Cheung C Y, Ghassemlooy Z, Swift G
Opt Lett. 1999 Dec 15;24(24):1817-9. doi: 10.1364/ol.24.001817.
On the basis of a previously derived mathematical model, the power penalty associated with a nonlinear optical loop mirror (NOLM) demultiplexer was calculated, with timing jitter noise, bit-to-bit cross talk, and channel cross talk taken into consideration. Simulation results show that a 3-dBm improvement in the receiver sensitivity at a bit error rate of 10(-9) can be achieved by choice of the appropriate walk-off time between the control and the signal pulses within the NOLM demultiplexer.
基于先前推导的数学模型，计算了与非线性光学环镜（NOLM）解复用器相关的功率代价，并考虑了定时抖动噪声、比特间串扰和信道串扰。仿真结果表明，通过选择NOLM解复用器中控制脉冲和信号脉冲之间合适的走离时间，在误码率为10^(-9)时，接收机灵敏度可提高3 dBm。
