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首页> 外文会议>Diffractive/Holographic Technologies and Spatial Light Modulators VII >Performance evaluation of gratings applied by genetic algorithm for the real-time optical interconnection
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Performance evaluation of gratings applied by genetic algorithm for the real-time optical interconnection

机译：遗传算法应用于实时光互连的光栅性能评估

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Abstract: In this paper, gratings to apply for the opticalinterconnection are designed using a genetic algorithm(GA) for a robust and efficient schema. The real-timeoptical interconnection system architecture is composedwith LC-SLM, CCD array detector, IBM-PC, He-Ne laser,and Fourier transform lens. A pixelated binary phasegrating is displayed on LC-SLM and could interconnectincoming beams to desired output spots freely byreal-time. So as to adapt a GA for finding nearglobally-cost solutions, a chromosome is coded as abinary integer of length 32 $MUL 32, the stochastictournament method for decreasing the stochasticsampling error is performed, and a single-pointcrossover having 16 $MUL 16 block size is used. Thecharacteristics on the several parameters are analyzedin the desired grating design. Firstly, as the analysisof the effect on the probability of crossover, adesigned grating when the probability of crossover is0.75 has a 74.7$LB@%$RB high diffraction efficiency anda 1.73 $MUL 10$+$MIN@1$/ uniformity quantitatively,where the probability of mutation is 0.001 and thepopulation size is 300. Secondly, on the probability ofmutation, a designed grating when the probability ofmutation is 0.001 has a 74.4$LB@%$RB high efficiencyand a 1.61 $MUL 10$+$MIN@1$/ uniformity quantitatively,where the probability of crossover is 1.0 and thepopulation size is 300. Thirdly, on the populationsize, a designed grating when the population size is300 and the generation is 400 has above 74$LB@%$RBdiffraction efficiency, where the probability ofmutation is 0.001 and the probability of crossover is1.0. !6
机译：摘要：本文使用遗传算法（GA）设计了用于光学互连的光栅，以实现健壮高效的方案。实时光互连系统架构由LC-SLM，CCD阵列检测器，IBM-PC，He-Ne激光器和傅立叶变换透镜组成。像素化的二进制相位光栅显示在LC-SLM上，可以实时将入射光束自由地互连到所需的输出点。为了使GA适用于寻找接近全球成本的解决方案，将一条染色体编码为长度为32 $ MUL 32的二进制整数，执行用于减少随机抽样误差的随机锦标赛方法，并使用块大小为16 $ MUL 16的单点交叉用来。在所需的光栅设计中分析了几个参数的特性。首先，作为对交叉概率的影响分析，设计的交叉概率为0.75时的光栅具有74.7$LB@%$RB的高衍射效率和1.73 $ MUL 10 $ + $ MIN @ 1 $ /均匀度，其中突变的概率为0.001，人口规模为300。其次，在突变的概率上，当突变的概率为0.001时，设计的光栅具有74.4$LB@%$RB的高效率和1.61 $ MUL 10 $ + $ MIN @ 1 $ /均匀度，当交叉概率为1.0且人口规模为300时。第三，在人口规模上，当人口规模为300且世代为400时，设计的光栅具有高于74 $ LB @％$ RB的衍射效率，变异概率为0.001，交叉概率为1.0。 ！6

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