Abstract

We report on the behavior of modal polarization states in a single-frequency, ytterbium-doped, few-mode fiber amplifier. Experimental data show that the polarization of the individual transverse modes depends on the pump power and that the modes tend towards orthogonally polarized states with increasing gain. The observations can be explained by local gain saturation that favors the amplification of differently polarized modes.

© 2008 Optical Society of America

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  1. R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
    [CrossRef]
  2. J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
    [CrossRef]
  3. C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).
  4. M. Tröbs, P. Wessels, and C. Fallnich, "Phase-noise properties of an ytterbium-doped fiber amplifier for the Laser Interferometer Space Antenna," Opt. Lett. 30, 789-791 (2005).
    [CrossRef]
  5. A. E. Siegmann, "New developments in laser resonators," Proc. SPIE 1224, 2-14 (1990).
  6. N. Andermahr, T. Theeg, and C. Fallnich, "Novel approach for polarization-sensitive measurements of transverse modes in few-mode optical fibers," Appl. Phys. B 91 (to be published).
  7. J. P. Koplow, L. Goldberg, R. P. Moeller, and D. A. V. Kliner, "Polarization-maintaining, double-clad fiber amplifier employing externally applied stress-induced birefringence," Opt. Lett. 25,387-389 (2000).
    [CrossRef]
  8. N. G. Walker and G. R. Walker, "Polarisation control for coherent optical fibre systems," Brit. Tel. Tech. Journal 5, 63-76 (1978).
  9. B. Willke, N. Uehara, E. K. Gustafson, R. L. Byer, P. J. King, S. U. Seel, and R. L. Savage, Jr., "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]
  10. E. Hecht, Optics (Addison-Wesley, 1987), pp. 321-323.
  11. T. Rowland, "Spherical Distance," http://mathworld.wolfram.com/SphericalDistance.html.
  12. Z. Jiang and J. R. Marciante, "Impact of transverse spatial-hole burning on beam quality in large-mode-area Yb-doped fibers," J. Opt. Soc. Am. B 25, 247-254 (2008).
    [CrossRef]
  13. AllanW.  Snyder and John D. Love, "Mode coupling," in Optical Waveguide Theory (Kluwer Academic Publishers, 1983), pp. 542-552.

2008 (1)

2005 (2)

M. Tröbs, P. Wessels, and C. Fallnich, "Phase-noise properties of an ytterbium-doped fiber amplifier for the Laser Interferometer Space Antenna," Opt. Lett. 30, 789-791 (2005).
[CrossRef]

C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).

2000 (1)

1998 (1)

1997 (1)

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

1992 (1)

J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
[CrossRef]

1990 (1)

A. E. Siegmann, "New developments in laser resonators," Proc. SPIE 1224, 2-14 (1990).

1978 (1)

N. G. Walker and G. R. Walker, "Polarisation control for coherent optical fibre systems," Brit. Tel. Tech. Journal 5, 63-76 (1978).

Allain, J. Y.

J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
[CrossRef]

Andermahr, N.

N. Andermahr, T. Theeg, and C. Fallnich, "Novel approach for polarization-sensitive measurements of transverse modes in few-mode optical fibers," Appl. Phys. B 91 (to be published).

Byer, R. L.

Fallnich, C.

M. Tröbs, P. Wessels, and C. Fallnich, "Phase-noise properties of an ytterbium-doped fiber amplifier for the Laser Interferometer Space Antenna," Opt. Lett. 30, 789-791 (2005).
[CrossRef]

N. Andermahr, T. Theeg, and C. Fallnich, "Novel approach for polarization-sensitive measurements of transverse modes in few-mode optical fibers," Appl. Phys. B 91 (to be published).

Goldberg, L.

Gustafson, E. K.

Hanna, D.C.

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

Jiang, Z.

King, P. J.

Kliner, D. A. V.

Koplow, J. P.

Marciante, J. R.

Moeller, R. P.

Monerie, M.

J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
[CrossRef]

Nilsson, J.

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

Paschotta, R.

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

Poignant, H.

J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
[CrossRef]

Savage, R. L.

Seefeld, T.

C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).

Seel, S. U.

Siegmann, A. E.

A. E. Siegmann, "New developments in laser resonators," Proc. SPIE 1224, 2-14 (1990).

Theeg, T.

N. Andermahr, T. Theeg, and C. Fallnich, "Novel approach for polarization-sensitive measurements of transverse modes in few-mode optical fibers," Appl. Phys. B 91 (to be published).

Thomy, C.

C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).

Tröbs, M.

Tropper, A.C.

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

Uehara, N.

Vollertsen, F.

C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).

Walker, G. R.

N. G. Walker and G. R. Walker, "Polarisation control for coherent optical fibre systems," Brit. Tel. Tech. Journal 5, 63-76 (1978).

Walker, N. G.

N. G. Walker and G. R. Walker, "Polarisation control for coherent optical fibre systems," Brit. Tel. Tech. Journal 5, 63-76 (1978).

Wessels, P.

Willke, B.

Adv. Mater. Res. (1)

C. Thomy, T. Seefeld, and F. Vollertsen, "High-Power Fibre Lasers Application Potentials for Welding of Steel and Aluminium Sheet Material," Adv. Mater. Res. 6-8, 171-178 (2005).

Appl. Phys. B (1)

N. Andermahr, T. Theeg, and C. Fallnich, "Novel approach for polarization-sensitive measurements of transverse modes in few-mode optical fibers," Appl. Phys. B 91 (to be published).

Brit. Tel. Tech. Journal (1)

N. G. Walker and G. R. Walker, "Polarisation control for coherent optical fibre systems," Brit. Tel. Tech. Journal 5, 63-76 (1978).

Electron. Lett. (1)

J. Y. Allain, M. Monerie, and H. Poignant, "Ytterbium-doped fluoride fibre laser operating at 1.02µm," Electron. Lett. 28, 988-989 (1992).
[CrossRef]

IEEE J. Quantum Electron. (1)

R. Paschotta, J. Nilsson, A.C. Tropper, and D.C. Hanna, "Ytterbium-doped fiber amplifiers," IEEE J. Quantum Electron. 33,1049-1056 (1997).
[CrossRef]

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

Opt. Lett. (3)

Proc. SPIE (1)

A. E. Siegmann, "New developments in laser resonators," Proc. SPIE 1224, 2-14 (1990).

Other (3)

E. Hecht, Optics (Addison-Wesley, 1987), pp. 321-323.

T. Rowland, "Spherical Distance," http://mathworld.wolfram.com/SphericalDistance.html.

AllanW.  Snyder and John D. Love, "Mode coupling," in Optical Waveguide Theory (Kluwer Academic Publishers, 1983), pp. 542-552.

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