Abstract

A broadband superfluorescent source based on 2m long Ho-doped fiber and a 1150nm high-power Raman fiber laser is reported. The optical spectrum of the superfluorescent source spans the range from 1930 to 2110nm. The maximum output power is 1.5W, and the spectral full width at half-maximum is about 30nm. Two peaks are generated in an optical spectrum when output power of the Ho-doped superfluorescent source is beyond ∼200 mW.

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