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Design of Raman-parametric fiber amplifier for wavelength division multiplex transmission system |
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| Authors: | Xiaohong Jiang Chun Jiang Xiaoming Zhang |
| Institution: | State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240 |
| Abstract: | We optimize the novel configuration of a hybrid fiber amplifier-Raman assisted-fiber-based optical parametric amplifier (R-FOPA), in which the parametric gain and Raman gain profiles are combined to achieve a flat composite gain profile.The pump powers and the fiber length in the hybrid amplifier are effectively optimized by genetic algorithm (GA) scheme.The optimization results indicate that the R-FOPA can achieve a 200-nm flat bandwidth spectrum with the gain of 20 dB and ripple of less than 4 dB. |
| Keywords: | transmission system wavelength division multiplex fiber amplifier optimization results bandwidth spectrum ripple scheme pump powers fiber length hybrid genetic algorithm parametric Raman profiles combined flat composite |
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