Two interferometric laser cavities are proposed for efficient combining of two fibre lasers. A 3 dB gain in power by coherent coupling of two identical erbium-doped fibre lasers is demonstrated. Scaling in power is envisaged through cascading of a coherent combination of elementary lasers
Published in:
Electronics Letters
(Volume:38
,
Issue:
14
)
Date of Publication: 4 Jul 2002