23 November 2009 Optimal design of flat-gain and flat-noise wide-band fiber Raman amplifiers
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We theoretically analyze the influence of the forward pump lights on the flatness of gain and noise figure of bidirectional pumped fiber Raman amplifier and find a simple method to keep the flatness of gain and decrease noise figure at the same time through keeping the total integrals of forward and backward pump lights.And utilizing short wavelength lights as forward pump lights can suppress stimulated Raman scattering interaction between pump lights and get more reasonable power allocation of the pump lights.
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Lina Yu, Lina Yu, Yanbiao Liao, Yanbiao Liao, Min Zhang, Min Zhang, Shurong Lai, Shurong Lai, } "Optimal design of flat-gain and flat-noise wide-band fiber Raman amplifiers", Proc. SPIE 7508, 2009 International Conference on Optical Instruments and Technology: Advanced Sensor Technologies and Applications, 75081T (23 November 2009); doi: 10.1117/12.839935; https://doi.org/10.1117/12.839935

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