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

Jérôme Lhermite | Zendy; Eric Suran | Zendy; Vincent Kermène | Zendy; F. Louradour | Zendy; Agnès DesfargesBerthelemot | Zendy; A. Barthélémy | Zendy

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

Author(s) -

Jérôme Lhermite,

Eric Suran,

Vincent Kermène,

F. Louradour,

Agnès DesfargesBerthelemot,

A. Barthélémy

Publication year - 2010

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.18.004783

Subject(s) - optics , spatial light modulator , optical modulator , materials science , fiber laser , core (optical fiber) , optical fiber , phase modulation , phased array optics , optoelectronics , physics , phased array , phase noise , telecommunications , computer science , antenna (radio)

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.

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