Theoretical analysis of the mode coupling induced by heat of large-pitch micro-structured fibers<xref ref-type="fn" rid="cpb141645fn1">*</xref>

Theoretical analysis of the mode coupling induced by heat of large-pitch micro-structured fibers*

Zhang Hai-Tao^a)†, Chen Dan^b), Hao Jie^a), Yan Ping^a), Gong Ma-Li^a)‡

Schematic diagram of the fiber amplifier.