Ge-Doped Microstructured Multicore Fiber for Customizable Supercontinuum Generation

Year: 2011

Authors: Modotto D., Manili G., Minoni U., Wabnitz S., De Angelis C., Town G., Tonello A., Couderc V.

Autors Affiliation: Dipartimento di Ingegneria dell’Informazione, Universita` degli Studi di Brescia, 25123 Brescia, Italy; Department of Electronic Engineering, Macquarie University, Sydney, NSW 2109, Australia; XLIM, Universite´ de Limoges, UMR CNRS 6172, 87060 Limoges, France

Abstract: 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.

Journal/Review: IEEE PHOTONICS JOURNAL

Volume: 3 (6)      Pages from: 1149  to: 1156

KeyWords: Optical fibers
DOI: 10.1109/JPHOT.2011.2175211

Citations: 12
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