Abstract

We numerically investigate the output characteristic of a gain guided, index anti-guided fiber amplifier with saturated gain. The result shows that there is an output power limitation depending on the inherent leakage loss of the fiber amplifier. But we find that the amplifier with the multimode condition can operate to get a high power output with keeping a good beam shape like a Gaussian beam.

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References

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  1. A. E. Siegman, “Propagating modes in gain-guided optical fibers,” J. Opt. Soc. Am. A 20(8), 1617–1628 (2003).
    [CrossRef]
  2. A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
    [CrossRef]
  3. A. E. Siegman, “Gain-guided, index-antiguided fiber lasers,” J. Opt. Soc. Am. B 24(8), 1677–1682 (2007).
    [CrossRef]
  4. Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
    [CrossRef]
  5. A. E. Siegman, Laser (Oxford University Press, Oxford, 1986).
  6. E. A. J. Marcatili and R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Sys. Tech. J. 1783–1809 (1964).
  7. A. J. van Wonderen, “Influence of transverse effects on self-induced polarization changes in an isotropic Kerr medium,” J. Opt. Soc. Am. B 14(5), 1118 (1997).
    [CrossRef]
  8. H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
    [CrossRef]
  9. H. S. Kim, T. McComb, V. Sudesh, and M. Richardson, “Numerical Investigation of Beam Propagation inside an Index Anti-guided Fiber Laser,” in Proc. CLEO/QELS Conference (Optical Society of America, 2008), Paper JTuA80.
  10. R. M. Jenkins and R. W. J. Devereux, “Effect of field regeneration on the TEM00 transmission characteristics of a circular-section waveguide,” Appl. Opt. 31(24), 5086–5091 (1992).
    [CrossRef] [PubMed]
  11. W. koechner and M. Bass, Solid-State lasers (Springer-Verlag, New York, 2003).

2007 (2)

2006 (1)

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

2003 (1)

1999 (1)

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

1997 (1)

1992 (1)

1964 (1)

E. A. J. Marcatili and R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Sys. Tech. J. 1783–1809 (1964).

Ballato, J.

Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Bass, M.

Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Cha, B. H.

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Chen, Y.

Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Devereux, R. W. J.

Foy, P.

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Hawkins, W.

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Jenkins, R. M.

Kim, H. S.

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Ko, D. K.

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Lee, J.

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Lim, G.

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Marcatili, E. A. J.

E. A. J. Marcatili and R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Sys. Tech. J. 1783–1809 (1964).

McComb, T.

Richardson, M.

Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Schmeltzer, R. A.

E. A. J. Marcatili and R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Sys. Tech. J. 1783–1809 (1964).

Siegman, A. E.

A. E. Siegman, “Gain-guided, index-antiguided fiber lasers,” J. Opt. Soc. Am. B 24(8), 1677–1682 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

A. E. Siegman, “Propagating modes in gain-guided optical fibers,” J. Opt. Soc. Am. A 20(8), 1617–1628 (2003).
[CrossRef]

Sudesh, V.

Y. Chen, V. Sudesh, T. McComb, M. Richardson, M. Bass, and J. Ballato, “Lasing in a Gain Guided Index Anti-Guided Fiber,” J. Opt. Soc. Am. B 24(8), 1683 (2007).
[CrossRef]

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

van Wonderen, A. J.

Appl. Opt. (1)

Appl. Phys. Lett. (1)

A. E. Siegman, Y. Chen, V. Sudesh, M. Richardson, M. Bass, P. Foy, W. Hawkins, and J. Ballato, “Confined propagation and near single mode laser oscillation in a gain guided, index antiguided optical fiber,” Appl. Phys. Lett. 89(25), 251101 (2006).
[CrossRef]

Bell Sys. Tech. J. (1)

E. A. J. Marcatili and R. A. Schmeltzer, “Hollow metallic and dielectric waveguides for long distance optical transmission and lasers,” Bell Sys. Tech. J. 1783–1809 (1964).

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

J. Opt. Soc. Am. B (3)

Opt. Commun. (1)

H. S. Kim, D. K. Ko, G. Lim, B. H. Cha, and J. Lee, “The influence of laser gain on stimulated Brillouin scattering in an active medium,” Opt. Commun. 167(1-6), 165–170 (1999).
[CrossRef]

Other (3)

H. S. Kim, T. McComb, V. Sudesh, and M. Richardson, “Numerical Investigation of Beam Propagation inside an Index Anti-guided Fiber Laser,” in Proc. CLEO/QELS Conference (Optical Society of America, 2008), Paper JTuA80.

A. E. Siegman, Laser (Oxford University Press, Oxford, 1986).

W. koechner and M. Bass, Solid-State lasers (Springer-Verlag, New York, 2003).

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Figures (7)

Fig. 1
Fig. 1

Expansion coefficients of a Gaussian beam for the EH1m as a function of w/a.

Fig. 2
Fig. 2

Intensity distribution on the fiber core axis for the case of 55-μm and 70.6-μm input beam size.

Fig. 3
Fig. 3

Normalized intensity distribution on the core axis of the fiber with g0 = 0.138/cm at the input power of 10 mW and 1 W.

Fig. 4
Fig. 4

Intensity distribution on the fiber core axis for the incident beam of 1-W power.

Fig. 5
Fig. 5

Amplified beam profile along the fiber axis with g0 = 0.5/cm for the incident beam of 1-W power.

Fig. 6
Fig. 6

Output beam profile at the end surface of a120-cm long fiber for the incident beam of 1-W power.

Fig. 7
Fig. 7

(a) Maximum output power (Pmax) and (b) the effective fiber length to get 90% of Pmax as varying the core radius.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

Ez=j12k2E+j2πωcnPNL
EInput(r)=m=1A1mEH1m(r).
2α1m=(u1m2πn)2λ02a3ν2+1(ν21)1/2
(u1mπ)2λ02a31(2n)3/2Δn,
PNL=j14πkg0E1+I/Isat,
dP(z)dz=(πw22)g0Isatln[1+2P(z)πw2Isat](u11π)2λ02a31(2n)3/2ΔnP(z),

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