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18 dB cw Raman on-off Gain in Silicon-On-Insulator Nanowire Waveguide Laser Amplifiers

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Abstract

Optical cw Raman gain of 18.4dB in SOI-nano-rib waveguides was obtained at 45mW internal pump power. Nonlinear on-off-gain increase at about 30mW pump power indicates that the Raman amplifier approaches the lasing threshold.

© 2015 Optical Society of America

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