Coherent combining of 49 laser beams from a multiple core optical fiber by a spatial light modulator

doi:10.1364/OE.18.004783

Coherent combining of 49 laser beams from a multiple core optical fiber by a spatial light modulator

J. Lhermite, E. Suran, V. Kermene, F. Louradour, A. Desfarges-Berthelemot, and A. Barthélémy »View Author Affiliations

Optics Express, Vol. 18, Issue 5, pp. 4783-4789 (2010)
http://dx.doi.org/10.1364/OE.18.004783

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Abstract
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Abstract

We report co-phasing of 49 beams from a multicore fiber based on a spatial light modulator using a simple feedback loop control. A specific fiber of 7x7 Germanium doped cores was fabricated. The power carried by the far field main lobe of the phased array, in the continuous wave regime, amounts to 96% of its theoretical value. Femtoseconde pulses were also phase-locked with the same device configuration.

OCIS Codes
(140.3290) Lasers and laser optics : Laser arrays
(140.3510) Lasers and laser optics : Lasers, fiber
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 9, 2009
Revised Manuscript: January 7, 2010
Manuscript Accepted: January 9, 2010
Published: February 23, 2010

Citation
J. Lhermite, E. Suran, V. Kermene, F. Louradour, A. Desfarges-Berthelemot, and A. Barthélémy, "Coherent combining of 49 laser beams from a multiple core optical fiber by a spatial light modulator," Opt. Express 18, 4783-4789 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-5-4783

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References

D. Gapontsev, and I. P. G. Photonics, “6kW CW Single Mode Ytterbium Fiber Laser in All-Fiber Format,” in Solid State and Diode Laser Technology Review, Albuquerque (2008).
J. Limpert, F. Roser, S. Klingebiel, T. Schreiber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tiinnermann, “The Rising Power of Fiber Lasers and Amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007). [CrossRef]
D. Sabourdy, V. Kermène, A. Desfarges-Berthelemot, L. Lefort, A. Barthélémy, C. Mahodaux, and D. Pureur, “Power scaling of fibre lasers with all-fibre interferometric cavity,” Electron. Lett. 38(14), 692–693 (2002). [CrossRef]
T. B. Simpson, A. Gavrielides, and P. Peterson, “Extraction characteristics of a dual fiber compound cavity,” Opt. Express 10(20), 1060–1073 (2002). [PubMed]
V. Kermene, A. Desfarges-Berthelemot, A. Barthelemy, J. Lhermite, and J. Guillot, “Passive co-phasing of fiber lasers for coherent combining,” Fiber Int. Opt. 27(5), 453–465 (2008). [CrossRef]
J. C. Corcoran and F. Durville, “Experimental demonstration of a phase-locked laser array using a self-Fourier cavity,” Appl. Phys. Lett. 86(20), 201118 (2005). [CrossRef]
J. Lhermite, A. Desfarges-Berthelemot, V. Kermène, and A. Barthélémy, “Passive phase locking of an array of four fiber amplifiers by an all-optical feedback loop,” Opt. Lett. 32(13), 1842–1844 (2007). [CrossRef] [PubMed]
H. Bruesselbach, S. Wang, M. Minden, D. C. Jones, and M. Mangir, “Power-scalable phase-compensating fiber-array transceiver for laser communications through the atmosphere,” J. Opt. Soc. Am. B 22(2), 347 (2005). [CrossRef]
C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, “Coherent beam combining of large number of PM fibres in 2-D fibre array,” Electron. Lett. 42(18), 1024 (2006). [CrossRef]
T. M. Shay, V. Benham, J. T. Baker, B. Ward, A. D. Sanchez, M. A. Culpepper, D. Pilkington, J. Spring, D. J. Nelson, and C. A. Lu, “First experimental demonstration of self-synchronous phase locking of an optical array,” Opt. Express 14(25), 12015–12021 (2006). [CrossRef] [PubMed]
C. Bellanger, A. Brignon, J. Colineau, and J. P. Huignard, “Coherent fiber combining by digital holography,” Opt. Lett. 33(24), 2937–2939 (2008). [CrossRef] [PubMed]
I. Hartl, A. Marcinkevicius, H. A. McKay, L. Dong and M. E. Fermann, Advanced Solid State Laser 2009, paper TuA6.
I. M. Vellekoop and A. P. Mosk, “Focusing coherent light through opaque strongly scattering media,” Opt. Lett. 32(16), 2309–2311 (2007). [CrossRef] [PubMed]
E. C. Cheung, J. G. Ho, G. D. Goodno, R. R. Rice, J. Rothenberg, P. Thielen, M. Weber, and M. Wickham, “Diffractive-optics-based beam combination of a phase-locked fiber laser array,” Opt. Lett. 33(4), 354–356 (2008). [CrossRef] [PubMed]
M. A. Vorontsov, G. W. Carhart, and J. C. Ricklin, “Adaptive phase-distortion correction based on parallel gradient-descent optimization,” Opt. Lett. 22(12), 907–909 (1997). [CrossRef] [PubMed]
T. Weyrauch, M. A. Vorontsov, T. G. Bifano, J. A. Hammer, M. Cohen, and G. Cauwenberghs, “Microscale Adaptive Optics: Wave-Front Control with a μ-Mirror Array and a VLSI Stochastic Gradient Descent Controller,” Appl. Opt. 40(24), 4243–4253 (2001). [CrossRef]

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[1] D. Gapontsev, and I. P. G. Photonics, “6kW CW Single Mode Ytterbium Fiber Laser in All-Fiber Format,” in Solid State and Diode Laser Technology Review, Albuquerque (2008).

[2] J. Limpert, F. Roser, S. Klingebiel, T. Schreiber, C. Wirth, T. Peschel, R. Eberhardt, and A. Tiinnermann, “The Rising Power of Fiber Lasers and Amplifiers,” IEEE J. Sel. Top. Quantum Electron. 13(3), 537–545 (2007). [CrossRef]

[3] D. Sabourdy, V. Kermène, A. Desfarges-Berthelemot, L. Lefort, A. Barthélémy, C. Mahodaux, and D. Pureur, “Power scaling of fibre lasers with all-fibre interferometric cavity,” Electron. Lett. 38(14), 692–693 (2002). [CrossRef]

[4] T. B. Simpson, A. Gavrielides, and P. Peterson, “Extraction characteristics of a dual fiber compound cavity,” Opt. Express 10(20), 1060–1073 (2002). [PubMed]

[5] V. Kermene, A. Desfarges-Berthelemot, A. Barthelemy, J. Lhermite, and J. Guillot, “Passive co-phasing of fiber lasers for coherent combining,” Fiber Int. Opt. 27(5), 453–465 (2008). [CrossRef]

[6] J. C. Corcoran and F. Durville, “Experimental demonstration of a phase-locked laser array using a self-Fourier cavity,” Appl. Phys. Lett. 86(20), 201118 (2005). [CrossRef]

[7] J. Lhermite, A. Desfarges-Berthelemot, V. Kermène, and A. Barthélémy, “Passive phase locking of an array of four fiber amplifiers by an all-optical feedback loop,” Opt. Lett. 32(13), 1842–1844 (2007). [CrossRef] [PubMed]

[8] H. Bruesselbach, S. Wang, M. Minden, D. C. Jones, and M. Mangir, “Power-scalable phase-compensating fiber-array transceiver for laser communications through the atmosphere,” J. Opt. Soc. Am. B 22(2), 347 (2005). [CrossRef]

[9] C. X. Yu, J. E. Kansky, S. E. J. Shaw, D. V. Murphy, and C. Higgs, “Coherent beam combining of large number of PM fibres in 2-D fibre array,” Electron. Lett. 42(18), 1024 (2006). [CrossRef]

[10] T. M. Shay, V. Benham, J. T. Baker, B. Ward, A. D. Sanchez, M. A. Culpepper, D. Pilkington, J. Spring, D. J. Nelson, and C. A. Lu, “First experimental demonstration of self-synchronous phase locking of an optical array,” Opt. Express 14(25), 12015–12021 (2006). [CrossRef] [PubMed]

[11] C. Bellanger, A. Brignon, J. Colineau, and J. P. Huignard, “Coherent fiber combining by digital holography,” Opt. Lett. 33(24), 2937–2939 (2008). [CrossRef] [PubMed]

[12] I. Hartl, A. Marcinkevicius, H. A. McKay, L. Dong and M. E. Fermann, Advanced Solid State Laser 2009, paper TuA6.

[13] I. M. Vellekoop and A. P. Mosk, “Focusing coherent light through opaque strongly scattering media,” Opt. Lett. 32(16), 2309–2311 (2007). [CrossRef] [PubMed]

[14] E. C. Cheung, J. G. Ho, G. D. Goodno, R. R. Rice, J. Rothenberg, P. Thielen, M. Weber, and M. Wickham, “Diffractive-optics-based beam combination of a phase-locked fiber laser array,” Opt. Lett. 33(4), 354–356 (2008). [CrossRef] [PubMed]

[15] M. A. Vorontsov, G. W. Carhart, and J. C. Ricklin, “Adaptive phase-distortion correction based on parallel gradient-descent optimization,” Opt. Lett. 22(12), 907–909 (1997). [CrossRef] [PubMed]

[16] T. Weyrauch, M. A. Vorontsov, T. G. Bifano, J. A. Hammer, M. Cohen, and G. Cauwenberghs, “Microscale Adaptive Optics: Wave-Front Control with a μ-Mirror Array and a VLSI Stochastic Gradient Descent Controller,” Appl. Opt. 40(24), 4243–4253 (2001). [CrossRef]

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Coherent combining of 49 laser beams from a multiple core optical fiber by a spatial light modulator