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Article overview
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Soliton-induced relativistic-scattering and amplification | | E. Rubino
; A. Lotti
; F. Belgiorno
; S.L. Cacciatori
; A. Couairon
; U. Leonhardt
; D. Faccio
; | | Date: |
Thu, 1 Nov 2012 18:54:56 GMT (1812kb,D) | | 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 relativistic 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 relativistic
scattering. | | Source: | arXiv, 1211.0256 | | Services: | Forum | Review | PDF | Favorites | |
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