Nonlinear combining of laser beams

We propose to combine multiple laser beams into a single diffraction-limited beam by beam self-focusing (collapse) in a Kerr medium. Beams with total power above critical are first combined in the near field and then propagated in the optical fiber/waveguide with Kerr nonlinearity. Random fluctuatio...

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Bibliographic Details
Published in:Optics letters 2014-06, Vol.39 (12), p.3429-3432
Main Authors: Lushnikov, Pavel M, Vladimirova, Natalia
Format: Article
Language:English
Subjects:
Beams (radiation)
Collapse
Diffraction
Fluctuation
Laser beams
Near fields
Nonlinearity
Optical fibers
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Summary:We propose to combine multiple laser beams into a single diffraction-limited beam by beam self-focusing (collapse) in a Kerr medium. Beams with total power above critical are first combined in the near field and then propagated in the optical fiber/waveguide with Kerr nonlinearity. Random fluctuations during propagation eventually trigger a strong self-focusing event and produce a diffraction-limited beam carrying the critical power.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.39.003429