Abstract:
:Solitons are of fundamental importance in photonics due to applications in optical data transmission and also as a tool for investigating novel phenomena ranging from light generation at new frequencies and wave-trapping to rogue waves. Solitons are also moving scatterers: they generate refractive index perturbations moving at the speed of light. Here we found that such perturbations scatter light in an unusual way: they amplify light by the mixing of positive and negative frequencies, as we describe using a first Born approximation and numerical simulations. The simplest scenario in which these effects may be observed is within the initial stages of optical soliton propagation: a steep shock front develops that may efficiently scatter a second, weaker probe pulse into relatively intense positive and negative frequency modes with amplification at the expense of the soliton. Our results show a novel all-optical amplification scheme that relies on soliton induced scattering.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Rubino E,Lotti A,Belgiorno F,Cacciatori SL,Couairon A,Leonhardt U,Faccio Ddoi
10.1038/srep00932subject
Has Abstractpub_date
2012-01-01 00:00:00pages
932issn
2045-2322journal_volume
2pub_type
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