Efficient frequency shifting of dispersive waves at solitons

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We demonstrate frequency redshifting and blueshifting of dispersive waves at group velocity horizons of solitons in fibers. The tunnelling probability of waves that cannot propagate through the fiber-optical solitons (horizons) is measured and described analytically. For shifts up to two times the soliton spectral width, the waves frequency shift with probability exceeding 90% rather than tunnelling through the soliton in our experiment. We also discuss key features of fiber optical Cherenkov radiation such as high efficiency and large bandwidth within this framework. (C) 2012 Optical Society of America

Original languageEnglish
Pages (from-to)5538-5546
Number of pages9
JournalOptics Express
Issue number5
Publication statusPublished - 27 Feb 2012


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