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8 January 2008 Compact, all-fibre, linearly polarized, single-mode Ytterbium doped fibre laser utilizing point-by-point inscribed intra-core fibre Bragg gratings
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Abstract
We report on the development of a compact, all fibre laser source operating at 1 μm with a linearly polarized (extinction ratio > 20 dB) and very narrow linewidth (12 pm) output. The unique cavity design included a fibre Bragg grating high reflector and output coupler, inscribed via the point-by-point method directly into the active core. A single splice within the cavity between the fibre incorporating the high reflector and the output coupler permitted re-orientation of the stressors at an angle of 90 degrees to each other, which produced a single lasing polarisation. This simple technique removed the need for a more complicated and expensive polarization controller.
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Nemanja Jovanovic, Graham D. Marshall, Alexander Fuerbach, Graham Town, Michael J. Withford, Shayne Bennetts, and David G. Lancaster "Compact, all-fibre, linearly polarized, single-mode Ytterbium doped fibre laser utilizing point-by-point inscribed intra-core fibre Bragg gratings", Proc. SPIE 6801, Photonics: Design, Technology, and Packaging III, 68010O (8 January 2008); https://doi.org/10.1117/12.759300
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