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首页> 外文期刊>Optics Letters >Actively phase-controlled coupling between plasmonic waveguides via in-between gain-assisted nanoresonator: nanoscale optical logic gates
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Actively phase-controlled coupling between plasmonic waveguides via in-between gain-assisted nanoresonator: nanoscale optical logic gates

机译：经由增益辅助纳米谐振器之间的等离激元波导之间的主动相位控制耦合：纳米级光学逻辑门

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The development of nanoscale optical logic gates has attracted immense attention due to increasing demand for ultrahigh-speed and energy-efficient optical computing and data processing, however, suffers from the difficulty in precise control of phase difference of the two optical signals. We propose a novel conception of nanoscale optical logic gates based on actively phase-controlled coupling between two plasmonic waveguides via an in-between gain-assisted nanoresonator. Precise control of phase difference between the two plasmonic signals can be performed by manipulating pumping rate at an appropriate frequency detuning, enabling a high contrast between the output logic states "1" and "0." Without modification of the structural parameters, different logic functions can be provided. This active nanoscale optical logic device is expected to be quite energy-efficient with ideally low energy consumption on the order of 0.1 fJ/bit. Analytical calculations and numerical experiments demonstrate the validity of the proposed concept. (C) 2016 Optical Society of America
机译：纳米级光学逻辑门的发展由于对超高速和高能效的光学计算和数据处理的需求的增长而引起了极大的关注，但是，这存在着难以精确控制两个光学信号的相位差的麻烦。我们提出了一种新颖的概念，即基于两个等离子波导管之间通过一个增益辅助纳米谐振器进行主动相控耦合的纳米级光逻辑门。可以通过在适当的频率失谐下操纵泵浦速率来精确控制两个等离激元信号之间的相位差，从而在输出逻辑状态“ 1”和“ 0”之间实现高对比度。在不修改结构参数的情况下，可以提供不同的逻辑功能。期望该有源纳米级光学逻辑器件具有相当高的能源效率，理想的低能耗约为0.1 fJ / bit。分析计算和数值实验证明了提出的概念的有效性。 （C）2016美国眼镜学会

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