Real time noise and wavelength correlations in octave-spanning supercontinuum generation

Abstract : We use dispersive Fourier transformation to measure shotto- shot spectral instabilities in femtosecond supercontinuum generation. We study both the onset phase of supercontinuum generation with distinct dispersive wave generation, as well as a highly-unstable supercontinuum regime spanning an octave in bandwidth. Wavelength correlation maps allow interactions between separated spectral components to be identified, even when such interactions are not apparent in shot-to-shot or average measurements. Experimental results are interpreted using numerical simulations. Our results show the clear advantages of dispersive Fourier transformation for studying spectral noise during supercontinuum generation.
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Optics Express, Optical Society of America, 2013, 21, pp.18452 - 18460. 〈10.1364/OE.21.018452〉
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Thomas Godin, Benjamin Wetzel, Thibaut Sylvestre, Laurent Larger, A. Kudlinski, et al.. Real time noise and wavelength correlations in octave-spanning supercontinuum generation. Optics Express, Optical Society of America, 2013, 21, pp.18452 - 18460. 〈10.1364/OE.21.018452〉. 〈hal-00877549〉

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