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A novel scheme of optical power equalization based on Fabry-Perot semiconductor optical amplifier (FP-SOA) is proposed. Because of the gain characteristic of FP-SOA, real-time controlling mechanism according to input optical power is aborted in the scheme. The simulations show that 10-dB pulse peak power variation can be clamped in less than 1 dB. The influences of injecting current, pulse periods, and pulse width are discussed. 相似文献
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We propose a novel optical time-to-live (TTL) processing scheme using asymmetric Mech-Zehnder interferometer (AMZI) and Fabry-Perot semiconductor optical amplifier (FP-SOA). AMZI transfers M TTL pulses into M-1 pulses and two residual pulses with 6-dB power difference. FP-SOA enhances the power difference between the M-1 pulses to the residual pulses to more than 10 dB. A numerical model is established for verifying the feasibility of this scheme. 相似文献
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针对定时截尾试验中只有一个失效发生情况下,利用指数分布母体分布函数的凹凸性给出了各检测时刻失效概率的Bayes估计,然后用最小二乘法给出指数分布参数λ的估计,进而得到指数分布可靠度估计。最后将此方法应用于实际例子,所得结果较为稳定。 相似文献
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A novel scheme of label abstraction and erasion based on Fabry-Perot semiconductor optical amplifier
A novel label abstraction and erasion scheme based on a Fabry-Perot semiconductor optical amplifier (FP-SOA) is proposed for all-optical separation of the bit-serial label from payload and its performance is investigated by simulation. Important features of this scheme are that it does not make use of any high-speed electronics and only one device is needed. Using this scheme, label abstraction and erasion can be realized with the extinction ratio of 9.72 and 7.05 dB, respectively. 相似文献
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