Abstract

We experimentally demonstrate 50W of spontaneously phase-locked two-laser array in an all-fiber and all-passive configuration using large-mode-area (LMA) polarization-maintaining fiber laser cavities and an LMA fiber coupler. We show that both laser cavity length difference and fiber nonlinearity play an important role in achieving efficient and stable coherent beam combining. In addition, we compare the difference in coherent combining efficiency by using fibers with different mode-field diameters and discuss the underlying phase-locking mechanism and its power scalability.

© 2009 Optical Society of America

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References

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  1. H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
    [PubMed]
  2. H. Brusselbach, D. C. Jones, M. Mangir, M. Minden, and J. L. Rogers, Opt. Lett. 30, 1339 (2005).
    [CrossRef]
  3. E. J. Bochove, P. K. Cheo, and G. G. King, Opt. Lett. 28, 1200 (2003).
    [CrossRef] [PubMed]
  4. N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
    [CrossRef]
  5. V. A. Kozlov, J. Hernandez-Cordero, and T. F. Morse, Opt. Lett. 24, 1814 (1999).
    [CrossRef]
  6. A. Shirakawa, T. Saitou, T. Sekiguchi, and K. Ueda, Opt. Express 10, 1167 (2002).
    [PubMed]
  7. D. Sabourdy, V. Kermene, A. Desfarges-Berthelemot, L. Lefort, and A. Barthelemy, Opt. Express 11, 87 (2003).
    [CrossRef] [PubMed]
  8. T. B. Simpson, A. Gavrielides, and P. Peterson, Opt. Express 10, 1060 (2002).
    [PubMed]
  9. E. Honea, in Solid State Diode Laser Technology Review (Directed Energy Professional Society, 2007).
  10. S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.
  11. C. J. Corcoran and F. Durville, Appl. Phys. Lett. 86, 201118 (2005).
    [CrossRef]
  12. E. Bochove, Opt. Lett. 33, 464 (2008).
    [CrossRef] [PubMed]
  13. A. E. Siegman, unpublished memo available at https://www.stanford.edu/~siegman/coupled_fiber_modes.pdf (2004).
  14. B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

2008

2005

2003

2002

1999

1994

N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
[CrossRef]

Barthelemy, A.

Bochove, E.

Bochove, E. J.

Bruesselbach, H.

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

Brusselbach, H.

Cheo, P. K.

Corcoran, C. J.

C. J. Corcoran and F. Durville, Appl. Phys. Lett. 86, 201118 (2005).
[CrossRef]

Culver, B.

S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.

Desfarges-Berthelemot, A.

Durville, F.

C. J. Corcoran and F. Durville, Appl. Phys. Lett. 86, 201118 (2005).
[CrossRef]

Gavrielides, A.

Hendow, S.

S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.

Hernandez-Cordero, J.

Honea, E.

E. Honea, in Solid State Diode Laser Technology Review (Directed Energy Professional Society, 2007).

Jones, D. C.

H. Brusselbach, D. C. Jones, M. Mangir, M. Minden, and J. L. Rogers, Opt. Lett. 30, 1339 (2005).
[CrossRef]

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

Kermene, V.

King, G. G.

Kozlov, V. A.

Lefort, L.

Lyndin, N. M.

N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
[CrossRef]

Mangir, M.

Mangir, M. S.

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

Mies, E.

B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

Minden, M.

H. Brusselbach, D. C. Jones, M. Mangir, M. Minden, and J. L. Rogers, Opt. Lett. 30, 1339 (2005).
[CrossRef]

B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

Morse, T. F.

Nelson, B.

S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.

Peterson, P.

Rogers, J. L.

H. Brusselbach, D. C. Jones, M. Mangir, M. Minden, and J. L. Rogers, Opt. Lett. 30, 1339 (2005).
[CrossRef]

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

Sabourdy, D.

Saitou, T.

Sanchez, A.

B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

Sekiguchi, T.

Shakir, S.

S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.

Shirakawa, A.

Siegman, A. E.

A. E. Siegman, unpublished memo available at https://www.stanford.edu/~siegman/coupled_fiber_modes.pdf (2004).

Simpson, T. B.

Sychugov, V. A.

N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
[CrossRef]

Tikhomirov, A. Y.

N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
[CrossRef]

Ueda, K.

Wang, B. S.

B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

Appl. Phys. Lett.

C. J. Corcoran and F. Durville, Appl. Phys. Lett. 86, 201118 (2005).
[CrossRef]

Opt. Express

Opt. Lett.

Proc. SPIE

N. M. Lyndin, V. A. Sychugov, and A. Y. Tikhomirov, Proc. SPIE 2212, 564 (1994).
[CrossRef]

Other

H. Bruesselbach, M. Minden, J. L. Rogers, D. C. Jones, and M. S. Mangir, in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2005), paper CMDD4.
[PubMed]

E. Honea, in Solid State Diode Laser Technology Review (Directed Energy Professional Society, 2007).

S. Hendow, S. Shakir, B. Culver, and B. Nelson, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2007), p. 34.

A. E. Siegman, unpublished memo available at https://www.stanford.edu/~siegman/coupled_fiber_modes.pdf (2004).

B. S. Wang, E. Mies, M. Minden, and A. Sanchez, in Solid State Diode Laser Technology Review Technical Digest (Directed Energy Professional Society, 2008).

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Figures (4)

Fig. 1
Fig. 1

Schematic of all-fiber passive coherent array combining two lasers.

Fig. 2
Fig. 2

Coherent combining efficiency with various laser cavity length differences (DL, length difference).

Fig. 3
Fig. 3

Output powers from two output ports of a coherently combined two-laser array (diamonds, power from the flat-cleaved port; squares, power from the angle-cleaved port; coherent sum, array with 100% coherent combination; incoherent sum, array with 100% incoherent combination).

Fig. 4
Fig. 4

Comparison of coherent combining efficiency with two different Yb gain fibers.

Tables (1)

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Table 1 Fiber Parameter Comparison of Two Different PM Yb DCF Fibers

Equations (1)

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η = P 1 P 1 + P 2 100 % ,

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