Abstract

A Dammann grating is used as a spatial filter for a passive coherent beam combination (CBC) of three Yb-doped fiber amplifiers with an all-optical feedback loop. Using this diffractive-optics-based spatial filtering technique, we demonstrate CBC with 20 W output power, and the visibility of the far-field interference pattern is up to 88.7%. Measurements suggest that this approach is robust with respect to laboratory environment perturbations, and it can scale to high powers and large arrays.

© 2014 Optical Society of America

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References

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2012 (3)

2011 (2)

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E. J. Bochove and S. A. Shakir, IEEE J. Quantum Electron. 15, 320 (2009).

2008 (3)

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

E. C. Cheung, J. G. Ho, G. D. Goodno, R. R. Rice, J. Rothenberg, P. Thielen, M. Weber, and M. Wickham, Opt. Lett. 33, 354 (2008).
[CrossRef]

2007 (1)

2005 (1)

T. Y. Fan, IEEE J. Sel. Top. Quantum Electron. 11, 567 (2005).
[CrossRef]

2004 (1)

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

1995 (1)

1993 (1)

1987 (1)

Augst, S. J.

Barthelemy, A.

Bates, G. M.

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Bochove, E. J.

E. J. Bochove and S. A. Shakir, IEEE J. Quantum Electron. 15, 320 (2009).

Burchman, D. A.

Chen, W.

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Chen, Y. C.

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

Cheung, E. C.

Culver, B.

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Dai, S.

Dändliker, R.

Desfarges-Berthelemot, A.

Dong, J.

H. Liu, B. He, J. Zhou, J. Dong, Y. Wei, and Q. Lou, Opt. Lett. 37, 3885 (2012).
[CrossRef]

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Dong, X.

Du, W.

Fan, T. Y.

Flores, A.

Fomin, V.

V. Gapontsev, V. Fomin, and A. Yusim, “Recent progress in scaling high power fiber laser at IPG photonics,” 22nd Annual Solid State and Diode Laser Technology Review, Newton, Massachusetts (2009).

Gapontsev, V.

V. Gapontsev, V. Fomin, and A. Yusim, “Recent progress in scaling high power fiber laser at IPG photonics,” 22nd Annual Solid State and Diode Laser Technology Review, Newton, Massachusetts (2009).

Goodno, G. D.

He, B.

Hedrick, J. W.

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Ho, J. G.

Hu, M.

Hult, D.

Kermene, V.

Kong, F.

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

Lee, K. K.

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

Leger, J. R.

Leng, J.

Lhermite, J.

Liu, H.

Liu, L.

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

C. Zhou and L. Liu, Appl. Opt. 34, 5961 (1995).
[CrossRef]

Liu, Z.

Lou, Q.

Lu, C. A.

Ma, Y.

McComb, T. S.

McNaught, S. J.

Morel, J.

Nelson, B.

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Pulford, B.

Redmond, S. M.

Rice, R. R.

Ripin, D. J.

Robin, C.

Rothenberg, J.

Rothenberg, J. E.

Rowland, K. B.

Sanchez, A. D.

Shakir, S. A.

E. J. Bochove and S. A. Shakir, IEEE J. Quantum Electron. 15, 320 (2009).

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Si, L.

Starcher, Y.

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Swanson, G. J.

Thielen, P.

Thielen, P. A.

Veldkamp, W. B.

Wang, W.

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Wang, X.

Weber, M.

Weber, M. E.

Wei, Y.

Wickham, M.

Wickham, M. G.

Woodtli, A.

Xiao, H.

Xu, X.

Yang, Y.

Yu, C. X.

Yusim, A.

V. Gapontsev, V. Fomin, and A. Yusim, “Recent progress in scaling high power fiber laser at IPG photonics,” 22nd Annual Solid State and Diode Laser Technology Review, Newton, Massachusetts (2009).

Zhao, Y.

Zheng, Y.

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

Zhou, C.

Zhou, J.

Zhou, P.

Zhou, Y.

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

Zhu, J.

Appl. Opt. (2)

Appl. Phys. Lett. (2)

L. Liu, Y. Zhou, F. Kong, Y. C. Chen, and K. K. Lee, Appl. Phys. Lett. 85, 4837 (2004).
[CrossRef]

B. He, Q. Lou, W. Wang, J. Zhou, Y. Zheng, J. Dong, Y. Wei, and W. Chen, Appl. Phys. Lett. 92, 251115 (2008).
[CrossRef]

IEEE J. Quantum Electron. (1)

E. J. Bochove and S. A. Shakir, IEEE J. Quantum Electron. 15, 320 (2009).

IEEE J. Sel. Top. Quantum Electron. (1)

T. Y. Fan, IEEE J. Sel. Top. Quantum Electron. 11, 567 (2005).
[CrossRef]

Opt. Lett. (10)

Proc. SPIE (2)

J. E. Rothenberg and G. D. Goodno, Proc. SPIE 7686, 768613 (2010).
[CrossRef]

S. A. Shakir, B. Culver, B. Nelson, Y. Starcher, G. M. Bates, and J. W. Hedrick, Proc. SPIE 7070, 70700O (2008).
[CrossRef]

Other (1)

V. Gapontsev, V. Fomin, and A. Yusim, “Recent progress in scaling high power fiber laser at IPG photonics,” 22nd Annual Solid State and Diode Laser Technology Review, Newton, Massachusetts (2009).

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Figures (4)

Fig. 1.
Fig. 1.

Scheme of the passive phase-locking system with a Dammann grating spatial filter by an all-optical feedback loop. MO, master oscillator; ISO, isolator; BS, beam splitter; OSA, optical spectrum analyzer.

Fig. 2.
Fig. 2.

Emission spectra of the all-optical feedback loop: (a) spectra at 3 and 20 W CBC output power and (b) 25 spectrum samples during 40 min at 20 W CBC output power.

Fig. 3.
Fig. 3.

Far-field interference pattern of three tiled-aperture laser beams by an all-optical feedback loop (20 W CBC output power): (a) far-field pattern in an open loop, (b) in-phase mode, (c) out-of-phase mode, and (d) calculated in-phase mode.

Fig. 4.
Fig. 4.

Far-field pattern of three tiled-aperture beamlets by an all-optical feedback loop with different spatial filtering methods: (a) a Dammann grating spatial filter and (b) a FF spatial filter.

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