Grating-free nth order cascaded Raman fibre lasers using highly Ge-doped low loss fibre

Yucheng Zhao*, Yahua Li, Stuart D. Jackson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

Pumped by a narrow band Nd3+-doped fibre laser, a grating-free three-wavelength Raman fibre laser has been demonstrated. More than 1.3W output power at the third Stokes line of 1230 nm, a bandwidth of 1.8nm and a slope efficiency of ∼28% was measured. A four-wavelength Raman fibre laser was also demonstrated using a different resonator that consisted of a 4% fibre end reflector, a dielectric mirror and a single fibre Bragg grating. This method is simple, versatile and cheap compared with conventional methods employing fibre Bragg gratings used to resonate all Stokes wavelengths.

Original languageEnglish
Pages (from-to)4053-4058
Number of pages6
JournalOptics Express
Volume12
Issue number17
DOIs
Publication statusPublished - 2004
Externally publishedYes

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