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首页> 外文期刊>Optical and quantum electronics >Optimization of ultrafast reverse saturable to saturable absorption transition in Ru dioxolene complex for all-optical logic applications
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Optimization of ultrafast reverse saturable to saturable absorption transition in Ru dioxolene complex for all-optical logic applications

机译：用于全光逻辑应用的Ru Dioxolene配合物中超快反向可饱和至可饱和吸收跃迁的优化

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A detailed theoretical analysis of reverse saturable absorption (RSA) to saturable absorption (SA) transition has been presented in Ru complex [{Ru (bipy)_2}_2L][PF_6], with picosecond laser pulses at 532 nm wavelength. Interestingly, it is shown that an increase in pulse intensity leads to transition from RSA to SA, with increased contrast, due to strong excited-state absorption. Theoretical results are in good agreement with reported experimental results. The effect of pulse intensity, pulse width, frequency and concentration has been studied to optimize the RSA to SA transition, which has been used to design all-optical picosecond NOT, AND, OR, and the universal NAND and NOR logic gates. The designs are the first application of Ru dioxolene complex based all-optical logic gates with picosecond switch off/on time. These results show the potential of transition-metal complexes for photonic applications.
机译：在Ru络合物[{Ru（bipy）_2} _2L] [PF_6]中，以532 nm波长的皮秒激光脉冲，对反向饱和吸收（RSA）到饱和吸收（SA）跃迁进行了详细的理论分析。有趣的是，由于强烈的激发态吸收，显示出脉冲强度的增加导致从RSA到SA的过渡，对比度增加。理论结果与实验结果吻合良好。已经研究了脉冲强度，脉冲宽度，频率和集中度的影响，以优化从RSA到SA的过渡，该过渡已用于设计全光学皮秒的NOT，AND，OR以及通用NAND和NOR逻辑门。该设计是基于Ru二氧戊烯配合物的全光学逻辑门的首个应用，具有皮秒级的开关时间。这些结果表明过渡金属配合物在光子应用中的潜力。

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