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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 33, Iss. 24 — Dec. 15, 2008
  • pp: 2937–2939

Coherent fiber combining by digital holography

C. Bellanger, A. Brignon, J. Colineau, and J. P. Huignard  »View Author Affiliations

Optics Letters, Vol. 33, Issue 24, pp. 2937-2939 (2008)

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We present an original technique for coherent beam combining of an array of fiber amplifiers based on self-adaptive digital holography. In this method, the phase errors between the fibers of the array are compensated by using the diffracted phase-conjugated 1 order of a digital hologram. The proposed method is compatible with a large number of fibers and simply implemented with a CCD detector matrix and a spatial light modulator. This concept is analyzed and experimentally demonstrated with three polarization-maintaining passive fibers at 1.06 μ m .

© 2008 Optical Society of America

OCIS Codes
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
(090.1995) Holography : Digital holography
(140.3298) Lasers and laser optics : Laser beam combining

ToC Category:

Original Manuscript: September 18, 2008
Revised Manuscript: October 24, 2008
Manuscript Accepted: October 30, 2008
Published: December 4, 2008

C. Bellanger, A. Brignon, J. Colineau, and J. P. Huignard, "Coherent fiber combining by digital holography," Opt. Lett. 33, 2937-2939 (2008)

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