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This work explores the frequency conversion and generation of short pulses with an optical parametric oscillator based on micro-structured fibers. Depending on the operation regime, the optical cavity can either behave as a normal-dispersion cavity delivering linearly chirped pulses, which were externally compressed down to only 26 fs, or as a dispersion-managed oscillator, which directly delivered compressed pulses with a pulse duration of only 39 fs.
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Gottschall et al. (2017) studied this question.
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