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Intrinsic pulse compression by cavity length detuning in synchronously pumped optical parametric oscillators (SPOPO) is well known and has already been studied [1]. This phenomenon mainly depends on the group velocities difference (GVD) between pump, signal and idler waves. The main drawback of this pulse compression technique is that it is strongly linked to material dispersion and thus cannot be...
We report on the first experimental demonstration of pulse length compression in a synchronously pumped optical parametric oscillator by use of an intracavity ultrafast graphene saturable absorber.
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