Ge-doped microstructured multicore fiber for customizable supercontinuum generation

Daniele Modotto*, Gabriele Manili, Umberto Minoni, Stefan Wabnitz, Costantino De Angelis, Graham Town, Alessandro Tonello, Vincent Couderc

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


Supercontinuum generation in a multicore fiber in which several uncoupled cores were doped with dissimilar concentrations of germanium was studied experimentally. Germanium doping provided control over the separation between the zero-dispersion wavelength and the 1064-nm wavelength of a Q-switched Nd:YAG pump laser. Supercontinua generated independently in each core of the same piece of fiber displayed clear and repeatable differences due to the influence of germanium doping on refractive index and four-wave mixing. The spectral evolution of the subnanosecond pump pulses injected into the different cores was accurately reproduced by numerical simulations.

Original languageEnglish
Article number6072224
Pages (from-to)1149-1156
Number of pages8
JournalIEEE Photonics Journal
Issue number6
Publication statusPublished - 2011


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