Erbium-ytterbium fibre laser emitting more than 13 W of power in 1.55 μm region Gurram, Srikanth ; Kuruvilla, Antony ; Singh, Rajpal ; Ekka, Blacius ; Upadhyay, B. N. ; Bindra, K. S. ; Oak, S. M. Abstract Publication: Pramana Pub Date: January 2014 DOI: 10.1007/s12043-013-0653-x Bibcode: 2014Prama..82..143G