, S.

Payne, D. N.

Pertsch, T.

Peschel, T.

Petersson, A.

Plamann, K.

Ranka, J. K.

Reich, M.

Röser, F.

Rothhardt, J.

Russell, P. St. J.

Sahu, J. K.

Salin, F.

Sanchez, A.

Savage, R. L.

Schmidt, O.

Schreiber, T.

Seel, S. U.

Soh, D. B. S.

Sønergaard, T. S.

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

Stentz, A. J.

Tünnermann, A.

Turner, P. W.

Uehara, N.

Vienna, G.

Wanzcyk, L.

Welling, H.

Weßels, P.

Willke, B.

Windeler, R. S.

Yvernault, P.

Zawischa, I.

Zellmer, H.

J. Lightwave Technol. (1)

J. Opt. A: Pure Appl. Opt. (1)

A. Bjarklev, J. Broeng, S. E. Barkou, E. Knudsen, T. S. Sønergaard, T. W. Berg, and M. G. Dyndgaard, "Polarization properties of honeycomb-structured photonic bandgap fibres," J. Opt. A: Pure Appl. Opt. 2, 584-588 (2000).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Express (5)

Opt. Lett. (9)

T. A. Birks, J. C. Knight, and P. St. J. Russell, "Endlessly single-mode photonic crystal fiber," Opt. Lett. 22, 961-963 (1997).
[CrossRef] [PubMed]

J. K. Ranka, R. S. Windeler, and A. J. Stentz, "Visible continuum generation in air-silica microstructure optical fibers with anomalous dispersion at 800 nm," Opt. Lett. 25, 25-27 (2000).
[CrossRef]

S. J. Augst, T. Y. Fan, A. Sanchez, "Coherent beam combining and phase noise measurements of ytterbium fiber amplifiers," Opt. Lett. 29, 474-476 (2004).
[CrossRef] [PubMed]

A. Liem, J. Limpert, H. Zellmer, and A. Tünnermann, "100-W single-frequency master-oscillator fiber power amplifier," Opt. Lett. 28,1537-1539 (2003).
[CrossRef] [PubMed]

Y. Jeong, J. Nilsson, J. K. Sahu, D. B. S. Soh, C. Alegria, P. Dupriez, C. A. Codemard, D. N. Payne, R.  Horley, L. M. B. Hickey, L. Wanzcyk, C. E. Chryssou, J. A. Alvarez-Chavez, and P. W. Turner, "Single-frequency, single-mode, plane-polarized ytterbium-doped fiber master oscillator power amplifier source with 264 W of output power," Opt. Lett. 30,459-461 (2005).
[CrossRef] [PubMed]

J. P. Koplow, L. Goldberg, R. P. Moeller, and D. A. V. Kliner, "Single-mode operation of a coiled multimode fiber," Opt. Lett. 25, 442-444 (2000).
[CrossRef]

B. Willke, N. Uehara, E. K. Gustafson, R. L. Byer, P. J. King, S. U. Seel, and R. L. Savage, "Spatial and temporal filtering of a 10-W Nd:YAG laser with a Fabry-Perot ring-cavity premode cleaner," Opt. Lett. 23, 1704-1706 (1998).
[CrossRef]

I. Zawischa, K. Plamann, C. Fallnich, H. Welling, H. Zellmer, and A. Tünnermann, "All-solid-state neodymium-based single-frequency master-oscillator fiber power-amplifier system emitting 5.5 W of radiation at 1064 nm," Opt. Lett. 24, 469-471 (1999).
[CrossRef]

T. J. Kane and R. L. Byer, "Monolithic, unidirectional single-mode Nd:YAG ring laser," Opt. Lett. 10,65-67 (1985).
[CrossRef] [PubMed]

Other (3)

M. Frede, R. Wilhelm, D. Kracht, C. Fallnich, F. Seifert, B. Willke, "195 W Injection-Locked Single-Frequency Laser System," in Conference on Lasers and Electro-Optics, (Optical Society of America, San Jose, California, 2005), CMA1.

A. E. Siegman, "New developments in laser resonators," in Optical Resonators, D. A. Holmes, ed., Proc. SPIE 1224, 2-14 (1990).

G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1995), Chap. 9.

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Figures (7)

Fig. 1.
Fig. 1.

Experimental setup of the single-frequency PCF amplifier.

Fig. 2.
Fig. 2.

Output power characteristic of the single-frequency PCF amplifier. Power of the backward propagating light versus launched pump power.

Fig. 3.
Fig. 3.

Optical spectrum of the single-frequency fiber amplifier taken at 148 W of output power.

Fig. 4.
Fig. 4.

Polarization extinction ratio versus seed polarization angle at 148 W of output power.

Fig. 5.
Fig. 5.

M2 measurement at 148 W output power. Inset: CCD-camera far-field beam profile.

Fig. 6.
Fig. 6.

Normalized transmitted intensity through a premode cleaner as a function of the ring-cavity length in units of a free spectral range (FSR) at 28 W of amplifier power. Insets: CCD-camera profile of two higher-order modes.

Fig. 7.
Fig. 7.

Normalized transmitted intensity through a premode cleaner as a function of the ring-cavity length in units of a free spectral range (FSR) at 148 W of amplifier power. Insets: CCD-camera

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