Cowle, G.J., Payne, D.N. and Reid, D.
Single-frequency travelling-wave erbium-doped fibre loop laser
Electronics Letters, 27, (3), . (doi:10.1049/el:19910148).
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We report a novel erbium-doped fibre laser cavity configuration which produces single-longitudinal-mode operation with less than 10kHz linewidth. The fibre loser operates in a travelling-wave mode which prevents spatial holeburning from occurring. A principal advantage of the configuration is that it allows the precise and stable setting of the lasing wavelength.
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