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Simulation of wavelength conversion based on integrated saturable absorber

机译:基于集成式饱和吸收器的波长转换仿真

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摘要

The performance of wavelength conversion relying on a mixed dye saturable absorber inside a suited laser cavity is analyzed. An improved theoretical model that considers the absorption coefficient (beta)_(sr) of the saturable absorber is developed. The output extinction ratio, signal-to-noise ratio (SNR), and bit-error-rate (BER) dependence of the converted signal light on the input pump power, probe power, and absorption coefficient (beta)_(sr) are investigated on the basis of the improved rate equations. The simulation results show that the extinction ratio and SNR become larger when the input pump power increases, and probe power and absorption coefficient (beta)_(sr) decrease. The BER is proved to be about 10~(-12) when the pump signal power is larger than -7 dBm, and the probe power and the absorption coefficient are less than -4dBm and 0.5, respectively.
机译:分析了在合适的激光腔内依靠混合染料可饱和吸收剂的波长转换性能。提出了一种改进的理论模型,该模型考虑了可饱和吸收体的吸收系数β_(sr)。转换后的信号光对输入泵浦功率,探头功率和吸收系数β_(sr)的输出消光比,信噪比(SNR)和误码率(BER)依赖性为在改进的速率方程的基础上进行了研究。仿真结果表明,当输入泵浦功率增加时,消光比和SNR变大,而探针功率和吸收系数β_(sr)减小。当泵浦信号功率大于-7 dBm时,BER约为10〜(-12),探头功率和吸收系数分别小于-4dBm和0.5。

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