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Communication Dans Un Congrès Année : 2018

Supercontinuum generation and intermodal four-wave mixing in a step-index few-mode fibre

Résumé

We demonstrate broadband supercontinuum generation from 560 nm up to 2350 nm by coupling a Q-switched picosecond microchip laser at 1064 nm into a 15 μm-core step-index germanium-doped silica fiber, designed to support five spatial modes at 1064 nm. It is further shown that multiple cascaded intermodal four-wave mixing and Raman processes take place in the fiber with large frequency detuning up to 150 THz. The multimode properties of this fiber yield a number of intermodal nonlinear coupling terms and the parametric sideband wavelengths have been obtained from the phasematching condition for intermodal four-wave mixing.
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Dates et versions

hal-02300661 , version 1 (29-09-2019)

Identifiants

  • HAL Id : hal-02300661 , version 1

Citer

Solveig Perret, Gil Fanjoux, Lionel Bigot, Julien Fatome, Guy Millot, et al.. Supercontinuum generation and intermodal four-wave mixing in a step-index few-mode fibre. SPIE Photonics Europe, Apr 2018, Strasbourg, France. ⟨hal-02300661⟩
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