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Coherent supercontinuum generation in a silicon photonic wire in the telecommunication wavelength range

par Leo, François ;Kuyken, Bart;Roelkens, Gunther;Gorza, Simon-Pierre ;Coen, Stéphane
Référence Optics Letters, 40, 1, page (123-126)
Publication Publié, 2015-01

Article révisé par les pairs

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Résumé :

We demonstrate a fully coherent supercontinuum spectrum spanning 500 nm from a silicon-on-insulator photonic wire waveguide pumped at 1575 nm wavelength. An excellent agreement with numerical simulations is reported. The simulations also show that a high level of two-photon absorption can essentially enforce the coherence of the spectral broadening process irrespective of the pump pulse duration.