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We provide an overview of our recent work on the shaping and stability of optical continua in the long pulse regime. Fibers with normal group-velocity dispersion at all-wavelengths are shown to allow for highly coherent continua that can be nonlinearly shaped using appropriate initial conditions. In contrast, supercontinua generated in the anomalous dispersion regime are shown to exhibit large fluctuations...
Using second-order coherence theory of nonstationary light we show that supercontinuum can be split into quasi-coherent and quasi-stationary parts. Our results opens the route for a universal definition of the coherence degree for broadband sources.
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