Abstract

A systematic study on a compact, novel phase-locked multicore fiber laser device that is based on a truly all-fiber approach is presented. Supermode selection inside this monolithic fiber device is numerically analyzed, and multicore fiber lasers operating explicitly at the in-phase supermode are experimentally demonstrated.

© 2007 Optical Society of America

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  1. P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.
  2. P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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  13. S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
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    [CrossRef]
  21. P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.
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    [CrossRef]
  25. M. Wrage, P. Glas, and M. Leitner, "Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors," Opt. Lett. 26, 980-982 (2001).
    [CrossRef]
  26. M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
    [CrossRef]
  27. T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.
  28. P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.
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    [CrossRef] [PubMed]
  30. L. Li, A. Schülzgen, S. Chen, V. L. Temyanko, J. V. Moloney, and N. Peyghambarian, "Phase locking and in-phase supermode selection in monolithic multicore fiber lasers," Opt. Lett. 31, 2577-2579 (2006).
    [CrossRef] [PubMed]
  31. M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
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  34. L. Li, A. Schülzgen, V. L. Temyanko, T. Qiu, M. M. Morrell, Q. Wang, A. Mafi, J. V. Moloney, and N. Peyghambarian, "Short-length microstructured phosphate glass fiber lasers with large mode areas," Opt. Lett. 30, 1141-1143 (2005).
    [CrossRef] [PubMed]
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    [CrossRef]
  36. G. G. King and P. K. Cheo, "M2 measurements of multicore fiber laser array," in Technical Digest of the 16th Solid State & Diode Laser Technology Review (Directed Energy Professional Society, 2003), paper P-12.

2006 (2)

L. Li, A. Schülzgen, V. L. Temyanko, M. M. Morrell, S. Sabet, H. Li, J. V. Moloney, and N. Peyghambarian, "Ultracompact cladding-pumped 35-mm-short fiber laser with 4.7-W single-mode output power," Appl. Phys. Lett. 88, 161106 (2006).
[CrossRef]

L. Li, A. Schülzgen, S. Chen, V. L. Temyanko, J. V. Moloney, and N. Peyghambarian, "Phase locking and in-phase supermode selection in monolithic multicore fiber lasers," Opt. Lett. 31, 2577-2579 (2006).
[CrossRef] [PubMed]

2005 (3)

2004 (2)

Y. Huo, P. Cheo, and G. King, "Fundamental mode operation of a 19-core phase-locked Yb-doped fiber amplifier," Opt. Express 12, 6230-6239 (2004).
[CrossRef] [PubMed]

Y. Huo and P. K. Cheo, "Thermomechanical properties of high-power and high-energy Yb-doped silica fiber lasers," IEEE Photon. Technol. Lett. 16, 759-761 (2004).
[CrossRef]

2003 (1)

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

2002 (1)

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

2001 (2)

M. Wrage, P. Glas, and M. Leitner, "Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors," Opt. Lett. 26, 980-982 (2001).
[CrossRef]

P. K. Cheo, A. Liu, and G. G. King, "A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array," IEEE Photon. Technol. Lett. 13, 439-441 (2001).
[CrossRef]

2000 (3)

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

1998 (1)

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

1995 (1)

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).
[CrossRef]

1993 (1)

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

1989 (1)

F. X. D'Amato, E. T. Siebert, and C. Roychoudhuri, "Coherent operation of an array of diode lasers using a spatial filter in a Talbot cavity," Appl. Phys. Lett. 55, 816-818 (1989).
[CrossRef]

1988 (1)

J. R. Leger, M. L. Scott, and W. B. Veldkamp, "Coherent addition of AlGaAs lasers using microlenses and diffractive coupling," Appl. Phys. Lett. 52, 1771-1773 (1988).
[CrossRef]

1986 (1)

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

1984 (1)

1983 (2)

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

D. Botez and J. C. Connolly, "High-power phase-locked arrays of index-guided diode lasers," Appl. Phys. Lett. 43, 1096-1098 (1983).
[CrossRef]

1981 (1)

D. E. Ackley and R. W. H. Engelmann, "High-power leaky-mode multiple-stripe laser," Appl. Phys. Lett. 39, 27-29 (1981).
[CrossRef]

1979 (1)

W. T. Tsang, R. A. Logan, and R. P. Salathe, "A densely packed monolithic linear array of GaAs-AlxGa1−xAs strip buried heterostructure laser," Appl. Phys. Lett. 34, 162-165 (1979).
[CrossRef]

1978 (1)

D. R. Scifres, R. D. Burnham, and W. Streifer, "Phase-locked semiconductor laser array," Appl. Phys. Lett. 33, 1015-1017 (1978).
[CrossRef]

1975 (1)

E. M. Philipp-Rutz, "Spatially coherent radiation from an array of GaAs lasers," Appl. Phys. Lett. 26, 475-477 (1975).
[CrossRef]

1970 (1)

J. E. Ripper and T. L. Paoli, "Optical coupling of adjacent stripe-geometry junction lasers," Appl. Phys. Lett. 17, 371-373 (1970).
[CrossRef]

1968 (1)

J. Crowe and W. Ahearn, "External cavity coupling and phase locking of gallium arsenide injection lasers," IEEE J. Quantum Electron. 4, 169-172 (1968).
[CrossRef]

1836 (1)

H. F. Talbot, "Facts relating to optical science No. IV," Philos. Mag. 9, 401-407 (1836).

Ackley, D. E.

D. E. Ackley and R. W. H. Engelmann, "High-power leaky-mode multiple-stripe laser," Appl. Phys. Lett. 39, 27-29 (1981).
[CrossRef]

Ahearn, W.

J. Crowe and W. Ahearn, "External cavity coupling and phase locking of gallium arsenide injection lasers," IEEE J. Quantum Electron. 4, 169-172 (1968).
[CrossRef]

Baker, H. J.

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

Bao, C.

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Bennett, C. R.

Botez, D.

D. Botez and J. C. Connolly, "High-power phase-locked arrays of index-guided diode lasers," Appl. Phys. Lett. 43, 1096-1098 (1983).
[CrossRef]

Broeng, J.

Burnham, R. D.

D. R. Scifres, R. D. Burnham, and W. Streifer, "Phase-locked semiconductor laser array," Appl. Phys. Lett. 33, 1015-1017 (1978).
[CrossRef]

Chen, S.

Cheo, P.

Cheo, P. K.

Y. Huo and P. K. Cheo, "Analysis of transverse mode competition and selection in multicore fiber lasers," J. Opt. Soc. Am. B 22, 2345-2349 (2005).
[CrossRef]

Y. Huo and P. K. Cheo, "Thermomechanical properties of high-power and high-energy Yb-doped silica fiber lasers," IEEE Photon. Technol. Lett. 16, 759-761 (2004).
[CrossRef]

P. K. Cheo, A. Liu, and G. G. King, "A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array," IEEE Photon. Technol. Lett. 13, 439-441 (2001).
[CrossRef]

G. G. King and P. K. Cheo, "M2 measurements of multicore fiber laser array," in Technical Digest of the 16th Solid State & Diode Laser Technology Review (Directed Energy Professional Society, 2003), paper P-12.

Colley, A. D.

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

Connolly, J. C.

D. Botez and J. C. Connolly, "High-power phase-locked arrays of index-guided diode lasers," Appl. Phys. Lett. 43, 1096-1098 (1983).
[CrossRef]

Crowe, J.

J. Crowe and W. Ahearn, "External cavity coupling and phase locking of gallium arsenide injection lasers," IEEE J. Quantum Electron. 4, 169-172 (1968).
[CrossRef]

D'Amato, F. X.

F. X. D'Amato, E. T. Siebert, and C. Roychoudhuri, "Coherent operation of an array of diode lasers using a spatial filter in a Talbot cavity," Appl. Phys. Lett. 55, 816-818 (1989).
[CrossRef]

Elkin, N. N.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Engelmann, R. W. H.

D. E. Ackley and R. W. H. Engelmann, "High-power leaky-mode multiple-stripe laser," Appl. Phys. Lett. 39, 27-29 (1981).
[CrossRef]

Fernández-Pousa, C. R.

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Fischer, D.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Flores-Arias, M. T.

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Glas, P.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, and M. Leitner, "Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors," Opt. Lett. 26, 980-982 (2001).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.

T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

Gómez-Reino, C.

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Hall, D. R.

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

Hornby, A. M.

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

Huo, Y.

Jansen, M.

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

Kannari, F.

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

Kapon, E.

E. Kapon and J. Katz, "Supermode analysis of phase-locked arrays of semiconductor lasers," Opt. Lett. 10, 125-127 (1984).
[CrossRef]

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

Katz, J.

E. Kapon and J. Katz, "Supermode analysis of phase-locked arrays of semiconductor lasers," Opt. Lett. 10, 125-127 (1984).
[CrossRef]

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

King, G.

King, G. G.

P. K. Cheo, A. Liu, and G. G. King, "A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array," IEEE Photon. Technol. Lett. 13, 439-441 (2001).
[CrossRef]

G. G. King and P. K. Cheo, "M2 measurements of multicore fiber laser array," in Technical Digest of the 16th Solid State & Diode Laser Technology Review (Directed Energy Professional Society, 2003), paper P-12.

Kono, Y.

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

Lederer, F.

T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.

Leger, J. R.

J. R. Leger, M. L. Scott, and W. B. Veldkamp, "Coherent addition of AlGaAs lasers using microlenses and diffractive coupling," Appl. Phys. Lett. 52, 1771-1773 (1988).
[CrossRef]

Leitner, M.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, and M. Leitner, "Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors," Opt. Lett. 26, 980-982 (2001).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Li, H.

L. Li, A. Schülzgen, V. L. Temyanko, M. M. Morrell, S. Sabet, H. Li, J. V. Moloney, and N. Peyghambarian, "Ultracompact cladding-pumped 35-mm-short fiber laser with 4.7-W single-mode output power," Appl. Phys. Lett. 88, 161106 (2006).
[CrossRef]

Li, L.

Lindsey, C.

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

Liu, A.

P. K. Cheo, A. Liu, and G. G. King, "A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array," IEEE Photon. Technol. Lett. 13, 439-441 (2001).
[CrossRef]

Logan, R. A.

W. T. Tsang, R. A. Logan, and R. P. Salathe, "A densely packed monolithic linear array of GaAs-AlxGa1−xAs strip buried heterostructure laser," Appl. Phys. Lett. 34, 162-165 (1979).
[CrossRef]

Mafi, A.

Margalit, S.

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

Michaille, L.

Moloney, J. V.

Morrell, M. M.

L. Li, A. Schülzgen, V. L. Temyanko, M. M. Morrell, S. Sabet, H. Li, J. V. Moloney, and N. Peyghambarian, "Ultracompact cladding-pumped 35-mm-short fiber laser with 4.7-W single-mode output power," Appl. Phys. Lett. 88, 161106 (2006).
[CrossRef]

L. Li, A. Schülzgen, V. L. Temyanko, T. Qiu, M. M. Morrell, Q. Wang, A. Mafi, J. V. Moloney, and N. Peyghambarian, "Short-length microstructured phosphate glass fiber lasers with large mode areas," Opt. Lett. 30, 1141-1143 (2005).
[CrossRef] [PubMed]

Napartovich, A. P.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Naumann, M.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.

Paoli, T. L.

J. E. Ripper and T. L. Paoli, "Optical coupling of adjacent stripe-geometry junction lasers," Appl. Phys. Lett. 17, 371-373 (1970).
[CrossRef]

Pennings, E. C. M.

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).
[CrossRef]

Pérez, M. V.

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Pertsch, T.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.

Petersson, A.

Peyghambarian, N.

Philipp-Rutz, E. M.

E. M. Philipp-Rutz, "Spatially coherent radiation from an array of GaAs lasers," Appl. Phys. Lett. 26, 475-477 (1975).
[CrossRef]

Qiu, T.

Ripper, J. E.

J. E. Ripper and T. L. Paoli, "Optical coupling of adjacent stripe-geometry junction lasers," Appl. Phys. Lett. 17, 371-373 (1970).
[CrossRef]

Roychoudhuri, C.

F. X. D'Amato, E. T. Siebert, and C. Roychoudhuri, "Coherent operation of an array of diode lasers using a spatial filter in a Talbot cavity," Appl. Phys. Lett. 55, 816-818 (1989).
[CrossRef]

Sabet, S.

L. Li, A. Schülzgen, V. L. Temyanko, M. M. Morrell, S. Sabet, H. Li, J. V. Moloney, and N. Peyghambarian, "Ultracompact cladding-pumped 35-mm-short fiber laser with 4.7-W single-mode output power," Appl. Phys. Lett. 88, 161106 (2006).
[CrossRef]

Salathe, R. P.

W. T. Tsang, R. A. Logan, and R. P. Salathe, "A densely packed monolithic linear array of GaAs-AlxGa1−xAs strip buried heterostructure laser," Appl. Phys. Lett. 34, 162-165 (1979).
[CrossRef]

Sandrock, M.

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

Sandrock, T.

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Schirrmacher, A.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.

Schülzgen, A.

Scifres, D. R.

D. R. Scifres, R. D. Burnham, and W. Streifer, "Phase-locked semiconductor laser array," Appl. Phys. Lett. 33, 1015-1017 (1978).
[CrossRef]

Scott, M. L.

J. R. Leger, M. L. Scott, and W. B. Veldkamp, "Coherent addition of AlGaAs lasers using microlenses and diffractive coupling," Appl. Phys. Lett. 52, 1771-1773 (1988).
[CrossRef]

Shepherd, T. J.

Shreter, U.

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

Siebert, E. T.

F. X. D'Amato, E. T. Siebert, and C. Roychoudhuri, "Coherent operation of an array of diode lasers using a spatial filter in a Talbot cavity," Appl. Phys. Lett. 55, 816-818 (1989).
[CrossRef]

Simonsen, H. R.

Soldano, L. B.

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).
[CrossRef]

Streifer, W.

D. R. Scifres, R. D. Burnham, and W. Streifer, "Phase-locked semiconductor laser array," Appl. Phys. Lett. 33, 1015-1017 (1978).
[CrossRef]

Sukharev, A. G.

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Takeoka, M.

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

Talbot, H. F.

H. F. Talbot, "Facts relating to optical science No. IV," Philos. Mag. 9, 401-407 (1836).

Taylor, D. M.

Temyanko, V. L.

Troshchieva, V. N.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Tsang, W. T.

W. T. Tsang, R. A. Logan, and R. P. Salathe, "A densely packed monolithic linear array of GaAs-AlxGa1−xAs strip buried heterostructure laser," Appl. Phys. Lett. 34, 162-165 (1979).
[CrossRef]

Uchida, A.

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

Uto, K.

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

Veldkamp, W. B.

J. R. Leger, M. L. Scott, and W. B. Veldkamp, "Coherent addition of AlGaAs lasers using microlenses and diffractive coupling," Appl. Phys. Lett. 52, 1771-1773 (1988).
[CrossRef]

Vysotsky, D. V.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

Wang, Q.

Wang, S.

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

Wilcox, J. Z.

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

Wrage, M.

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

M. Wrage, P. Glas, and M. Leitner, "Combined phase locking and beam shaping of a multicore fiber laser by structured mirrors," Opt. Lett. 26, 980-982 (2001).
[CrossRef]

M. Wrage, P. Glas, D. Fischer, M. Leitner, D. V. Vysotsky, and A. P. Napartovich, "Phase locking in a multicore fiber laser by means of a Talbot resonator," Opt. Lett. 25, 1436-1438 (2000).
[CrossRef]

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

Yang, J. J.

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

Yariv, A.

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

Appl. Phys. Lett. (12)

J. E. Ripper and T. L. Paoli, "Optical coupling of adjacent stripe-geometry junction lasers," Appl. Phys. Lett. 17, 371-373 (1970).
[CrossRef]

E. M. Philipp-Rutz, "Spatially coherent radiation from an array of GaAs lasers," Appl. Phys. Lett. 26, 475-477 (1975).
[CrossRef]

D. R. Scifres, R. D. Burnham, and W. Streifer, "Phase-locked semiconductor laser array," Appl. Phys. Lett. 33, 1015-1017 (1978).
[CrossRef]

W. T. Tsang, R. A. Logan, and R. P. Salathe, "A densely packed monolithic linear array of GaAs-AlxGa1−xAs strip buried heterostructure laser," Appl. Phys. Lett. 34, 162-165 (1979).
[CrossRef]

D. E. Ackley and R. W. H. Engelmann, "High-power leaky-mode multiple-stripe laser," Appl. Phys. Lett. 39, 27-29 (1981).
[CrossRef]

J. Katz, E. Kapon, C. Lindsey, S. Margalit, U. Shreter, and A. Yariv, "Phase-locked semiconductor laser array with separate contacts," Appl. Phys. Lett. 43, 521-523 (1983).
[CrossRef]

D. Botez and J. C. Connolly, "High-power phase-locked arrays of index-guided diode lasers," Appl. Phys. Lett. 43, 1096-1098 (1983).
[CrossRef]

J. R. Leger, M. L. Scott, and W. B. Veldkamp, "Coherent addition of AlGaAs lasers using microlenses and diffractive coupling," Appl. Phys. Lett. 52, 1771-1773 (1988).
[CrossRef]

F. X. D'Amato, E. T. Siebert, and C. Roychoudhuri, "Coherent operation of an array of diode lasers using a spatial filter in a Talbot cavity," Appl. Phys. Lett. 55, 816-818 (1989).
[CrossRef]

A. M. Hornby, H. J. Baker, A. D. Colley, and D. R. Hall, "Phase locking of linear arrays of CO2 waveguide lasers by the waveguide-confined Talbot effect," Appl. Phys. Lett. 63, 2591-2593 (1993).
[CrossRef]

S. Wang, J. Z. Wilcox, M. Jansen, and J. J. Yang, "In-phase locking in diffraction-coupled phased-array diode lasers," Appl. Phys. Lett. 48, 1770-1772 (1986).
[CrossRef]

L. Li, A. Schülzgen, V. L. Temyanko, M. M. Morrell, S. Sabet, H. Li, J. V. Moloney, and N. Peyghambarian, "Ultracompact cladding-pumped 35-mm-short fiber laser with 4.7-W single-mode output power," Appl. Phys. Lett. 88, 161106 (2006).
[CrossRef]

IEEE J. Quantum Electron. (2)

Y. Kono, M. Takeoka, K. Uto, A. Uchida, and F. Kannari, "A coherent all-solid-state laser array using the Talbot effect in a three-mirror cavity," IEEE J. Quantum Electron. 36, 607-614 (2000).
[CrossRef]

J. Crowe and W. Ahearn, "External cavity coupling and phase locking of gallium arsenide injection lasers," IEEE J. Quantum Electron. 4, 169-172 (1968).
[CrossRef]

IEEE Photon. Technol. Lett. (2)

Y. Huo and P. K. Cheo, "Thermomechanical properties of high-power and high-energy Yb-doped silica fiber lasers," IEEE Photon. Technol. Lett. 16, 759-761 (2004).
[CrossRef]

P. K. Cheo, A. Liu, and G. G. King, "A high-brightness laser beam from a phase-locked multicore Yb-doped fiber laser array," IEEE Photon. Technol. Lett. 13, 439-441 (2001).
[CrossRef]

J. Lightwave Technol. (1)

L. B. Soldano and E. C. M. Pennings, "Optical multi-mode interference devices based on self-imaging: principles and applications," J. Lightwave Technol. 13, 615-627 (1995).
[CrossRef]

J. Opt. Soc. Am. B (2)

C. R. Fernández-Pousa, M. T. Flores-Arias, C. Bao, M. V. Pérez, and C. Gómez-Reino, "Talbot conditions, Talbot resonators, and first-order systems," J. Opt. Soc. Am. B 20, 638-643 (2003).
[CrossRef]

Y. Huo and P. K. Cheo, "Analysis of transverse mode competition and selection in multicore fiber lasers," J. Opt. Soc. Am. B 22, 2345-2349 (2005).
[CrossRef]

Opt. Commun. (2)

M. Wrage, P. Glas, D. Fischer, M. Leitner, N. N. Elkin, D. V. Vysotsky, A. P. Napartovich, and V. N. Troshchieva, "Phase-locking of a multicore fiber laser by wave propagation through an annular waveguide," Opt. Commun. 205, 367-375 (2002).
[CrossRef]

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "The multicore fiber--a novel design for a diode pumped fiber laser," Opt. Commun. 151, 187-195 (1998).
[CrossRef]

Opt. Express (1)

Opt. Lett. (6)

Philos. Mag. (1)

H. F. Talbot, "Facts relating to optical science No. IV," Philos. Mag. 9, 401-407 (1836).

Proc. SPIE (1)

M. Wrage, P. Glas, M. Leitner, T. Sandrock, N. N. Elkin, A. P. Napartovich, and D. V. Vysotsky, "Reconstruction of field distributions of an active multicore fiber in multimode fibers," in Laser Resonators III, A. V. Kudryashov and A. H. Paxton, eds., Proc. SPIE 3930, 212-221 (2000).
[CrossRef]

Other (6)

Fimmwave, Photon Design Inc., UK, http://www.photond.com/.

T. Pertsch, P. Glas, M. Wrage, and F. Lederer, "An all-fiber phase locking setup for multicore fiber lasers," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), 314 pp.

P. Glas, D. Fischer, M. Leitner, T. Sandrock, M. Wrage, T. Pertsch, A. P. Napartovich, N. N. Elkin, A. G. Sukharev, V. N. Troshchieva, and D. V. Vysotsky, "Improvement of the emission characteristics of a multicore fiber laser using self reproduction in a multimode interference device (MMI)," in Conference on Lasers and Electro-Optics Europe (IEEE, 2000), pp. 173.

G. G. King and P. K. Cheo, "M2 measurements of multicore fiber laser array," in Technical Digest of the 16th Solid State & Diode Laser Technology Review (Directed Energy Professional Society, 2003), paper P-12.

P. Glas, M. Naumann, A. Schirrmacher, and T. Pertsch, "A cw diode-pumped single-silica fiber comprising 40 cores used as active elements for a high power fiber laser atλ=1050nm," in Conference on Lasers and Electro-Optics (Optical Society of America, 1998), pp. 113-114.

P. Glas, D. Fischer, M. Sandrock, M. Wrage, and T. Pertsch, "Bessel beam like emission characteristics of a neodymium-doped multicore fiber laser using a Talbot cavity," in Conference on Lasers and Electro-Optics (Optical Society of America, 2000), pp. 599-600.

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Figures (9)

Fig. 1
Fig. 1

Supermode selection in MCF laser cavity. (a) A free-space Talbot cavity, (b) an all-fiber cavity utilizing a mirror-coated passive optical fiber.

Fig. 2
Fig. 2

Isometrically distributed 19-core MCF. (a) The cross section; (b) simulated near-field and (c) far-field intensity distributions of the in-phase supermode.

Fig. 3
Fig. 3

Calculated γ 1 ( Z ) of the MC19 in-phase supermode: in free space (solid curve) and inside NCF (dashed curve).

Fig. 4
Fig. 4

(a) Calculated γ i ( Z ) of selected MC19 supermodes inside the NCF. (b) Difference between γ 1 ( Z ) and the maximum of γ i ( Z ) of all higher-order modes: open circles denote positions for later experimental investigation.

Fig. 5
Fig. 5

(a) Microscopic photo of the cross section of the drawn MC19. Recorded far-field emission patterns from MC19 lasers with spliced NCF of lengths equivalent to Z ( μ m ) = (b) 0, (c) 312, (d) 1984, (e) 3320, and (f) 6760.

Fig. 6
Fig. 6

Far-field emission patterns of MC19 lasers spliced with NCF at both ends. (a) MC19 of OD 200 μ m ; (b) MC19 of OD 125 μ m .

Fig. 7
Fig. 7

Signal versus pump power plots of 10 cm long MC19 lasers with (solid diamonds) and without (solid circles) NCF spliced.

Fig. 8
Fig. 8

Isometrically distributed 37-core MCF. (a) The cross section; (b) simulated near-field and (c) far-field intensity distributions of the in-phase supermode.

Fig. 9
Fig. 9

(a) Microscopic photo of the cross section of the drawn MC37. Recorded far-field emission patterns from (b) MC37 laser without NCF spliced; MC37 lasers with both ends spliced with NCF: (c) OD 125 μ m fiber; and (d) OD 200 μ m fiber.

Equations (2)

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Z T = 2 Λ 2 λ ,
γ i ( Z ) = A i * ( x , y , 0 ) A i ( x , y , Z ) d x d y A i ( x , y , 0 ) A i * ( x , y , 0 ) d x d y ,

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