Efficient frequency shifting of dispersive waves at solitons

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 s...

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Bibliographic Details
Published in:Optics express 2012-02, Vol.20 (5), p.5538-5546
Main Authors: Choudhary, Amol, König, Friedrich
Format: Article
Language:English
Subjects:
Computer Simulation
Fiber Optic Technology
Light
Models, Theoretical
Refractometry - methods
Scattering, Radiation
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Summary: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.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.20.005538