Paschotta, R., Nilsson, J., Reekie, L., Tropper, A.C. and Hanna, D.C.
Single-frequency ytterbium-doped fibre laser stabilised by spatial hole burning
Optics Letters, 22, (1), . (doi:10.1364/OL.22.000040).
We have exploited spatial hole burning to achieve remarkably stable single-frequency operation and mode-hop-free tuning over 300 free spectral ranges in an ytterbium-doped fiber laser with a sample standing-wave geometry. This approach makes possible stable and narrow-linewidth single-frequency fiber lasers that do not require components such as Faraday isolators, fiber couplers, and Fabry-Perot filters
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