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Advantage of Inner-Grating-Multi-mode Laser (iGM-laser) for SBS Reduction in co-propagating Raman amplifier

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Abstract

We demonstrated the advantage of inner-grating-multi-mode (iGM) lasers for suppressing Stimulated-Brillouin-scattering (SBS) in comparison with normal single-mode DFB lasers. We found that iGM laser with over 18 longitudinal-modes successfully reduces SBS down to Rayleigh-scattering level.

© 2002 Optical Society of America

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