Passive phase locking of an array of four fiber amplifiers by an all-optical feedback loop

We report the passive phase locking of an array of four fiber amplifiers in a unidirectional ring cavity. The feedback loop consists of a single-mode fiber that filters intracavity the far-field pattern of the four emitted beams. The pointing of the laser output can be managed by the intracavity fil...

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Bibliographic Details
Published in:Optics letters 2007-07, Vol.32 (13), p.1842-1844
Main Authors: LHERMITE, Jérome, DESFARGES-BERTHELEMOT, Agnès, KERMENE, Vincent, BARTHELEMY, Alain
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fiber lasers
Fourier optics
Fundamental areas of phenomenology (including applications)
Imaging and optical processing
Laser optical systems: design and operation
Lasers
Optics
Physics
Resonators, cavities, amplifiers, arrays, and rings
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Summary:We report the passive phase locking of an array of four fiber amplifiers in a unidirectional ring cavity. The feedback loop consists of a single-mode fiber that filters intracavity the far-field pattern of the four emitted beams. The pointing of the laser output can be managed by the intracavity filtering.
ISSN:0146-9592
1539-4794
DOI:10.1364/ol.32.001842