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Four-fold increase of the mode instability threshold with a multi-core photonic crystal fiber

: Otto, Hans-Jürgen; Klenke, Arno; Jauregui, Cesar; Limpert, Jens; Tünnermann, Andreas


Optical Society of America -OSA-, Washington/D.C.:
Frontiers in Optics, FiO 2013 : 6.-10.10.2013, Orlando, Florida United States
Washington, DC: OSA, 2013 (OSA Conference Papers)
ISBN: 978-1-55752-988-6
Paper FW6A.5
Conference "Frontiers in Optics" (FiO) <2013, Orlando/Fla.>
Conference Paper
Fraunhofer IOF ()

We present a four-core Yb-doped fiber that exhibits a mode instability threshold of 536W, which is about four times the threshold of a single core. This fiber design shows a route to circumvent mode instabilities.