A diode pumped Yb3+ DFB fibre laser comprising a single 10 cm Bragg grating with a permanent π/2 phase shift has been demonstrated. The DFB laser operates at 1047 nm with an in-fibre pump threshold < 230 µW and a 44% one-way slope efficiency. DFB operation was demonstrated using the heat-scan technique.
10 cm Yb3+ DFB fibre laser with permanent phase shifted grating
1995-06-08
2 pages
Article (Journal)
English
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