Abstract

Measurements are reported on the open and closed-loop phase stability of a large-mode-area ytterbium-doped fiber amplifier. Phase fluctuations are characterized by a high-frequency low-amplitude jitter superimposed on a slow power-dependent drift. The amplifier may be phase locked to a precision of λ20 by using a low-bandwidth feedback loop.

© 2007 Optical Society of America

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References

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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
  4. H. Brusselbach, S. Wang, M. Minden, D. Jones, and M. Mangir, J. Opt. Soc. Am. B 22, 347 (2005).
    [CrossRef]
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  6. IPG Photonics oscillator, YLD-0.01-1064-LP-SF; amplifier, YAR-20-1060-LP-SF.
  7. Nufern PLMA YDF 20/400.
  8. D. C. Jones and A. M. Scott, in Proc. SPIE 5335, 73 (2004).
    [CrossRef]
  9. 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, Opt. Lett. 30, 459 (2005).
    [CrossRef] [PubMed]
  10. V. I. Kovalev and R. G. Harrison, Opt. Lett. 31, 161 (2006).
    [CrossRef] [PubMed]

2006 (2)

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

V. I. Kovalev and R. G. Harrison, Opt. Lett. 31, 161 (2006).
[CrossRef] [PubMed]

2005 (2)

2004 (3)

S. J. Augst, T. Y. Fan, and A. Sanchez, Opt. Lett. 29, 474 (2004).
[CrossRef] [PubMed]

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

D. C. Jones and A. M. Scott, in Proc. SPIE 5335, 73 (2004).
[CrossRef]

2003 (1)

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

Alegria, C.

Alvarez-Chavez, J. A.

Anderegg, J.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

Augst, S. J.

Brosnan, S.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

Brusselbach, H.

Cheung, E.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

Chryssou, C. E.

Clark, R. G.

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

Clark, S.

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

Codemard, C. A.

Dupriez, P.

Epp, P.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

Fan, T. Y.

Hammons, D.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

Harrison, R. G.

Hickey, L. M. B.

Horley, R.

Jeong, Y.

Jones, D.

Jones, D. C.

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

D. C. Jones and A. M. Scott, in Proc. SPIE 5335, 73 (2004).
[CrossRef]

Komine, H.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

Kovalev, V. I.

Mangir, M.

Minden, M.

Nilsson, J.

Payne, D. N.

Sahu, J. K.

Sanchez, A.

Scott, A. M.

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

D. C. Jones and A. M. Scott, in Proc. SPIE 5335, 73 (2004).
[CrossRef]

Soh, D. B. S.

Stace, C.

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

Turner, P. W.

Wang, S.

Wanzcyk, L.

Weber, M.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

Wickham, M.

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

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

Opt. Lett. (3)

Proc. SPIE (4)

D. C. Jones, A. M. Scott, S. Clark, C. Stace, and R. G. Clark, in Proc. SPIE 5335, 125 (2004).
[CrossRef]

J. Anderegg, S. Brosnan, M. Weber, H. Komine, and M. Wickham, in Proc. SPIE 4974, 1 (2003).
[CrossRef]

D. C. Jones and A. M. Scott, in Proc. SPIE 5335, 73 (2004).
[CrossRef]

J. Anderegg, S. Brosnan, E. Cheung, P. Epp, D. Hammons, H. Komine, M. Weber, and M. Wickham, in Proc. SPIE 6120, 61020U-1 (2006).

Other (2)

IPG Photonics oscillator, YLD-0.01-1064-LP-SF; amplifier, YAR-20-1060-LP-SF.

Nufern PLMA YDF 20/400.

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Figures (5)

Fig. 1
Fig. 1

Schematic of the high-power amplifier incorporated into a Mach–Zehnder interferometer for heterodyne phase detection. DM, dichroic mirror; AOM, acousto-optic modulator; M.O., master oscillator.

Fig. 2
Fig. 2

Input–output characteristics of the fiber amplifier. Slope efficiency estimated at 77% with respect to launched pump power.

Fig. 3
Fig. 3

Time series of the amplifier phase noise ϕ n ( t ) 2 π at low and high power levels.

Fig. 4
Fig. 4

Phase structure function, ϕ n ( t ) ϕ n ( t + τ ) 2 π , for the fiber amplifier operating at low and high power levels.

Fig. 5
Fig. 5

Phase drift at 260 W power under open- and closed-loop conditions. Left, turn-on transient; right, typical closed-loop phase errors (occasional large spikes correspond to snap back of the phase shifter).

Equations (1)

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ϕ ( t ) = 2 π α P t + ϕ n ( t ) ,

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