Abstract
In this paper we theoretically study a novel approach for soliton-induced supercontinuum generation based on the application of metallic dielectric-coated hollow waveguides. The low loss of such waveguides permits the use of smaller diameters with enhanced dispersion control and enables the generation of two-octave-broad spectra with unprecedentedly high spectral peak power densities up to five orders of magnitude larger than in standard PCFs with high coherence. The predicted high coherence of the supercontinuum is related to the coherent seed components formed by the abruptly rising plasma density. We also predict that high-power supercontinua in the vacuum ultraviolet can be generated in such waveguides.
Highlights
In this Letter we theoretically study a novel approach for soliton-induced supercontinuum generation based on the application of metallic dielectric-coated hollow waveguides
Supercontinuum generation in photonic crystal fibres (PCF) is based on an effect for spectral broadening [4] which differ from the main previously known mechanism for spectral broadening by self-phase modulation
It is connected with the soliton dynamics in the anomalous dispersion region of the PCFs
Summary
In this Letter we theoretically study a novel approach for soliton-induced supercontinuum generation based on the application of metallic dielectric-coated hollow waveguides. A milestone on the way towards a coherent whitelight high-brightness source (supercontinuum, SC) was achieved by the application of photonic crystal fibres (PCF) [1, 2]. In this Letter we propose and study a novel approach for supercontinuum generation in metallic hollow waveguides coated with a dielectric.
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