Abstract

We present comparative measurements of polarization dependent gain in neodymium and ytterbium doped fiber amplifiers. It is demonstrated, that this effect is always present in neodymium doped fiber amplifiers while under appropriate operation conditions it can be suppressed in ytterbium doped fiber amplifiers.

© 2003 Optical Society of America

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References

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  1. Paul Wysocki and Vincent Mazurczyk, ??Polarization Dependent Gain in Erbium-Doped Fiber Amplifiers: Computer Model and Approximate Formulas,?? J. Lightwave Technol. 14, 572-584 (1996)
    [CrossRef]
  2. E.J. Greer, D.J. Lewis and W.M. Macauley, ??Polarisation dependent gain in erbium-doped fibre amplifiers,?? Electron. Lett. 30, 46-47 (1994)
    [CrossRef]
  3. Eyal Lichtman, ??Limitations Imposed by Polarization-Dependend Gain and Loss on All-Optical Ultralong Communication Systems,?? J. Lightwave Technol. 13, 906-913 (1995)
    [CrossRef]
  4. D.W. Hall and M.J. Weber, ??Polarized fluorescence line narrowing measurements in Nd laser glasses: Evidence of stimulated emission cross section anisotropy,?? Appl. Phys. Lett. 42, 157-159 (1983)
    [CrossRef]
  5. Douglas W. Hall, Roger A. Haas, William F. Krupke and Marvin J. Weber, ??Spectral and Polarization Hole Burning in Neodymium Glass Lasers,?? IEEE J. Quantum Electron. QE-19, 1704-1717 (1983)
    [CrossRef]

Appl. Phys. Lett. (1)

D.W. Hall and M.J. Weber, ??Polarized fluorescence line narrowing measurements in Nd laser glasses: Evidence of stimulated emission cross section anisotropy,?? Appl. Phys. Lett. 42, 157-159 (1983)
[CrossRef]

Electron. Lett. (1)

E.J. Greer, D.J. Lewis and W.M. Macauley, ??Polarisation dependent gain in erbium-doped fibre amplifiers,?? Electron. Lett. 30, 46-47 (1994)
[CrossRef]

IEEE J. Quantum Electron. (1)

Douglas W. Hall, Roger A. Haas, William F. Krupke and Marvin J. Weber, ??Spectral and Polarization Hole Burning in Neodymium Glass Lasers,?? IEEE J. Quantum Electron. QE-19, 1704-1717 (1983)
[CrossRef]

J. Lightwave Technol. (2)

Eyal Lichtman, ??Limitations Imposed by Polarization-Dependend Gain and Loss on All-Optical Ultralong Communication Systems,?? J. Lightwave Technol. 13, 906-913 (1995)
[CrossRef]

Paul Wysocki and Vincent Mazurczyk, ??Polarization Dependent Gain in Erbium-Doped Fiber Amplifiers: Computer Model and Approximate Formulas,?? J. Lightwave Technol. 14, 572-584 (1996)
[CrossRef]

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Figures (4)

Fig. 1.
Fig. 1.

Setup of the amplifier.

Fig. 2.
Fig. 2.

Determination of minimum power ratio needed for accurate PDG measurements.

Fig. 3.
Fig. 3.

PDG in the neodymium (a) and the 10 m-ytterbium (b) doped amplifier for different seed power.

Fig. 4.
Fig. 4.

Gain for zero-PDG in the ytterbium doped fiber amplifier for different fiber lengths.

Equations (2)

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G , = P out , , P in , ,
PDG = G G = P out , P in , · P in , P out , = P out , P out ,

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