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Universal Linear-Optical Logic Gate with Maximal Intensity Contrast Ratios
ACS Photonics ( IF 6.5 ) Pub Date : 2018-01-15 00:00:00 , DOI: 10.1021/acsphotonics.7b01566 Changnan Peng , Jiayu Li , Huimin Liao , Zhi Li , Chengwei Sun , Jianjun Chen 1 , Qihuang Gong 1
ACS Photonics ( IF 6.5 ) Pub Date : 2018-01-15 00:00:00 , DOI: 10.1021/acsphotonics.7b01566 Changnan Peng , Jiayu Li , Huimin Liao , Zhi Li , Chengwei Sun , Jianjun Chen 1 , Qihuang Gong 1
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Linear-optical logic gates have the potential to be the bases of the next-generation information technology (IT) because of the low power consumption and rapid response. This study proposes a general theoretical model to obtain the optimal solutions for linear-optical logic gates. All common logic gates (AND, OR, NOT, NAND, NOR, XOR, and XNOR) are experimentally demonstrated with one single sample structure based on ultracompact plasmonic waveguides. The measured intensity contrast ratio between the output-logic “1” and “0” states reaches 28 dB for the OR gate and 9.4 dB for the AND gate, thereby approaching the theoretical maximum of infinity and 9.5 dB, respectively. The proposed logic gates provide uniform output intensities for identical output logics when the input logics are different. The measured intensity discrepancies are below 1% for the three output-logic “1” states of the OR gate and the three output-logic “0” states of the AND gate. This phenomenon is favored in practical applications and the cascading of logic gates. The proposed universal linear-optical logic gate with maximal intensity contrast ratios may find important future applications in the field of IT.
中文翻译：
具有最大强度对比度的通用线性光学逻辑门
由于低功耗和快速响应，线性光学逻辑门有可能成为下一代信息技术（IT）的基础。这项研究提出了一个通用的理论模型，以获得线性光学逻辑门的最佳解决方案。所有常见的逻辑门（与，或，非，与非，与非，异或，异或和）均通过基于超紧凑型等离子波导的单个样本结构进行了实验验证。对于或门，在输出逻辑“ 1”和“ 0”状态之间测得的强度对比度达到28 dB，而与门达到9.4 dB，从而分别接近无穷大和9.5 dB的理论最大值。当输入逻辑不同时，提出的逻辑门为相同的输出逻辑提供统一的输出强度。对于“或”门的三个输出逻辑“ 1”状态和“与”门的三个输出逻辑“ 0”状态，测得的强度差异低于1％。这种现象在实际应用和逻辑门级联中是有利的。所提出的具有最大强度对比度的通用线性光学逻辑门可能会在IT领域中找到重要的未来应用。
更新日期：2018-01-15
中文翻译：
具有最大强度对比度的通用线性光学逻辑门
由于低功耗和快速响应，线性光学逻辑门有可能成为下一代信息技术（IT）的基础。这项研究提出了一个通用的理论模型，以获得线性光学逻辑门的最佳解决方案。所有常见的逻辑门（与，或，非，与非，与非，异或，异或和）均通过基于超紧凑型等离子波导的单个样本结构进行了实验验证。对于或门，在输出逻辑“ 1”和“ 0”状态之间测得的强度对比度达到28 dB，而与门达到9.4 dB，从而分别接近无穷大和9.5 dB的理论最大值。当输入逻辑不同时，提出的逻辑门为相同的输出逻辑提供统一的输出强度。对于“或”门的三个输出逻辑“ 1”状态和“与”门的三个输出逻辑“ 0”状态，测得的强度差异低于1％。这种现象在实际应用和逻辑门级联中是有利的。所提出的具有最大强度对比度的通用线性光学逻辑门可能会在IT领域中找到重要的未来应用。
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