Watt-level short-length holmium-doped ZBLAN fiber lasers at 1.2 μm

Xiushan Zhu, Jie Zong, Kort Wiersma, R. A. Norwood, Narasimha S. Prasad, Michael D. Obland, Arturo Chavez-Pirson, N. Peyghambarian

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


In-band core-pumped Ho3+-doped ZBLAN fiber lasers at the 1.2 μm region were investigated with different gain fiber lengths. A 2.4W1190 nm all-fiber laser with a slope efficiency of 42% was achieved by using a 10 cm long gain fiber pumped at a maximum available 1150 nm pump power of 5.9 W. A 1178 nm all-fiber laser was demonstrated with an output power of 350 mW and a slope efficiency of 6.5%. High Ho3+ doping in ZBLAN is shown to be effective in producing single-frequency fiber lasers and short-length fiber amplifiers immune from stimulated Brillouin scattering.

Original languageEnglish (US)
Pages (from-to)1533-1536
Number of pages4
JournalOptics letters
Issue number6
StatePublished - Mar 15 2014

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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