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Efficient diode-pumped single-frequency erbium:ytterbium fibre laser

By J.T. Kringlebotn, P.R. Morkel, L. Reekie, J.L. Archambault and D.N. Payne


We report a 7.6-mW single-frequency fiber laser operating at 1545 nm, using for the first time an Er3+:Yb3+ doped fiber and a fiber grating output coupler. The laser did not exhibit self-pulsation, which is a typical problem in short three-level fiber lasers, and had a relative intensity noise (RIN) level below -145.5 dB/Hz at frequencies above 10 MHz. The linewidth of the laser was limited by the relaxation oscillation sidebands in the optical spectrum and was typically less than 1 MHz

Topics: QC, TK
Year: 1993
OAI identifier: oai:eprints.soton.ac.uk:78264
Provided by: e-Prints Soton

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