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Stretched pulse Yb3+:silica fibre laser

By V. Cautaerts, D.J. Richardson, R. Paschotta and D.C. Hanna


We report what we believe to be the first results on short-pulse generation in Yb3+:silica fiber. By applying the stretched pulse technique in a unidirectional, polarization-switch Yb3+ fiber laser incorporating a prism-based dispersive delay line, we obtain self-start mode locking and 100pJ pulses that can be compressed to give clean chirp-free <100fs pulses. We believe such sources to have great potential for use not only in all-solid-state high-power femtosecond pulse systems based on Yb3+:silica glass but also as seeds for conventional Nd3+:glass amplifier chain

Topics: TK, QC
Year: 1997
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Provided by: e-Prints Soton

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